Interweave Implementation Guide
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Interweave Implementation Guide - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the STU3 profiles here.

Resource Profile: InterweaveQuestionnaireResponse - XML Profile

Draft as of 2024-07-15

XML representation of the Interweave-QuestionnaireResponse resource profile.

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<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="Interweave-QuestionnaireResponse"/>
  <url
       value="https://fhir.interweavedigital.nhs.uk/R4/StructureDefinition/Interweave-QuestionnaireResponse"/>
  <version value="0.0.1"/>
  <name value="InterweaveQuestionnaireResponse"/>
  <title value="InterweaveQuestionnaireResponse"/>
  <status value="draft"/>
  <date value="2024-07-15"/>
  <publisher value="Interweave Publisher"/>
  <contact>
    <name value="Interweave Publisher"/>
    <telecom>
      <system value="url"/>
      <value value="https://fhir.interweavedigital.com/yhcr-publisher"/>
    </telecom>
  </contact>
  <description
               value="Interweave QuestionnaireResponse resource profile - DRAFT."/>
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166"/>
      <code value="GB"/>
      <display value="United Kingdom of Great Britain and Northern Ireland"/>
    </coding>
  </jurisdiction>
  <fhirVersion value="4.0.1"/>
  <mapping>
    <identity value="workflow"/>
    <uri value="http://hl7.org/fhir/workflow"/>
    <name value="Workflow Pattern"/>
  </mapping>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM Mapping"/>
  </mapping>
  <mapping>
    <identity value="w5"/>
    <uri value="http://hl7.org/fhir/fivews"/>
    <name value="FiveWs Pattern Mapping"/>
  </mapping>
  <kind value="resource"/>
  <abstract value="false"/>
  <type value="QuestionnaireResponse"/>
  <baseDefinition
                  value="http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse"/>
  <derivation value="constraint"/>
  <snapshot>
    <element id="QuestionnaireResponse">
      <path value="QuestionnaireResponse"/>
      <short value="A structured set of questions and their answers"/>
      <definition
                  value="A structured set of questions and their answers. The questions are ordered and grouped into coherent subsets, corresponding to the structure of the grouping of the questionnaire being responded to."/>
      <comment
               value="The QuestionnaireResponse contains enough information about the questions asked and their organization that it can be interpreted somewhat independently from the Questionnaire it is based on.  I.e. You don't need access to the Questionnaire in order to extract basic information from a QuestionnaireResponse."/>
      <alias value="Form"/>
      <alias value="QuestionnaireAnswers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="QuestionnaireResponse"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <constraint>
        <key value="dom-2"/>
        <severity value="error"/>
        <human
               value="If the resource is contained in another resource, it SHALL NOT contain nested Resources"/>
        <expression value="contained.contained.empty()"/>
        <xpath value="not(parent::f:contained and f:contained)"/>
        <source
                value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
      </constraint>
      <constraint>
        <key value="dom-3"/>
        <severity value="error"/>
        <human
               value="If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource"/>
        <expression
                    value="contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()"/>
        <xpath
               value="not(exists(for $id in f:contained/*/f:id/@value return $contained[not(parent::*/descendant::f:reference/@value=concat('#', $contained/*/id/@value) or descendant::f:reference[@value='#'])]))"/>
        <source
                value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
      </constraint>
      <constraint>
        <key value="dom-4"/>
        <severity value="error"/>
        <human
               value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated"/>
        <expression
                    value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()"/>
        <xpath
               value="not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))"/>
        <source
                value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
      </constraint>
      <constraint>
        <key value="dom-5"/>
        <severity value="error"/>
        <human
               value="If a resource is contained in another resource, it SHALL NOT have a security label"/>
        <expression value="contained.meta.security.empty()"/>
        <xpath value="not(exists(f:contained/*/f:meta/f:security))"/>
        <source
                value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
      </constraint>
      <constraint>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice">
          <valueBoolean value="true"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation">
          <valueMarkdown
                         value="When a resource has no narrative, only systems that fully understand the data can display the resource to a human safely. Including a human readable representation in the resource makes for a much more robust eco-system and cheaper handling of resources by intermediary systems. Some ecosystems restrict distribution of resources to only those systems that do fully understand the resources, and as a consequence implementers may believe that the narrative is superfluous. However experience shows that such eco-systems often open up to new participants over time."/>
        </extension>
        <key value="dom-6"/>
        <severity value="warning"/>
        <human
               value="A resource should have narrative for robust management"/>
        <expression value="text.`div`.exists()"/>
        <xpath value="exists(f:text/h:div)"/>
        <source
                value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="Entity. Role, or Act"/>
      </mapping>
      <mapping>
        <identity value="workflow"/>
        <map value="Event"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="Observation[moodCode=EVN]"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.id">
      <path value="QuestionnaireResponse.id"/>
      <short value="Logical id of this artifact"/>
      <definition
                  value="The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes."/>
      <comment
               value="The only time that a resource does not have an id is when it is being submitted to the server using a create operation."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="id"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta">
      <path value="QuestionnaireResponse.meta"/>
      <short value="Metadata about the resource"/>
      <definition
                  value="The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.meta"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Meta"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.id">
      <path value="QuestionnaireResponse.meta.id"/>
      <representation value="xmlAttr"/>
      <short value="Unique id for inter-element referencing"/>
      <definition
                  value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.extension">
      <path value="QuestionnaireResponse.meta.extension"/>
      <slicing>
        <discriminator>
          <type value="value"/>
          <path value="url"/>
        </discriminator>
        <description value="Extensions are always sliced by (at least) url"/>
        <rules value="open"/>
      </slicing>
      <short value="Additional content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.versionId">
      <path value="QuestionnaireResponse.meta.versionId"/>
      <short value="Version specific identifier"/>
      <definition
                  value="The version specific identifier, as it appears in the version portion of the URL. This value changes when the resource is created, updated, or deleted."/>
      <comment
               value="The server assigns this value, and ignores what the client specifies, except in the case that the server is imposing version integrity on updates/deletes."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Meta.versionId"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.lastUpdated">
      <path value="QuestionnaireResponse.meta.lastUpdated"/>
      <short
             value="MANDATORY except in Contained Resources. When the resource version last changed."/>
      <definition
                  value="When the resource last changed - e.g. when the version changed."/>
      <comment
               value="This value is always populated except when the resource is first being created. The server / resource manager sets this value; what a client provides is irrelevant. This is equivalent to the HTTP Last-Modified and SHOULD have the same value on a [read](http://hl7.org/fhir/R4/http.html#read) interaction."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Meta.lastUpdated"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="instant"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.source">
      <path value="QuestionnaireResponse.meta.source"/>
      <short value="Identifies where the resource comes from"/>
      <definition
                  value="A uri that identifies the source system of the resource. This provides a minimal amount of [Provenance](provenance.html#) information that can be used to track or differentiate the source of information in the resource. The source may identify another FHIR server, document, message, database, etc."/>
      <comment
               value="In the provenance resource, this corresponds to Provenance.entity.what[x]. The exact use of the source (and the implied Provenance.entity.role) is left to implementer discretion. Only one nominated source is allowed; for additional provenance details, a full Provenance resource should be used. 

This element can be used to indicate where the current master source of a resource that has a canonical URL if the resource is no longer hosted at the canonical URL."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Meta.source"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.profile">
      <path value="QuestionnaireResponse.meta.profile"/>
      <short
             value="Profiles this resource claims to conform to. Should list (i) this profile (ii) base profile for this resource."/>
      <definition
                  value="A list of profiles (references to [StructureDefinition](structuredefinition.html#) resources) that this resource claims to conform to. The URL is a reference to [StructureDefinition.url](structuredefinition-definitions.html#StructureDefinition.url)."/>
      <comment
               value="It is up to the server and/or other infrastructure of policy to determine whether/how these claims are verified and/or updated over time.  The list of profile URLs is a set."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Meta.profile"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="canonical"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/StructureDefinition"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.security">
      <path value="QuestionnaireResponse.meta.security"/>
      <short value="DISCOURAGED - may not be honoured by Data Consumers"/>
      <definition
                  value="Security labels applied to this resource. These tags connect specific resources to the overall security policy and infrastructure."/>
      <comment
               value="The security labels can be updated without changing the stated version of the resource. The list of security labels is a set. Uniqueness is based the system/code, and version and display are ignored."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Meta.security"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Coding"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <binding>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="SecurityLabels"/>
        </extension>
        <strength value="extensible"/>
        <description
                     value="Security Labels from the Healthcare Privacy and Security Classification System."/>
        <valueSet value="http://hl7.org/fhir/ValueSet/security-labels"/>
      </binding>
    </element>
    <element id="QuestionnaireResponse.meta.tag">
      <path value="QuestionnaireResponse.meta.tag"/>
      <slicing>
        <discriminator>
          <type value="value"/>
          <path value="system"/>
        </discriminator>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <short value="Tags applied to this resource"/>
      <definition
                  value="Tags applied to this resource. Tags are intended to be used to identify and relate resources to process and workflow, and applications are not required to consider the tags when interpreting the meaning of a resource."/>
      <comment
               value="The tags can be updated without changing the stated version of the resource. The list of tags is a set. Uniqueness is based the system/code, and version and display are ignored."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Meta.tag"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Coding"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <binding>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Tags"/>
        </extension>
        <strength value="example"/>
        <description
                     value="Codes that represent various types of tags, commonly workflow-related; e.g. &quot;Needs review by Dr. Jones&quot;."/>
        <valueSet value="http://hl7.org/fhir/ValueSet/common-tags"/>
      </binding>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source">
      <path value="QuestionnaireResponse.meta.tag"/>
      <sliceName value="Source"/>
      <short
             value="MANDATORY except in Contained Resources. The Data Provider Id (and display text) of the system supplying the data"/>
      <definition
                  value="Tags applied to this resource. Tags are intended to be used to identify and relate resources to process and workflow, and applications are not required to consider the tags when interpreting the meaning of a resource."/>
      <comment
               value="The tags can be updated without changing the stated version of the resource. The list of tags is a set. Uniqueness is based the system/code, and version and display are ignored."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Meta.tag"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Coding"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <binding>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Tags"/>
        </extension>
        <strength value="example"/>
        <description
                     value="Codes that represent various types of tags, commonly workflow-related; e.g. &quot;Needs review by Dr. Jones&quot;."/>
        <valueSet value="http://hl7.org/fhir/ValueSet/common-tags"/>
      </binding>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source.id">
      <path value="QuestionnaireResponse.meta.tag.id"/>
      <representation value="xmlAttr"/>
      <short value="Unique id for inter-element referencing"/>
      <definition
                  value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source.extension">
      <path value="QuestionnaireResponse.meta.tag.extension"/>
      <slicing>
        <discriminator>
          <type value="value"/>
          <path value="url"/>
        </discriminator>
        <description value="Extensions are always sliced by (at least) url"/>
        <rules value="open"/>
      </slicing>
      <short value="Additional content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source.system">
      <path value="QuestionnaireResponse.meta.tag.system"/>
      <short value="Identity of the terminology system"/>
      <definition
                  value="The identification of the code system that defines the meaning of the symbol in the code."/>
      <comment
               value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should reference to some definition that establishes the system clearly and unambiguously."/>
      <requirements
                    value="Need to be unambiguous about the source of the definition of the symbol."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Coding.system"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <fixedUri value="https://fhir.interweavedigital.nhs.uk/Source"/>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.3"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./codeSystem"/>
      </mapping>
      <mapping>
        <identity value="orim"/>
        <map
             value="fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source.version">
      <path value="QuestionnaireResponse.meta.tag.version"/>
      <short value="Version of the system - if relevant"/>
      <definition
                  value="The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured, and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged."/>
      <comment
               value="Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date."/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="Coding.version"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.7"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./codeSystemVersion"/>
      </mapping>
      <mapping>
        <identity value="orim"/>
        <map
             value="fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source.code">
      <path value="QuestionnaireResponse.meta.tag.code"/>
      <short value="The Data Provider Id of the system supplying the data"/>
      <definition
                  value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination)."/>
      <requirements
                    value="Need to refer to a particular code in the system."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Coding.code"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.1"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./code"/>
      </mapping>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source.display">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true"/>
      </extension>
      <path value="QuestionnaireResponse.meta.tag.display"/>
      <short value="Name of the system supplying the data"/>
      <definition
                  value="A representation of the meaning of the code in the system, following the rules of the system."/>
      <requirements
                    value="Need to be able to carry a human-readable meaning of the code for readers that do not know  the system."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Coding.display"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.2 - but note this is not well followed"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="CV.displayName"/>
      </mapping>
      <mapping>
        <identity value="orim"/>
        <map
             value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source.userSelected">
      <path value="QuestionnaireResponse.meta.tag.userSelected"/>
      <short value="If this coding was chosen directly by the user"/>
      <definition
                  value="Indicates that this coding was chosen by a user directly - e.g. off a pick list of available items (codes or displays)."/>
      <comment
               value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely."/>
      <requirements
                    value="This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.userSelected"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="Sometimes implied by being first"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="CD.codingRationale"/>
      </mapping>
      <mapping>
        <identity value="orim"/>
        <map
             value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source &quot;true&quot;;     fhir:target dt:CDCoding.codingRationale\#O   ]"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance">
      <path value="QuestionnaireResponse.meta.tag"/>
      <sliceName value="Provenance"/>
      <short
             value="MANDATORY except in Contained Resources. The ODS Code (and display text) of the organisation responsible for the data"/>
      <definition
                  value="Tags applied to this resource. Tags are intended to be used to identify and relate resources to process and workflow, and applications are not required to consider the tags when interpreting the meaning of a resource."/>
      <comment
               value="The tags can be updated without changing the stated version of the resource. The list of tags is a set. Uniqueness is based the system/code, and version and display are ignored."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Meta.tag"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Coding"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <binding>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Tags"/>
        </extension>
        <strength value="example"/>
        <description
                     value="Codes that represent various types of tags, commonly workflow-related; e.g. &quot;Needs review by Dr. Jones&quot;."/>
        <valueSet value="http://hl7.org/fhir/ValueSet/common-tags"/>
      </binding>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance.id">
      <path value="QuestionnaireResponse.meta.tag.id"/>
      <representation value="xmlAttr"/>
      <short value="Unique id for inter-element referencing"/>
      <definition
                  value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance.extension">
      <path value="QuestionnaireResponse.meta.tag.extension"/>
      <slicing>
        <discriminator>
          <type value="value"/>
          <path value="url"/>
        </discriminator>
        <description value="Extensions are always sliced by (at least) url"/>
        <rules value="open"/>
      </slicing>
      <short value="Additional content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance.system">
      <path value="QuestionnaireResponse.meta.tag.system"/>
      <short value="Identity of the terminology system"/>
      <definition
                  value="The identification of the code system that defines the meaning of the symbol in the code."/>
      <comment
               value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should reference to some definition that establishes the system clearly and unambiguously."/>
      <requirements
                    value="Need to be unambiguous about the source of the definition of the symbol."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Coding.system"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <fixedUri value="https://fhir.interweavedigital.nhs.uk/Provenance"/>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.3"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./codeSystem"/>
      </mapping>
      <mapping>
        <identity value="orim"/>
        <map
             value="fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance.version">
      <path value="QuestionnaireResponse.meta.tag.version"/>
      <short value="Version of the system - if relevant"/>
      <definition
                  value="The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured, and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged."/>
      <comment
               value="Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date."/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="Coding.version"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.7"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./codeSystemVersion"/>
      </mapping>
      <mapping>
        <identity value="orim"/>
        <map
             value="fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance.code">
      <path value="QuestionnaireResponse.meta.tag.code"/>
      <short
             value="The ODS Code of the organisation responsible for the data"/>
      <definition
                  value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination)."/>
      <requirements
                    value="Need to refer to a particular code in the system."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Coding.code"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.1"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./code"/>
      </mapping>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance.display">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true"/>
      </extension>
      <path value="QuestionnaireResponse.meta.tag.display"/>
      <short value="Name of the organisation supplying the data"/>
      <definition
                  value="A representation of the meaning of the code in the system, following the rules of the system."/>
      <requirements
                    value="Need to be able to carry a human-readable meaning of the code for readers that do not know  the system."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Coding.display"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.2 - but note this is not well followed"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="CV.displayName"/>
      </mapping>
      <mapping>
        <identity value="orim"/>
        <map
             value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance.userSelected">
      <path value="QuestionnaireResponse.meta.tag.userSelected"/>
      <short value="If this coding was chosen directly by the user"/>
      <definition
                  value="Indicates that this coding was chosen by a user directly - e.g. off a pick list of available items (codes or displays)."/>
      <comment
               value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely."/>
      <requirements
                    value="This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.userSelected"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="Sometimes implied by being first"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="CD.codingRationale"/>
      </mapping>
      <mapping>
        <identity value="orim"/>
        <map
             value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source &quot;true&quot;;     fhir:target dt:CDCoding.codingRationale\#O   ]"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.implicitRules">
      <path value="QuestionnaireResponse.implicitRules"/>
      <short value="DISCOURAGED - may not be honoured by Data Consumers"/>
      <definition
                  value="A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc."/>
      <comment
               value="Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.implicitRules"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="true"/>
      <isModifierReason
                        value="This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation"/>
      <isSummary value="true"/>
    </element>
    <element id="QuestionnaireResponse.language">
      <path value="QuestionnaireResponse.language"/>
      <short
             value="English is assumed (not currently a multi-lingual implementation)"/>
      <definition
                  value="The base language in which the resource is written."/>
      <comment
               value="Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.language"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <binding>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
          <valueCanonical value="http://hl7.org/fhir/ValueSet/all-languages"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Language"/>
        </extension>
        <strength value="preferred"/>
        <description value="A human language."/>
        <valueSet value="http://hl7.org/fhir/ValueSet/languages"/>
      </binding>
    </element>
    <element id="QuestionnaireResponse.text">
      <path value="QuestionnaireResponse.text"/>
      <short
             value="DISCOURAGED - the preferred approach is to offer structured data fields which a Data Consumer can then render and present in a manner most suited to its users"/>
      <definition
                  value="A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it &quot;clinically safe&quot; for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety."/>
      <comment
               value="Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a &quot;text blob&quot; or where text is additionally entered raw or narrated and encoded information is added later."/>
      <alias value="narrative"/>
      <alias value="html"/>
      <alias value="xhtml"/>
      <alias value="display"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DomainResource.text"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Narrative"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="Act.text?"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.contained">
      <path value="QuestionnaireResponse.contained"/>
      <short value="Contained, inline Resources"/>
      <definition
                  value="These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope."/>
      <comment
               value="This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels."/>
      <alias value="inline resources"/>
      <alias value="anonymous resources"/>
      <alias value="contained resources"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DomainResource.contained"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Resource"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.extension">
      <path value="QuestionnaireResponse.extension"/>
      <short value="Additional content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DomainResource.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.modifierExtension">
      <path value="QuestionnaireResponse.modifierExtension"/>
      <short value="Extensions that cannot be ignored"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <requirements
                    value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DomainResource.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="true"/>
      <isModifierReason
                        value="Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.identifier">
      <path value="QuestionnaireResponse.identifier"/>
      <short value="Unique id for this set of answers"/>
      <definition
                  value="A business identifier assigned to a particular completed (or partially completed) questionnaire."/>
      <requirements
                    value="Used for tracking, registration and other business purposes."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="QuestionnaireResponse.identifier"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Identifier"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="workflow"/>
        <map value="Event.identifier"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.identifier"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".id"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.basedOn">
      <path value="QuestionnaireResponse.basedOn"/>
      <short value="Request fulfilled by this QuestionnaireResponse"/>
      <definition
                  value="The order, proposal or plan that is fulfilled in whole or in part by this QuestionnaireResponse.  For example, a ServiceRequest seeking an intake assessment or a decision support recommendation to assess for post-partum depression."/>
      <requirements
                    value="Supports traceability of responsibility for the action and allows linkage of an action to the recommendations acted upon."/>
      <alias value="order"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="QuestionnaireResponse.basedOn"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/CarePlan"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/ServiceRequest"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="workflow"/>
        <map value="Event.basedOn"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship[typeCode=FLFS].target"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.partOf">
      <path value="QuestionnaireResponse.partOf"/>
      <short
             value="DISCOURAGED. - A procedure or observation that this questionnaire was performed as part of the execution of."/>
      <definition
                  value="A procedure or observation that this questionnaire was performed as part of the execution of.  For example, the surgery a checklist was executed as part of."/>
      <comment
               value="Composition of questionnaire responses will be handled by the parent questionnaire having answers that reference the child questionnaire.  For relationships to referrals, and other types of requests, use basedOn."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="QuestionnaireResponse.partOf"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/Observation"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/Procedure"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="workflow"/>
        <map value="Event.partOf"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map
             value=".inboundRelationship[typeCode=COMP].source[moodCode=EVN]"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.questionnaire">
      <path value="QuestionnaireResponse.questionnaire"/>
      <short value="Form being answered"/>
      <definition
                  value="The Questionnaire that defines and organizes the questions for which answers are being provided."/>
      <comment
               value="If a QuestionnaireResponse references a Questionnaire, then the QuestionnaireResponse structure must be consistent with the Questionnaire (i.e. questions must be organized into the same groups, nested questions must still be nested, etc.)."/>
      <requirements
                    value="Needed to allow editing of the questionnaire response in a manner that enforces the constraints of the original form."/>
      <alias value="Form"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="QuestionnaireResponse.questionnaire"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="canonical"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/Questionnaire"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="workflow"/>
        <map value="Event.instantiates"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map
             value="./outboundRelationship[typeCode=INST]/target[classCode=OBS, moodCode=DEFN]"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.status">
      <path value="QuestionnaireResponse.status"/>
      <short value="completed | amended | entered-in-error"/>
      <definition
                  value="The position of the questionnaire response within its overall lifecycle."/>
      <comment
               value="This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid."/>
      <requirements
                    value="The information on Questionnaire resources  may possibly be gathered during multiple sessions and altered after considered being finished."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="QuestionnaireResponse.status"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="true"/>
      <isModifierReason
                        value="This element is labelled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <valueSet
                  value="https://fhir.interweavedigital.nhs.uk/R4/ValueSet/Interweave-QuestionnaireResponseStatus"/>
      </binding>
      <mapping>
        <identity value="workflow"/>
        <map value="Event.status"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.status"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map
             value=".statusCode (also whether there's a revisionControlAct - and possibly mood to distinguish &quot;in-progress&quot; from &quot;published)"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.subject">
      <path value="QuestionnaireResponse.subject"/>
      <short value="The subject of the questions"/>
      <definition
                  value="The subject of the questionnaire response.  This could be a patient, organization, practitioner, device, etc.  This is who/what the answers apply to, but is not necessarily the source of information."/>
      <comment
               value="If the Questionnaire declared a subjectType, the resource pointed to by this element must be an instance of one of the listed types."/>
      <requirements
                    value="Allows linking the answers to the individual the answers describe.  May also affect access control."/>
      <alias value="Patient"/>
      <alias value="Focus"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="QuestionnaireResponse.subject"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="https://fhir.interweavedigital.nhs.uk/R4/StructureDefinition/Interweave-Patient"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="workflow"/>
        <map value="Event.subject"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.subject[x]"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=SBJ].role"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.subject"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.subject.id">
      <path value="QuestionnaireResponse.subject.id"/>
      <representation value="xmlAttr"/>
      <short value="Unique id for inter-element referencing"/>
      <definition
                  value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.subject.extension">
      <path value="QuestionnaireResponse.subject.extension"/>
      <slicing>
        <discriminator>
          <type value="value"/>
          <path value="url"/>
        </discriminator>
        <description value="Extensions are always sliced by (at least) url"/>
        <rules value="open"/>
      </slicing>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="QuestionnaireResponse.subject.reference">
      <path value="QuestionnaireResponse.subject.reference"/>
      <short value="Reference to a resource (could be Contained)"/>
      <definition
                  value="A reference to a location at which the other resource is found. The reference may be a relative reference, in which case it is relative to the service base URL, or an absolute URL that resolves to the location where the resource is found. The reference may be version specific or not. If the reference is not to a FHIR RESTful server, then it should be assumed to be version specific. Internal fragment references (start with '#') refer to contained resources."/>
      <comment
               value="Using absolute URLs provides a stable scalable approach suitable for a cloud/web context, while using relative/logical references provides a flexible approach suitable for use when trading across closed eco-system boundaries.   Absolute URLs do not need to point to a FHIR RESTful server, though this is the preferred approach. If the URL conforms to the structure &quot;/[type]/[id]&quot; then it should be assumed that the reference is to a FHIR RESTful server."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Reference.reference"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <condition value="ref-1"/>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.subject.type">
      <path value="QuestionnaireResponse.subject.type"/>
      <short value="Type the reference refers to (e.g. &quot;Patient&quot;)"/>
      <definition
                  value="The expected type of the target of the reference. If both Reference.type and Reference.reference are populated and Reference.reference is a FHIR URL, both SHALL be consistent.

The type is the Canonical URL of Resource Definition that is the type this reference refers to. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition/ e.g. &quot;Patient&quot; is a reference to http://hl7.org/fhir/StructureDefinition/Patient. Absolute URLs are only allowed for logical models (and can only be used in references in logical models, not resources)."/>
      <comment
               value="This element is used to indicate the type of  the target of the reference. This may be used which ever of the other elements are populated (or not). In some cases, the type of the target may be determined by inspection of the reference (e.g. a RESTful URL) or by resolving the target of the reference; if both the type and a reference is provided, the reference SHALL resolve to a resource of the same type as that specified."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Reference.type"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <binding>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="FHIRResourceTypeExt"/>
        </extension>
        <strength value="extensible"/>
        <description
                     value="Aa resource (or, for logical models, the URI of the logical model)."/>
        <valueSet value="http://hl7.org/fhir/ValueSet/resource-types"/>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.subject.identifier">
      <path value="QuestionnaireResponse.subject.identifier"/>
      <short value="If relevant could include an id"/>
      <definition
                  value="An identifier for the target resource. This is used when there is no way to reference the other resource directly, either because the entity it represents is not available through a FHIR server, or because there is no way for the author of the resource to convert a known identifier to an actual location. There is no requirement that a Reference.identifier point to something that is actually exposed as a FHIR instance, but it SHALL point to a business concept that would be expected to be exposed as a FHIR instance, and that instance would need to be of a FHIR resource type allowed by the reference."/>
      <comment
               value="When an identifier is provided in place of a reference, any system processing the reference will only be able to resolve the identifier to a reference if it understands the business context in which the identifier is used. Sometimes this is global (e.g. a national identifier) but often it is not. For this reason, none of the useful mechanisms described for working with references (e.g. chaining, includes) are possible, nor should servers be expected to be able resolve the reference. Servers may accept an identifier based reference untouched, resolve it, and/or reject it - see CapabilityStatement.rest.resource.referencePolicy. 

When both an identifier and a literal reference are provided, the literal reference is preferred. Applications processing the resource are allowed - but not required - to check that the identifier matches the literal reference

Applications converting a logical reference to a literal reference may choose to leave the logical reference present, or remove it.

Reference is intended to point to a structure that can potentially be expressed as a FHIR resource, though there is no need for it to exist as an actual FHIR resource instance - except in as much as an application wishes to actual find the target of the reference. The content referred to be the identifier must meet the logical constraints implied by any limitations on what resource types are permitted for the reference.  For example, it would not be legitimate to send the identifier for a drug prescription if the type were Reference(Observation|DiagnosticReport).  One of the use-cases for Reference.identifier is the situation where no FHIR representation exists (where the type is Reference (Any)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Reference.identifier"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Identifier"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value=".identifier"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.subject.display">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true"/>
      </extension>
      <path value="QuestionnaireResponse.subject.display"/>
      <short value="Description of the referenced resource"/>
      <definition
                  value="Plain text narrative that identifies the resource in addition to the resource reference."/>
      <comment
               value="This is generally not the same as the Resource.text of the referenced resource.  The purpose is to identify what's being referenced, not to fully describe it."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Reference.display"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.encounter">
      <path value="QuestionnaireResponse.encounter"/>
      <short value="Encounter created as part of"/>
      <definition
                  value="The Encounter during which this questionnaire response was created or to which the creation of this record is tightly associated."/>
      <comment
               value="This will typically be the encounter the event occurred within, but some activities may be initiated prior to or after the official completion of an encounter but still be tied to the context of the encounter. A questionnaire that was initiated during an encounter but not fully completed during the encounter would still generally be associated with the encounter."/>
      <requirements
                    value="Provides context for the information that was captured.  May also affect access control."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="QuestionnaireResponse.encounter"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="https://fhir.interweavedigital.nhs.uk/R4/StructureDefinition/Interweave-Encounter"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="workflow"/>
        <map value="Event.encounter"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.context"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map
             value=".inboundRelationship(typeCode=COMP].source[classCode&lt;=PCPR, moodCode=EVN]"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.encounter.id">
      <path value="QuestionnaireResponse.encounter.id"/>
      <representation value="xmlAttr"/>
      <short value="Unique id for inter-element referencing"/>
      <definition
                  value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.encounter.extension">
      <path value="QuestionnaireResponse.encounter.extension"/>
      <slicing>
        <discriminator>
          <type value="value"/>
          <path value="url"/>
        </discriminator>
        <description value="Extensions are always sliced by (at least) url"/>
        <rules value="open"/>
      </slicing>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
    </element>
    <element id="QuestionnaireResponse.encounter.reference">
      <path value="QuestionnaireResponse.encounter.reference"/>
      <short value="Reference to a resource (could be Contained)"/>
      <definition
                  value="A reference to a location at which the other resource is found. The reference may be a relative reference, in which case it is relative to the service base URL, or an absolute URL that resolves to the location where the resource is found. The reference may be version specific or not. If the reference is not to a FHIR RESTful server, then it should be assumed to be version specific. Internal fragment references (start with '#') refer to contained resources."/>
      <comment
               value="Using absolute URLs provides a stable scalable approach suitable for a cloud/web context, while using relative/logical references provides a flexible approach suitable for use when trading across closed eco-system boundaries.   Absolute URLs do not need to point to a FHIR RESTful server, though this is the preferred approach. If the URL conforms to the structure &quot;/[type]/[id]&quot; then it should be assumed that the reference is to a FHIR RESTful server."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Reference.reference"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <condition value="ref-1"/>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.encounter.type">
      <path value="QuestionnaireResponse.encounter.type"/>
      <short value="Type the reference refers to (e.g. &quot;Patient&quot;)"/>
      <definition
                  value="The expected type of the target of the reference. If both Reference.type and Reference.reference are populated and Reference.reference is a FHIR URL, both SHALL be consistent.

The type is the Canonical URL of Resource Definition that is the type this reference refers to. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition/ e.g. &quot;Patient&quot; is a reference to http://hl7.org/fhir/StructureDefinition/Patient. Absolute URLs are only allowed for logical models (and can only be used in references in logical models, not resources)."/>
      <comment
               value="This element is used to indicate the type of  the target of the reference. This may be used which ever of the other elements are populated (or not). In some cases, the type of the target may be determined by inspection of the reference (e.g. a RESTful URL) or by resolving the target of the reference; if both the type and a reference is provided, the reference SHALL resolve to a resource of the same type as that specified."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Reference.type"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <binding>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="FHIRResourceTypeExt"/>
        </extension>
        <strength value="extensible"/>
        <description
                     value="Aa resource (or, for logical models, the URI of the logical model)."/>
        <valueSet value="http://hl7.org/fhir/ValueSet/resource-types"/>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.encounter.identifier">
      <path value="QuestionnaireResponse.encounter.identifier"/>
      <short value="If relevant could include an id"/>
      <definition
                  value="An identifier for the target resource. This is used when there is no way to reference the other resource directly, either because the entity it represents is not available through a FHIR server, or because there is no way for the author of the resource to convert a known identifier to an actual location. There is no requirement that a Reference.identifier point to something that is actually exposed as a FHIR instance, but it SHALL point to a business concept that would be expected to be exposed as a FHIR instance, and that instance would need to be of a FHIR resource type allowed by the reference."/>
      <comment
               value="When an identifier is provided in place of a reference, any system processing the reference will only be able to resolve the identifier to a reference if it understands the business context in which the identifier is used. Sometimes this is global (e.g. a national identifier) but often it is not. For this reason, none of the useful mechanisms described for working with references (e.g. chaining, includes) are possible, nor should servers be expected to be able resolve the reference. Servers may accept an identifier based reference untouched, resolve it, and/or reject it - see CapabilityStatement.rest.resource.referencePolicy. 

When both an identifier and a literal reference are provided, the literal reference is preferred. Applications processing the resource are allowed - but not required - to check that the identifier matches the literal reference

Applications converting a logical reference to a literal reference may choose to leave the logical reference present, or remove it.

Reference is intended to point to a structure that can potentially be expressed as a FHIR resource, though there is no need for it to exist as an actual FHIR resource instance - except in as much as an application wishes to actual find the target of the reference. The content referred to be the identifier must meet the logical constraints implied by any limitations on what resource types are permitted for the reference.  For example, it would not be legitimate to send the identifier for a drug prescription if the type were Reference(Observation|DiagnosticReport).  One of the use-cases for Reference.identifier is the situation where no FHIR representation exists (where the type is Reference (Any)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Reference.identifier"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Identifier"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value=".identifier"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.encounter.display">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true"/>
      </extension>
      <path value="QuestionnaireResponse.encounter.display"/>
      <short value="If relevant, description of the referenced resource"/>
      <definition
                  value="Plain text narrative that identifies the resource in addition to the resource reference."/>
      <comment
               value="This is generally not the same as the Resource.text of the referenced resource.  The purpose is to identify what's being referenced, not to fully describe it."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Reference.display"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.authored">
      <path value="QuestionnaireResponse.authored"/>
      <short value="Date the answers were gathered"/>
      <definition
                  value="The date and/or time that this set of answers were last changed."/>
      <comment
               value="May be different from the lastUpdateTime of the resource itself, because that reflects when the data was known to the server, not when the data was captured.

This element is optional to allow for systems that might not know the value, however it SHOULD be populated if possible."/>
      <requirements
                    value="Clinicians need to be able to check the date that the information in the questionnaire was collected, to derive the context of the answers."/>
      <alias value="Date Created"/>
      <alias value="Date published"/>
      <alias value="Date Issued"/>
      <alias value="Date updated"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="QuestionnaireResponse.authored"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="dateTime"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="workflow"/>
        <map value="Event.occurrence[x]"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.recorded"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=AUT].time"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.author">
      <path value="QuestionnaireResponse.author"/>
      <short value="Person who received and recorded the answers"/>
      <definition
                  value="Person who received the answers to the questions in the QuestionnaireResponse and recorded them in the system."/>
      <comment
               value="Mapping a subject's answers to multiple choice options and determining what to put in the textual answer is a matter of interpretation.  Authoring by device would indicate that some portion of the questionnaire had been auto-populated."/>
      <requirements
                    value="Need to know who interpreted the subject's answers to the questions in the questionnaire, and selected the appropriate options for answers."/>
      <alias value="Laboratory"/>
      <alias value="Service"/>
      <alias value="Practitioner"/>
      <alias value="Department"/>
      <alias value="Company"/>
      <alias value="Performer"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="QuestionnaireResponse.author"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/Device"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/Patient"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/Organization"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="workflow"/>
        <map value="Event.performer"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.author"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=AUT].role"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.source">
      <path value="QuestionnaireResponse.source"/>
      <short value="The person who answered the questions"/>
      <definition
                  value="The person who answered the questions about the subject."/>
      <comment
               value="If not specified, no inference can be made about who provided the data."/>
      <requirements
                    value="When answering questions about a subject that is minor, incapable of answering or an animal, another human source may answer the questions."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="QuestionnaireResponse.source"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/Patient"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.source"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=INF].role"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item">
      <path value="QuestionnaireResponse.item"/>
      <short value="Groups and questions"/>
      <definition
                  value="A group or question item from the original questionnaire for which answers are provided."/>
      <comment
               value="Groups cannot have answers and therefore must nest directly within item. When dealing with questions, nesting must occur within each answer because some questions may have multiple answers (and the nesting occurs for each answer)."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="QuestionnaireResponse.item"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="qrs-1"/>
        <severity value="error"/>
        <human value="Nested item can't be beneath both item and answer"/>
        <expression value="(answer.exists() and item.exists()).not()"/>
        <xpath value="not(exists(f:answer) and exists(f:item))"/>
        <source
                value="http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map
             value=".outboundRelationship[typeCode=COMP].target[classCode=OBS, moodCode=EVN]"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.id">
      <path value="QuestionnaireResponse.item.id"/>
      <representation value="xmlAttr"/>
      <short value="Unique id for inter-element referencing"/>
      <definition
                  value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.extension">
      <path value="QuestionnaireResponse.item.extension"/>
      <short value="Additional content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.modifierExtension">
      <path value="QuestionnaireResponse.item.modifierExtension"/>
      <short value="Extensions that cannot be ignored even if unrecognized"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <requirements
                    value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="true"/>
      <isModifierReason
                        value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.linkId">
      <path value="QuestionnaireResponse.item.linkId"/>
      <short value="Pointer to specific item from Questionnaire"/>
      <definition
                  value="The item from the Questionnaire that corresponds to this item in the QuestionnaireResponse resource."/>
      <requirements
                    value="Items can repeat in the answers, so a direct 1..1 correspondence by position might not exist - requiring correspondence by identifier."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="QuestionnaireResponse.item.linkId"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map
             value=".outboundRelationship[typeCode=DEFN].target[classCode=OBS, moodCode=DEFN].id"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.definition">
      <path value="QuestionnaireResponse.item.definition"/>
      <short value="ElementDefinition - details for the item"/>
      <definition
                  value="A reference to an [ElementDefinition](http://hl7.org/fhir/R4/elementdefinition.html) that provides the details for the item."/>
      <comment
               value="The ElementDefinition must be in a [StructureDefinition](structuredefinition.html#), and must have a fragment identifier that identifies the specific data element by its id (Element.id). E.g. http://hl7.org/fhir/StructureDefinition/Observation#Observation.value[x].

There is no need for this element if the item pointed to by the linkId has a definition listed."/>
      <requirements
                    value="A common pattern is to define a set of data elements, and then build multiple different questionnaires for different circumstances to gather the data. This element provides traceability to the common definition."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="QuestionnaireResponse.item.definition"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map
             value=".outboundRelationship[typeCode=DEFN].target[classCode=OBS, moodCode=DEFN].code"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.text">
      <path value="QuestionnaireResponse.item.text"/>
      <short value="Name for group or question text"/>
      <definition
                  value="Text that is displayed above the contents of the group or as the text of the question being answered."/>
      <requirements
                    value="Allows the questionnaire response to be read without access to the questionnaire."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="QuestionnaireResponse.item.text"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value=".text"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.answer">
      <path value="QuestionnaireResponse.item.answer"/>
      <short value="The response(s) to the question"/>
      <definition value="The respondent's answer(s) to the question."/>
      <comment
               value="The value is nested because we cannot have a repeating structure that has variable type."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="QuestionnaireResponse.item.answer"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value=".value[type=LIST_ANY]"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.answer.id">
      <path value="QuestionnaireResponse.item.answer.id"/>
      <representation value="xmlAttr"/>
      <short value="Unique id for inter-element referencing"/>
      <definition
                  value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.answer.extension">
      <path value="QuestionnaireResponse.item.answer.extension"/>
      <short value="Additional content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.answer.modifierExtension">
      <path value="QuestionnaireResponse.item.answer.modifierExtension"/>
      <short value="Extensions that cannot be ignored even if unrecognized"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <requirements
                    value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="true"/>
      <isModifierReason
                        value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.answer.value[x]">
      <path value="QuestionnaireResponse.item.answer.value[x]"/>
      <short value="Single-valued answer to the question"/>
      <definition
                  value="The answer (or one of the answers) provided by the respondent to the question."/>
      <comment
               value="More complex structures (Attachment, Resource and Quantity) will typically be limited to electronic forms that can expose an appropriate user interface to capture the components and enforce the constraints of a complex data type.  Additional complex types can be introduced through extensions. Must match the datatype specified by Questionnaire.item.type in the corresponding Questionnaire."/>
      <requirements
                    value="Ability to retain a single-valued answer to a question."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="QuestionnaireResponse.item.answer.value[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <type>
        <code value="decimal"/>
      </type>
      <type>
        <code value="integer"/>
      </type>
      <type>
        <code value="date"/>
      </type>
      <type>
        <code value="dateTime"/>
      </type>
      <type>
        <code value="time"/>
      </type>
      <type>
        <code value="string"/>
      </type>
      <type>
        <code value="uri"/>
      </type>
      <type>
        <code value="Attachment"/>
      </type>
      <type>
        <code value="Coding"/>
      </type>
      <type>
        <code value="Quantity"/>
      </type>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/Resource"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <binding>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="QuestionnaireAnswer"/>
        </extension>
        <strength value="example"/>
        <description
                     value="Code indicating the response provided for a question."/>
        <valueSet value="http://hl7.org/fhir/ValueSet/questionnaire-answers"/>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value=".item"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.answer.item">
      <path value="QuestionnaireResponse.item.answer.item"/>
      <short value="Nested groups and questions"/>
      <definition
                  value="Nested groups and/or questions found within this particular answer."/>
      <requirements
                    value="It is useful to have &quot;sub-questions&quot;, questions which normally appear when certain answers are given and which collect additional details."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="QuestionnaireResponse.item.answer.item"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <contentReference
                        value="http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse#QuestionnaireResponse.item"/>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map
             value=".outboundRelationship[typeCode=COMP].target[classCode=OBS, moodCode=EVN]"/>
      </mapping>
    </element>
    <element id="QuestionnaireResponse.item.item">
      <path value="QuestionnaireResponse.item.item"/>
      <short value="Nested questionnaire response items"/>
      <definition
                  value="Questions or sub-groups nested beneath a question or group."/>
      <requirements value="Reports can consist of complex nested groups."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="QuestionnaireResponse.item.item"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <contentReference
                        value="http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse#QuestionnaireResponse.item"/>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map
             value=".outboundRelationship[typeCode=COMP].target[classCode=OBS, moodCode=EVN]"/>
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element id="QuestionnaireResponse.id">
      <path value="QuestionnaireResponse.id"/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.id">
      <path value="QuestionnaireResponse.meta.id"/>
      <max value="0"/>
    </element>
    <element id="QuestionnaireResponse.meta.versionId">
      <path value="QuestionnaireResponse.meta.versionId"/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.lastUpdated">
      <path value="QuestionnaireResponse.meta.lastUpdated"/>
      <short
             value="MANDATORY except in Contained Resources. When the resource version last changed."/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.profile">
      <path value="QuestionnaireResponse.meta.profile"/>
      <short
             value="Profiles this resource claims to conform to. Should list (i) this profile (ii) base profile for this resource."/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.security">
      <path value="QuestionnaireResponse.meta.security"/>
      <short value="DISCOURAGED - may not be honoured by Data Consumers"/>
    </element>
    <element id="QuestionnaireResponse.meta.tag">
      <path value="QuestionnaireResponse.meta.tag"/>
      <slicing>
        <discriminator>
          <type value="value"/>
          <path value="system"/>
        </discriminator>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source">
      <path value="QuestionnaireResponse.meta.tag"/>
      <sliceName value="Source"/>
      <short
             value="MANDATORY except in Contained Resources. The Data Provider Id (and display text) of the system supplying the data"/>
      <min value="0"/>
      <max value="1"/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source.id">
      <path value="QuestionnaireResponse.meta.tag.id"/>
      <max value="0"/>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source.system">
      <path value="QuestionnaireResponse.meta.tag.system"/>
      <min value="1"/>
      <fixedUri value="https://fhir.interweavedigital.nhs.uk/Source"/>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source.version">
      <path value="QuestionnaireResponse.meta.tag.version"/>
      <max value="0"/>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source.code">
      <path value="QuestionnaireResponse.meta.tag.code"/>
      <short value="The Data Provider Id of the system supplying the data"/>
      <min value="1"/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Source.display">
      <path value="QuestionnaireResponse.meta.tag.display"/>
      <short value="Name of the system supplying the data"/>
      <min value="1"/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance">
      <path value="QuestionnaireResponse.meta.tag"/>
      <sliceName value="Provenance"/>
      <short
             value="MANDATORY except in Contained Resources. The ODS Code (and display text) of the organisation responsible for the data"/>
      <min value="0"/>
      <max value="1"/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance.id">
      <path value="QuestionnaireResponse.meta.tag.id"/>
      <max value="0"/>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance.system">
      <path value="QuestionnaireResponse.meta.tag.system"/>
      <min value="1"/>
      <fixedUri value="https://fhir.interweavedigital.nhs.uk/Provenance"/>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance.version">
      <path value="QuestionnaireResponse.meta.tag.version"/>
      <max value="0"/>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance.code">
      <path value="QuestionnaireResponse.meta.tag.code"/>
      <short
             value="The ODS Code of the organisation responsible for the data"/>
      <min value="1"/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.meta.tag:Provenance.display">
      <path value="QuestionnaireResponse.meta.tag.display"/>
      <short value="Name of the organisation supplying the data"/>
      <min value="1"/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.implicitRules">
      <path value="QuestionnaireResponse.implicitRules"/>
      <short value="DISCOURAGED - may not be honoured by Data Consumers"/>
    </element>
    <element id="QuestionnaireResponse.language">
      <path value="QuestionnaireResponse.language"/>
      <short
             value="English is assumed (not currently a multi-lingual implementation)"/>
    </element>
    <element id="QuestionnaireResponse.text">
      <path value="QuestionnaireResponse.text"/>
      <short
             value="DISCOURAGED - the preferred approach is to offer structured data fields which a Data Consumer can then render and present in a manner most suited to its users"/>
    </element>
    <element id="QuestionnaireResponse.partOf">
      <path value="QuestionnaireResponse.partOf"/>
      <short
             value="DISCOURAGED. - A procedure or observation that this questionnaire was performed as part of the execution of."/>
    </element>
    <element id="QuestionnaireResponse.status">
      <path value="QuestionnaireResponse.status"/>
      <short value="completed | amended | entered-in-error"/>
      <mustSupport value="true"/>
      <binding>
        <strength value="required"/>
        <valueSet
                  value="https://fhir.interweavedigital.nhs.uk/R4/ValueSet/Interweave-QuestionnaireResponseStatus"/>
      </binding>
    </element>
    <element id="QuestionnaireResponse.subject">
      <path value="QuestionnaireResponse.subject"/>
      <min value="1"/>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="https://fhir.interweavedigital.nhs.uk/R4/StructureDefinition/Interweave-Patient"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.subject.id">
      <path value="QuestionnaireResponse.subject.id"/>
      <max value="0"/>
    </element>
    <element id="QuestionnaireResponse.subject.extension">
      <path value="QuestionnaireResponse.subject.extension"/>
      <max value="0"/>
    </element>
    <element id="QuestionnaireResponse.subject.reference">
      <path value="QuestionnaireResponse.subject.reference"/>
      <short value="Reference to a resource (could be Contained)"/>
      <min value="1"/>
    </element>
    <element id="QuestionnaireResponse.subject.identifier">
      <path value="QuestionnaireResponse.subject.identifier"/>
      <short value="If relevant could include an id"/>
    </element>
    <element id="QuestionnaireResponse.subject.display">
      <path value="QuestionnaireResponse.subject.display"/>
      <short value="Description of the referenced resource"/>
      <min value="1"/>
    </element>
    <element id="QuestionnaireResponse.encounter">
      <path value="QuestionnaireResponse.encounter"/>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="https://fhir.interweavedigital.nhs.uk/R4/StructureDefinition/Interweave-Encounter"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.encounter.id">
      <path value="QuestionnaireResponse.encounter.id"/>
      <max value="0"/>
    </element>
    <element id="QuestionnaireResponse.encounter.extension">
      <path value="QuestionnaireResponse.encounter.extension"/>
      <max value="0"/>
    </element>
    <element id="QuestionnaireResponse.encounter.reference">
      <path value="QuestionnaireResponse.encounter.reference"/>
      <short value="Reference to a resource (could be Contained)"/>
      <min value="1"/>
    </element>
    <element id="QuestionnaireResponse.encounter.identifier">
      <path value="QuestionnaireResponse.encounter.identifier"/>
      <short value="If relevant could include an id"/>
    </element>
    <element id="QuestionnaireResponse.encounter.display">
      <path value="QuestionnaireResponse.encounter.display"/>
      <short value="If relevant, description of the referenced resource"/>
    </element>
    <element id="QuestionnaireResponse.authored">
      <path value="QuestionnaireResponse.authored"/>
      <min value="1"/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.author">
      <path value="QuestionnaireResponse.author"/>
      <min value="1"/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.item">
      <path value="QuestionnaireResponse.item"/>
      <mustSupport value="true"/>
    </element>
    <element id="QuestionnaireResponse.item.text">
      <path value="QuestionnaireResponse.item.text"/>
      <min value="1"/>
      <mustSupport value="true"/>
    </element>
  </differential>
</StructureDefinition>