<status value="draft" /> <experimental value="true" /> <date value="2025-08-18" /> <publisher value="NHS Wales" /> <copyright value="2025 NHS Wales" /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="DocumentReference" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DocumentReference" /> <derivation value="constraint" /> <differential> <element id="DocumentReference.extension"> <path value="DocumentReference.extension" /> <min value="1" /> </element> <element id="DocumentReference.extension:digitalStatus"> <path value="DocumentReference.extension" /> <sliceName value="digitalStatus" /> <type> <code value="Extension" /> <profile value="https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-DocumentDigitalStatus" /> </type> <isModifier value="false" /> </element> <element id="DocumentReference.extension:sourceSystem"> <path value="DocumentReference.extension" /> <sliceName value="sourceSystem" /> <type> <code value="Extension" /> <profile value="https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-SourceSystem" /> </type> <mustSupport value="true" /> <isModifier value="false" /> </element> <element id="DocumentReference.extension:versionR5"> <path value="DocumentReference.extension" /> <sliceName value="versionR5" /> <max value="1" /> <type> <code value="Extension" /> <profile value="http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.version" /> </type> <mustSupport value="true" /> <isModifier value="false" /> </element> <element id="DocumentReference.extension:attesterR5"> <path value="DocumentReference.extension" /> <sliceName value="attesterR5" /> <type> <code value="Extension" /> <profile value="http://hl7.org/fhir/5.0/StructureDefinition/extension-DocumentReference.attester" /> </type> <mustSupport value="true" /> <isModifier value="false" /> </element> <element id="DocumentReference.extension:errorStatus"> <path value="DocumentReference.extension" /> <sliceName value="errorStatus" /> <type> <code value="Extension" /> <profile value="https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-DocumentErrorStatus" /> </type> <mustSupport value="true" /> <isModifier value="false" /> </element> <element id="DocumentReference.extension:errorAction"> <path value="DocumentReference.extension" /> <sliceName value="errorAction" /> <type> <code value="Extension" /> <profile value="https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-DocumentErrorAction" /> </type> <isModifier value="false" /> </element> <element id="DocumentReference.extension:documentAttribute"> <path value="DocumentReference.extension" /> <sliceName value="documentAttribute" /> <type> <code value="Extension" /> <profile value="https://fhir.nhs.wales/StructureDefinition/Extension-DataStandardsWales-DocumentAttribute" /> </type> <isModifier value="false" /> </element> <element id="DocumentReference.masterIdentifier"> <path value="DocumentReference.masterIdentifier" /> <max value="0" /> </element> <element id="DocumentReference.identifier"> <path value="DocumentReference.identifier" /> <slicing> <description value="Slices provided for the different types of national identifiers issued by the Welsh Care Records Service." /> <rules value="open" /> </slicing> <mustSupport value="true" /> </element> <element id="DocumentReference.identifier:wcrsDocumentId"> <path value="DocumentReference.identifier" /> <sliceName value="wcrsDocumentId" /> <short value="The WCRS DocumentId." /> <definition value="The version-specific DocumentId issued by the Welsh Care Records Service." /> <max value="1" /> </element> <element id="DocumentReference.identifier:wcrsDocumentId.system"> <path value="DocumentReference.identifier.system" /> <fixedUri value="https://fhir.nhs.wales/Id/wcrs-document-identifier" /> </element> <element id="DocumentReference.identifier:wcrsSupersessionSetId"> <path value="DocumentReference.identifier" /> <sliceName value="wcrsSupersessionSetId" /> <short value="The WCRS DocumentSupersessionSetId." /> <definition value="The version-independent DocumentSupersessionSetId issued by the Welsh Care Records Service." /> <max value="1" /> </element> <element id="DocumentReference.identifier:wcrsSupersessionSetId.system"> <path value="DocumentReference.identifier.system" /> <fixedUri value="https://fhir.nhs.wales/Id/wcrs-supersession-set-identifier" /> </element> <element id="DocumentReference.docStatus"> <path value="DocumentReference.docStatus" /> <mustSupport value="true" /> </element> <element id="DocumentReference.type"> <path value="DocumentReference.type" /> <short value="Kind of document" /> <mustSupport value="true" /> <binding> <strength value="extensible" /> <valueSet value="https://fhir.nhs.wales/ValueSet/DataStandardsWales-DocumentType" /> </binding> </element> <element id="DocumentReference.category"> <path value="DocumentReference.category" /> <mustSupport value="true" /> <binding> <strength value="extensible" /> <valueSet value="https://fhir.nhs.wales/ValueSet/DataStandardsWales-DocumentCategory" /> </binding> </element> <element id="DocumentReference.subject"> <path value="DocumentReference.subject" /> <type> <code value="Reference" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Patient" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Practitioner" /> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Group" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Device" /> </type> <mustSupport value="true" /> </element> <element id="DocumentReference.date"> <path value="DocumentReference.date" /> <mustSupport value="true" /> </element> <element id="DocumentReference.author"> <path value="DocumentReference.author" /> <type> <code value="Reference" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Practitioner" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PractitionerRole" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Device" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Patient" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-RelatedPerson" /> </type> <mustSupport value="true" /> </element> <element id="DocumentReference.authenticator"> <path value="DocumentReference.authenticator" /> <max value="0" /> <type> <code value="Reference" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Practitioner" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PractitionerRole" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization" /> </type> <mustSupport value="false" /> </element> <element id="DocumentReference.custodian"> <path value="DocumentReference.custodian" /> <type> <code value="Reference" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization" /> </type> <mustSupport value="true" /> </element> <element id="DocumentReference.relatesTo.target"> <path value="DocumentReference.relatesTo.target" /> <type> <code value="Reference" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-DocumentReference" /> </type> </element> <element id="DocumentReference.securityLabel"> <path value="DocumentReference.securityLabel" /> <mustSupport value="true" /> </element> <element id="DocumentReference.context.encounter"> <path value="DocumentReference.context.encounter" /> <type> <code value="Reference" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Encounter" /> <targetProfile value="http://hl7.org/fhir/StructureDefinition/EpisodeOfCare" /> </type> </element> <element id="DocumentReference.context.practiceSetting"> <path value="DocumentReference.context.practiceSetting" /> <mustSupport value="true" /> <binding> <strength value="required" /> <valueSet value="https://simplifier.net/hl7-fhir--uk-core-r4-stu2-sequence2/ukcore-caresettingtype" /> </binding> </element> <element id="DocumentReference.context.sourcePatientInfo"> <path value="DocumentReference.context.sourcePatientInfo" /> <max value="0" /> <type> <code value="Reference" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Patient" /> </type> </element> <element id="DocumentReference.context.related"> <path value="DocumentReference.context.related" /> <type> <code value="Reference" /> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Resource" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Practitioner" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-PractitionerRole" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Organization" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Location" /> </type> </element> </differential> </StructureDefinition>