<status value="active" /> <experimental value="false" /> <date value="2026-03-09" /> <publisher value="NHS Wales" /> <contact> <name value="Data Standards" /> <telecom> <system value="email" /> <value value="data.standards@wales.nhs.uk" /> <use value="work" /> <rank value="1" /> </telecom> </contact> <description value="An extension to carry the demographics details that were present as at the time of the care record change" /> <purpose value="An extension to carry the demographics details that were present as at the time of the care record change" /> <copyright value="2026 NHS Wales" /> <fhirVersion value="4.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Provenance" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="Demographics as recorded" /> <definition value="Demographics details recorded as at the time of the care record change" /> <max value="1" /> </element> <element id="Extension.extension:Address"> <path value="Extension.extension" /> <sliceName value="Address" /> <short value="Address as at time of record change" /> <definition value="Address as at time of record change" /> </element> <element id="Extension.extension:Address.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:Address.url"> <path value="Extension.extension.url" /> <fixedUri value="Address" /> </element> <element id="Extension.extension:Address.value[x]"> <path value="Extension.extension.value[x]" /> <short value="Address as at time of care record change" /> <definition value="The address of the patient as at the time of the care record change" /> <type> <code value="Address" /> </type> </element> <element id="Extension.extension:Gender"> <path value="Extension.extension" /> <sliceName value="Gender" /> <short value="Gender as at time of record change" /> <definition value="Gender as at time of record change" /> <max value="1" /> <binding> <strength value="required" /> <description value="The gender of a person used for administrative purposes." /> <valueSet value="http://hl7.org/fhir/ValueSet/administrative-gender|4.0.1" /> </binding> </element> <element id="Extension.extension:Gender.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:Gender.url"> <path value="Extension.extension.url" /> <fixedUri value="Gender" /> </element> <element id="Extension.extension:Gender.value[x]"> <path value="Extension.extension.value[x]" /> <short value="male | female | other | unknown" /> <definition value="Administrative Gender - the gender that the patient is considered to have for administration and record keeping purposes." /> <type> <code value="code" /> </type> <binding> <strength value="required" /> <description value="The gender of a person used for administrative purposes." /> <valueSet value="http://hl7.org/fhir/ValueSet/administrative-gender|4.0.1" /> </binding> </element> <element id="Extension.extension:Name"> <path value="Extension.extension" /> <sliceName value="Name" /> <short value="Name as at time of record change" /> <definition value="name as at time of record change" /> <max value="1" /> </element> <element id="Extension.extension:Name.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:Name.url"> <path value="Extension.extension.url" /> <fixedUri value="Name" /> </element> <element id="Extension.extension:Name.value[x]"> <path value="Extension.extension.value[x]" /> <short value="Name as at time of record change" /> <definition value="Name as at time of record change" /> <type> <code value="HumanName" /> </type> </element> <element id="Extension.extension:birthDate"> <path value="Extension.extension" /> <sliceName value="birthDate" /> <short value="Date of Birth as at time of record change" /> <definition value="Date of Birth as at time of record change" /> <max value="1" /> </element> <element id="Extension.extension:birthDate.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:birthDate.url"> <path value="Extension.extension.url" /> <fixedUri value="birthDate" /> </element> <element id="Extension.extension:birthDate.value[x]"> <path value="Extension.extension.value[x]" /> <type> <code value="dateTime" /> </type> </element> <element id="Extension.extension:PAS-Identifier"> <path value="Extension.extension" /> <sliceName value="PAS-Identifier" /> <short value="PAS Identifier as at time of record change" /> <definition value="PAS Identifier as at time of record change" /> <max value="1" /> </element> <element id="Extension.extension:PAS-Identifier.extension"> <path value="Extension.extension.extension" /> <max value="0" /> </element> <element id="Extension.extension:PAS-Identifier.url"> <path value="Extension.extension.url" /> <fixedUri value="PAS-Identifier" /> </element> <element id="Extension.extension:PAS-Identifier.value[x]"> <path value="Extension.extension.value[x]" /> <type> <code value="Identifier" /> </type> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-demographicsAsRecorded" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <max value="0" /> </element> </differential> </StructureDefinition>