<status value="active" /> <description value="扩展Patient资源以支持民族信息记录" /> <fhirVersion value="4.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Patient" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="民族信息扩展" /> <min value="1" /> <max value="1" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://example.org/fhir/StructureDefinition/patient-nation" /> </element> <element id="Extension.valueCodeableConcept"> <path value="Extension.valueCodeableConcept" /> <short value="民族编码" /> <min value="1" /> <max value="1" /> <type> <code value="CodeableConcept" /> </type> <binding> <strength value="required" /> <valueSet value="http://example.org/fhir/ValueSet/nationcode" /> </binding> </element> </differential> </StructureDefinition>