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value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-RelatedPerson" /> </type> <type> <code value="string" /> </type> </element> <element id="Observation.specimen"> <path value="Observation.specimen" /> <type> <code value="Reference" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Specimen" /> </type> <mustSupport value="false" /> </element> <element id="Observation.device"> <path value="Observation.device" /> <type> <code value="Reference" /> <targetProfile value="http://hl7.org/fhir/StructureDefinition/DeviceMetric" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Device" /> </type> </element> <element id="Observation.hasMember"> <path value="Observation.hasMember" /> <type> <code value="Reference" /> <targetProfile value="https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-Observation" /> <targetProfile value="http://hl7.org/fhir/StructureDefinition/MolecularSequence" /> 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