<status value="active" /> <purpose value="The verification status that applies to the lot number field." /> <fhirVersion value="4.0.1" /> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Immunization" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="https://standards.digital.health.nz/fhir/StructureDefinition/LotNumberVerificationStatus" /> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <type> <code value="CodeableConcept" /> </type> </element> <element id="Extension.value[x].coding"> <path value="Extension.value[x].coding" /> <binding> <strength value="preferred" /> <valueSet value="https://nzhts.digital.health.nz/fhir/ValueSet/lot-number-verification-status" /> </binding> </element> </differential> </StructureDefinition>