{ "description": null, "_filename": "CodeableReferenceExtension.StructureDefinition.json", "package_name": "uk.nhsdigital.r4.test", "date": null, "derivation": "constraint", "publisher": null, "fhirVersion": "4.0.1", "name": "CodeableReferenceBackport", "abstract": false, "type": "Extension", "experimental": null, "resourceType": "StructureDefinition", "title": null, "package_version": "2.8.18-prerelease", "status": "draft", "id": "e52a58f1-1f7b-4dc6-b38b-f13571378aec", "kind": "complex-type", "url": "https://fhir.nhs.uk/StructureDefinition/CodeableReference", "context": [ { "type": "element", "expression": "Reference" } ], "version": null, "differential": { "element": [ { "id": "Extension.url", "path": "Extension.url", "fixedUri": "https://fhir.nhs.uk/StructureDefinition/CodeableReference" }, { "id": "Extension.value[x]", "path": "Extension.value[x]", "type": [ { "code": "CodeableConcept" } ] } ] }, "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension" }