{
  "description": "An extension to carry a plan, order or recommendation fulfilled in whole or in part by this immunisation. This is a R5 backport",
  "_filename": "Extension-DataStandardsWales-Immunization.basedOn.json",
  "package_name": "fhir.r4.wales",
  "date": "2025-04-24",
  "derivation": "constraint",
  "publisher": "NHS Wales",
  "fhirVersion": "4.0.1",
  "purpose": "This extension, which is a R5 backport, allows tracing of an authorisation for the Immunisation.",
  "name": "ExtensionDataStandardsWalesImmunizationBasedOn",
  "abstract": false,
  "copyright": "2025 NHS Wales",
  "type": "Extension",
  "experimental": null,
  "resourceType": "StructureDefinition",
  "title": "Extension Data Standards Wales Immunization Based On",
  "package_version": "2.4.0",
  "status": "draft",
  "id": "f67a9505-b7cb-4ab9-861b-92003b5c60c8",
  "kind": "complex-type",
  "url": "http://hl7.org/fhir/5.0/StructureDefinition/Extension-Immunization.basedOn",
  "context": [ {
    "type": "element",
    "expression": "Immunization"
  } ],
  "version": "0.1.1",
  "differential": {
    "element": [ {
      "id": "Extension.extension",
      "max": "0",
      "path": "Extension.extension"
    }, {
      "id": "Extension.url",
      "path": "Extension.url",
      "fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-Immunization.basedOn"
    }, {
      "id": "Extension.value[x]",
      "path": "Extension.value[x]",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "http://hl7.org/fhir/StructureDefinition/CarePlan", "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-MedicationRequest", "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-ServiceRequest", "https://fhir.nhs.wales/StructureDefinition/DataStandardsWales-ImmunizationRecommendation" ]
      } ]
    } ]
  },
  "contact": [ {
    "name": "FHIR Standards",
    "telecom": [ {
      "use": "work",
      "rank": 1,
      "value": "fhir.standards@wales.nhs.uk",
      "system": "email"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}