{
  "description": "If the value is not a proper value, indicates the reason.",
  "_filename": "StructureDefinition-NullFlavor.json",
  "package_name": "rki.emiga.common",
  "date": "2025-09-08",
  "derivation": "constraint",
  "publisher": "Robert Koch-Institut",
  "fhirVersion": "4.0.1",
  "name": "NullFlavor",
  "abstract": false,
  "type": "Extension",
  "experimental": "false",
  "resourceType": "StructureDefinition",
  "title": "Null flavor",
  "package_version": "1.2.0-alpha.13",
  "status": "active",
  "id": "60605621-0fa0-40fb-b643-33af95fe5f50",
  "kind": "complex-type",
  "url": "https://emiga.rki.de/fhir/common/Extension/NullFlavor",
  "context": [ {
    "type": "element",
    "expression": "Element"
  } ],
  "version": "0.1.0",
  "differential": {
    "element": [ {
      "id": "Extension",
      "path": "Extension",
      "short": "Null flavor",
      "definition": "If the value is not a proper value, indicates the reason."
    }, {
      "id": "Extension.extension",
      "max": "0",
      "path": "Extension.extension"
    }, {
      "id": "Extension.url",
      "path": "Extension.url",
      "fixedUri": "https://emiga.rki.de/fhir/common/Extension/NullFlavor"
    }, {
      "id": "Extension.value[x]",
      "min": 1,
      "path": "Extension.value[x]",
      "type": [ {
        "code": "Coding"
      } ],
      "short": "Nicht ermittelbar oder nicht erhoben",
      "binding": {
        "strength": "required",
        "valueSet": "https://emiga.rki.de/fhir/ValueSet/NullFlavor"
      },
      "definition": "Gibt an, warum kein richtiger Wert vorhanden ist.",
      "mustSupport": true
    }, {
      "id": "Extension.value[x].system",
      "min": 1,
      "path": "Extension.value[x].system",
      "patternUri": "http://terminology.hl7.org/CodeSystem/v3-NullFlavor",
      "mustSupport": true
    }, {
      "id": "Extension.value[x].version",
      "path": "Extension.value[x].version",
      "mustSupport": true
    }, {
      "id": "Extension.value[x].code",
      "min": 1,
      "path": "Extension.value[x].code",
      "mustSupport": true
    }, {
      "id": "Extension.value[x].display",
      "path": "Extension.value[x].display",
      "mustSupport": true
    } ]
  },
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}