{
  "resourceType": "StructureDefinition",
  "url": "https://e-lb.de/fhir/StructureDefinition/KK_ELB_Identifier_LBNR",
  "version": "1.0.0",
  "name": "KK_ELB_Identifier_LBNR",
  "status": "draft",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "type": "Identifier",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Identifier",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Identifier.system",
        "path": "Identifier.system",
        "min": 1,
        "fixedUri": "http://fhir.de/sid/bfarm/lbnr",
        "mustSupport": true
      },
      {
        "id": "Identifier.value",
        "path": "Identifier.value",
        "min": 1,
        "constraint": [
          {
            "key": "LaengeLBNR",
            "severity": "error",
            "human": "Eine LBNR muss neunstellig numerisch sein.",
            "expression": "matches('^[0-9]{9}$')"
          }
        ],
        "mustSupport": true
      }
    ]
  }
}