{
  "resourceType": "StructureDefinition",
  "id": "ags",
  "url": "http://fhir.de/StructureDefinition/destatis/ags",
  "version": "1.6.0-ballot",
  "name": "ExtensionDestatisAgs",
  "status": "active",
  "experimental": false,
  "date": "2025-12-23",
  "publisher": "HL7 Deutschland e.V. (Technisches Komitee FHIR)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.de/technische-komitees/fhir/"
        }
      ]
    }
  ],
  "description": "Extension für die Abbildung des Amtlichen Gemeindeschlüssels\nhttps://de.wikipedia.org/wiki/Amtlicher_Gemeindeschlüssel",
  "copyright": "HL7 Deutschland e.V.",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "Address.city"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "http://fhir.de/StructureDefinition/destatis/ags"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "Coding"
          }
        ],
        "example": [
          {
            "label": "AGS Hildesheim",
            "valueCoding": {
              "code": "03254021",
              "system": "http://fhir.de/sid/destatis/ags"
            }
          }
        ]
      },
      {
        "id": "Extension.value[x].system",
        "path": "Extension.value[x].system",
        "min": 1,
        "fixedUri": "http://fhir.de/sid/destatis/ags"
      },
      {
        "id": "Extension.value[x].code",
        "path": "Extension.value[x].code",
        "min": 1,
        "constraint": [
          {
            "key": "ags-extension-1",
            "severity": "error",
            "human": "Der Amtliche Gemeindeschlüssel ist nummerisch und begrenzt auf acht Stellen",
            "expression": "$this.matches('^[0-9]{8}$')",
            "source": "http://fhir.de/StructureDefinition/destatis/ags"
          }
        ]
      }
    ]
  }
}