{
  "resourceType": "StructureDefinition",
  "url": "https://fhir.siss.regione.lombardia.it/StructureDefinition/RLObservationLivelloAppropriatezzaVPS",
  "name": "RLObservationLivelloAppropriatezzaVPS",
  "title": "Observation Livello Appropriatezza VPS",
  "status": "draft",
  "date": "2026-10-02",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Observation",
        "path": "Observation",
        "short": "Dimissione - Livello appropriatezza"
      },
      {
        "id": "Observation.status",
        "path": "Observation.status",
        "short": "Stato dell'osservazione",
        "min": 1,
        "max": "1",
        "fixedCode": "final"
      },
      {
        "id": "Observation.code",
        "path": "Observation.code",
        "short": "Codice identificativo",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Observation.code.coding.system",
        "path": "Observation.code.coding.system",
        "short": "Sistema di codifica",
        "min": 0,
        "max": "1",
        "fixedUri": "http://loinc.org"
      },
      {
        "id": "Observation.code.coding.version",
        "path": "Observation.code.coding.version",
        "short": "Versione del sistema di codifica",
        "comment": "Es. LOINC 2.19",
        "min": 0,
        "max": "1"
      },
      {
        "id": "Observation.code.coding.code",
        "path": "Observation.code.coding.code",
        "short": "Valore del codice",
        "min": 0,
        "max": "1",
        "fixedCode": "11283-9"
      },
      {
        "id": "Observation.code.coding.display",
        "path": "Observation.code.coding.display",
        "short": "Descrizione leggibile del codice",
        "min": 0,
        "max": "1",
        "fixedString": "Valutazione Acutezza"
      },
      {
        "id": "Observation.subject",
        "path": "Observation.subject",
        "short": "Soggetto a cui si riferisce l'osservazione",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.siss.regione.lombardia.it/StructureDefinition/RLPatientCore"
            ]
          }
        ]
      },
      {
        "id": "Observation.encounter",
        "path": "Observation.encounter",
        "short": "Episodio di cura a cui si riferisce l'osservazione",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.siss.regione.lombardia.it/StructureDefinition/RLEncounterCore"
            ]
          }
        ]
      },
      {
        "id": "Observation.effective[x]",
        "path": "Observation.effective[x]",
        "short": "Data e ora in cui l'osservazione è stata effettuata o è valida",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "Observation.value[x]",
        "path": "Observation.value[x]",
        "short": "Valore del livello di appropriatezza",
        "comment": "Value Set: https://develop.art-decor.org/ad/#/hl7itig-/terminology/valueset/2.16.840.1.113883.3.1937.777.63.11.8/2018-03-19T00:00:00",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Observation.value[x].coding.system",
        "path": "Observation.value[x].coding.system",
        "short": "Sistema di codifica",
        "min": 0,
        "max": "1"
      },
      {
        "id": "Observation.value[x].coding.version",
        "path": "Observation.value[x].coding.version",
        "short": "Versione del sistema di codifica",
        "min": 0,
        "max": "1"
      },
      {
        "id": "Observation.value[x].coding.code",
        "path": "Observation.value[x].coding.code",
        "short": "Valore del codice",
        "min": 0,
        "max": "1"
      },
      {
        "id": "Observation.value[x].coding.display",
        "path": "Observation.value[x].coding.display",
        "short": "Descrizione leggibile del codice",
        "min": 0,
        "max": "1"
      }
    ]
  }
}