{
  "resourceType": "StructureDefinition",
  "url": "https://fhir.siss.regione.lombardia.it/StructureDefinition/RLMedicationRequestPAI",
  "name": "RLMedicationRequestPAI",
  "title": "MedicationRequest PAI",
  "status": "draft",
  "date": "2026-10-28",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "MedicationRequest",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/MedicationRequest",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "MedicationRequest",
        "path": "MedicationRequest",
        "short": "Terapia farmacologica programmata"
      },
      {
        "id": "MedicationRequest.status",
        "path": "MedicationRequest.status",
        "short": "Stato della richiesta",
        "min": 1,
        "max": "1",
        "fixedCode": "active"
      },
      {
        "id": "MedicationRequest.intent",
        "path": "MedicationRequest.intent",
        "short": "Scopo della richiesta",
        "min": 1,
        "max": "1",
        "fixedCode": "order"
      },
      {
        "id": "MedicationRequest.medication[x]",
        "path": "MedicationRequest.medication[x]",
        "short": "Farmaco programmato",
        "comment": "Medication con i codici ATC, AIC e GE. Si usa un'unica Medication per tutti i codici del farmaco.",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://hl7.org/fhir/StructureDefinition/Medication"
            ]
          }
        ]
      },
      {
        "id": "MedicationRequest.subject",
        "path": "MedicationRequest.subject",
        "short": "Paziente a cui si riferisce la prescrizione",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://fhir.siss.regione.lombardia.it/StructureDefinition/RLPatientCore"
            ]
          }
        ]
      },
      {
        "id": "MedicationRequest.note",
        "path": "MedicationRequest.note",
        "short": "Note",
        "min": 0,
        "max": "1"
      },
      {
        "id": "MedicationRequest.note.text",
        "path": "MedicationRequest.note.text",
        "short": "Note",
        "min": 1,
        "max": "1"
      },
      {
        "id": "MedicationRequest.dosageInstruction",
        "path": "MedicationRequest.dosageInstruction",
        "short": "Posologia",
        "min": 0,
        "max": "1"
      },
      {
        "id": "MedicationRequest.dosageInstruction.text",
        "path": "MedicationRequest.dosageInstruction.text",
        "short": "Posologia e note",
        "min": 0,
        "max": "1"
      },
      {
        "id": "MedicationRequest.dosageInstruction.timing",
        "path": "MedicationRequest.dosageInstruction.timing",
        "min": 0,
        "max": "1"
      },
      {
        "id": "MedicationRequest.dosageInstruction.timing.code",
        "path": "MedicationRequest.dosageInstruction.timing.code",
        "short": "Frequenza",
        "comment": "Il binding FHIR timing-abbreviation è preferred: il codice CRS-SISS è ammesso.",
        "min": 0,
        "max": "1"
      },
      {
        "id": "MedicationRequest.dosageInstruction.timing.code.coding",
        "path": "MedicationRequest.dosageInstruction.timing.code.coding",
        "min": 0,
        "max": "1"
      },
      {
        "id": "MedicationRequest.dosageInstruction.timing.code.coding.system",
        "path": "MedicationRequest.dosageInstruction.timing.code.coding.system",
        "short": "Sistema di codifica",
        "min": 0,
        "max": "1",
        "fixedUri": "urn:oid:2.16.840.1.113883.2.9.2.30.3.1.3.13.6.57"
      },
      {
        "id": "MedicationRequest.dosageInstruction.timing.code.coding.code",
        "path": "MedicationRequest.dosageInstruction.timing.code.coding.code",
        "short": "Codice frequenza",
        "min": 0,
        "max": "1"
      },
      {
        "id": "MedicationRequest.dosageInstruction.timing.code.coding.display",
        "path": "MedicationRequest.dosageInstruction.timing.code.coding.display",
        "short": "Descrizione leggibile del codice",
        "min": 1,
        "max": "1"
      },
      {
        "id": "MedicationRequest.dosageInstruction.doseAndRate",
        "path": "MedicationRequest.dosageInstruction.doseAndRate",
        "min": 0,
        "max": "1"
      },
      {
        "id": "MedicationRequest.dosageInstruction.doseAndRate.dose[x]",
        "path": "MedicationRequest.dosageInstruction.doseAndRate.dose[x]",
        "short": "Unità farmaco",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Quantity",
            "profile": [
              "http://hl7.org/fhir/StructureDefinition/SimpleQuantity"
            ]
          }
        ]
      },
      {
        "id": "MedicationRequest.dosageInstruction.doseAndRate.dose[x].value",
        "path": "MedicationRequest.dosageInstruction.doseAndRate.dose[x].value",
        "short": "Unità farmaco",
        "min": 0,
        "max": "1"
      }
    ]
  }
}