<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://fhir.siss.regione.lombardia.it/StructureDefinition/RLAllergyIntoleranceCore" />
  <name value="RLAllergyIntoleranceCore" />
  <status value="draft" />
  <date value="2026-08-03" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="AllergyIntolerance" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/AllergyIntolerance" />
  <derivation value="constraint" />
  <differential>
    <element id="AllergyIntolerance">
      <path value="AllergyIntolerance" />
    </element>
    <element id="AllergyIntolerance.clinicalStatus">
      <path value="AllergyIntolerance.clinicalStatus" />
      <short value="Stato clinico attuale dell'allergia/intolleranza" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.clinicalStatus.coding">
      <path value="AllergyIntolerance.clinicalStatus.coding" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.clinicalStatus.coding.system">
      <path value="AllergyIntolerance.clinicalStatus.coding.system" />
      <short value="Identificativo del sistema di codifica" />
      <min value="0" />
      <max value="1" />
      <fixedUri value="http://terminology.hl7.org/CodeSystem/allergyintolerance-clinical" />
    </element>
    <element id="AllergyIntolerance.clinicalStatus.coding.version">
      <path value="AllergyIntolerance.clinicalStatus.coding.version" />
      <short value="Versione del sistema di codifica" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.clinicalStatus.coding.code">
      <path value="AllergyIntolerance.clinicalStatus.coding.code" />
      <short value="Codice che rappresenta lo stato clinico" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.clinicalStatus.coding.display">
      <path value="AllergyIntolerance.clinicalStatus.coding.display" />
      <short value="Descrizione leggibile dello stato clinico" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.type">
      <path value="AllergyIntolerance.type" />
      <short value="allergy | intolerance - Tipo di reazione" />
      <definition value="Definisce se la risorsa rappresenta un'allergia o un'intolleranza." />
    </element>
    <element id="AllergyIntolerance.category">
      <path value="AllergyIntolerance.category" />
      <short value="Categoria dell'agente" />
      <definition value="Categoria dell'agente (food | medication | environment | biologic)." />
      <min value="0" />
    </element>
    <element id="AllergyIntolerance.criticality">
      <path value="AllergyIntolerance.criticality" />
      <short value="Gravita' potenziale della reazione" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.patient">
      <path value="AllergyIntolerance.patient" />
      <short value="Paziente a cui e' riferita l'allergia/intolleranza" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.siss.regione.lombardia.it/StructureDefinition/RLPatientCore" />
      </type>
    </element>
    <element id="AllergyIntolerance.encounter">
      <path value="AllergyIntolerance.encounter" />
      <short value="Episodio clinico in cui è stata fatta la richiesta" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.siss.regione.lombardia.it/StructureDefinition/RLEncounterCore" />
      </type>
    </element>
    <element id="AllergyIntolerance.onset[x]">
      <path value="AllergyIntolerance.onset[x]" />
      <short value="Periodo di insorgenza dell'allergia/intolleranza" />
      <definition value="Periodo di insorgenza dell'allergia/intolleranza" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Period" />
      </type>
    </element>
    <element id="AllergyIntolerance.onsetPeriod.start">
      <path value="AllergyIntolerance.onsetPeriod.start" />
      <short value="Data di inizio" />
      <definition value="Data di inizio dell'allergia/intolleranza." />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.onsetPeriod.end">
      <path value="AllergyIntolerance.onsetPeriod.end" />
      <short value="Data di fine" />
      <definition value="Data di fine dell'allergia/intolleranza." />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.note">
      <path value="AllergyIntolerance.note" />
      <short value="Note aggiuntive in testo libero" />
      <min value="0" />
      <max value="*" />
    </element>
    <element id="AllergyIntolerance.note.text">
      <path value="AllergyIntolerance.note.text" />
      <short value="Note aggiuntive in testo libero" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction">
      <path value="AllergyIntolerance.reaction" />
      <min value="0" />
      <max value="*" />
    </element>
    <element id="AllergyIntolerance.reaction.substance">
      <path value="AllergyIntolerance.reaction.substance" />
      <short value="Agente che ha causato la reazione" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction.substance.coding">
      <path value="AllergyIntolerance.reaction.substance.coding" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction.substance.coding.system">
      <path value="AllergyIntolerance.reaction.substance.coding.system" />
      <short value="OID del sistema di codifica" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction.substance.coding.version">
      <path value="AllergyIntolerance.reaction.substance.coding.version" />
      <short value="Versione del sistema di codifica" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction.substance.coding.code">
      <path value="AllergyIntolerance.reaction.substance.coding.code" />
      <short value="Codice dell'agente" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction.substance.coding.display">
      <path value="AllergyIntolerance.reaction.substance.coding.display" />
      <short value="Descrizione dell'agente" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction.substance.text">
      <path value="AllergyIntolerance.reaction.substance.text" />
      <short value="Testo libero dell'agente" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction.manifestation">
      <path value="AllergyIntolerance.reaction.manifestation" />
      <short value="Sintomi o segni della reazione" />
      <definition value="Value Set ReazioniIntolleranza_PSSIT DYNAMIC per le reazioni da intolleranza; Value Set ReazioniAllergiche_PSSIT DYNAMIC per le reazioni allergiche." />
      <min value="1" />
      <max value="*" />
      <binding>
        <strength value="required" />
        <valueSet value="https://fhir.siss.regione.lombardia.it/ValueSet/ReazioniAllergiche" />
      </binding>
    </element>
    <element id="AllergyIntolerance.reaction.manifestation.coding">
      <path value="AllergyIntolerance.reaction.manifestation.coding" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction.manifestation.coding.system">
      <path value="AllergyIntolerance.reaction.manifestation.coding.system" />
      <short value="Sistema di codifica" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction.manifestation.coding.version">
      <path value="AllergyIntolerance.reaction.manifestation.coding.version" />
      <short value="Versione del sistema di codifica" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction.manifestation.coding.code">
      <path value="AllergyIntolerance.reaction.manifestation.coding.code" />
      <short value="Codice del sintomo" />
      <min value="0" />
      <max value="1" />
      <binding>
        <strength value="required" />
        <valueSet value="https://fhir.siss.regione.lombardia.it/ValueSet/ReazioniAllergiche" />
      </binding>
    </element>
    <element id="AllergyIntolerance.reaction.manifestation.coding.display">
      <path value="AllergyIntolerance.reaction.manifestation.coding.display" />
      <short value="Descrizione del sintomo" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction.manifestation.text">
      <path value="AllergyIntolerance.reaction.manifestation.text" />
      <short value="Testo libero del sintomo" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="AllergyIntolerance.reaction.onset">
      <path value="AllergyIntolerance.reaction.onset" />
      <short value="Data di insorgenza della reazione" />
      <min value="0" />
      <max value="1" />
    </element>
  </differential>
</StructureDefinition>