<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://fhir.siss.regione.lombardia.it/StructureDefinition/RLMedicationLDO" />
  <name value="RLMedicationLDO" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Medication" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Medication" />
  <derivation value="constraint" />
  <differential>
    <element id="Medication.code">
      <path value="Medication.code" />
      <short value="Codice del farmaco" />
    </element>
    <element id="Medication.code.coding">
      <path value="Medication.code.coding" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="system" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <short value="Codice e sistema di codifica del farmaco" />
    </element>
    <element id="Medication.code.coding:aic">
      <path value="Medication.code.coding" />
      <sliceName value="aic" />
      <short value="Codice del farmaco secondo la codifica AIC" />
      <binding>
        <strength value="required" />
        <valueSet value="https://fhir.siss.regione.lombardia.it/ValueSet/DDC-FarmacoAIC" />
      </binding>
    </element>
    <element id="Medication.code.coding:aic.system">
      <path value="Medication.code.coding.system" />
      <fixedUri value="https://fhir.siss.regione.lombardia.it/ValueSet/DDC-FarmacoAIC" />
    </element>
    <element id="Medication.code.coding:aic.code">
      <path value="Medication.code.coding.code" />
      <binding>
        <strength value="required" />
        <valueSet value="https://fhir.siss.regione.lombardia.it/ValueSet/DDC-FarmacoAIC" />
      </binding>
    </element>
    <element id="Medication.code.coding:atc">
      <path value="Medication.code.coding" />
      <sliceName value="atc" />
      <short value="Codice del farmaco secondo la codifica ATC" />
      <binding>
        <strength value="required" />
        <valueSet value="https://fhir.siss.regione.lombardia.it/ValueSet/DDC-FarmacoATC" />
      </binding>
    </element>
    <element id="Medication.code.coding:atc.system">
      <path value="Medication.code.coding.system" />
      <fixedUri value="https://fhir.siss.regione.lombardia.it/ValueSet/DDC-FarmacoATC" />
    </element>
    <element id="Medication.code.coding:atc.code">
      <path value="Medication.code.coding.code" />
      <binding>
        <strength value="required" />
        <valueSet value="https://fhir.siss.regione.lombardia.it/ValueSet/DDC-FarmacoATC" />
      </binding>
    </element>
    <element id="Medication.code.coding:gruppoEquivalenza">
      <path value="Medication.code.coding" />
      <sliceName value="gruppoEquivalenza" />
      <short value="Codice del farmaco secondo la codifica Gruppo di Equivalenza (GE)" />
      <binding>
        <strength value="required" />
        <valueSet value="https://fhir.siss.regione.lombardia.it/ValueSet/DDC-FarmacoGE" />
      </binding>
    </element>
    <element id="Medication.code.coding:gruppoEquivalenza.system">
      <path value="Medication.code.coding.system" />
      <fixedUri value="https://fhir.siss.regione.lombardia.it/ValueSet/DDC-FarmacoGE" />
    </element>
    <element id="Medication.code.coding:gruppoEquivalenza.code">
      <path value="Medication.code.coding.code" />
      <binding>
        <strength value="required" />
        <valueSet value="https://fhir.siss.regione.lombardia.it/ValueSet/DDC-FarmacoGE" />
      </binding>
    </element>
    <element id="Medication.form">
      <path value="Medication.form" />
      <short value="powder | tablets | capsule ..." />
      <definition value="Forma farmaceutica" />
    </element>
    <element id="Medication.amount">
      <path value="Medication.amount" />
      <short value="Quantità nella confezione" />
    </element>
    <element id="Medication.ingredient">
      <path value="Medication.ingredient" />
      <short value="Principio attivo" />
    </element>
    <element id="Medication.ingredient.item[x]">
      <path value="Medication.ingredient.item[x]" />
      <short value="Codifica AIC del farmaco se presente" />
      <type>
        <code value="CodeableConcept" />
      </type>
    </element>
    <element id="Medication.ingredient.strength">
      <path value="Medication.ingredient.strength" />
      <short value="Grammatura" />
    </element>
  </differential>
</StructureDefinition>