<OperationOutcome xmlns="http://hl7.org/fhir">
  <id value="esempio-exception" />
  <issue>
    <severity value="error" />
    <code value="invalid" />
    <details>
      <coding>
        <system value="https://fhir.siss.regione.lombardia.it/ValueSet/OperationOutcome-CodiciErrore" />
        <code value="NOT_PROCESSABLE" />
        <display value="Risorsa non processabile" />
      </coding>
    </details>
  </issue>
</OperationOutcome>