OperationOutcome

FHIR resource reporting operation errors and diagnostics.

Definition

It holds one or more issue elements, each with a severity (fatal, error, warning, information), a coded issue type code (e.g. invalid, not-found, processing), a human-readable diagnostics and sometimes an expression (FHIRPath path). It is typically returned in the body of a 4xx/5xx response or as the result of a $ operation.

Origin

Defined in the HL7 FHIR R4 specification, OperationOutcome resource (hl7.org/fhir/R4/operationoutcome.html), maintained by HL7 International.

Example in context

<OperationOutcome><issue><severity value="error"/></issue></OperationOutcome>