> ## Documentation Index
> Fetch the complete documentation index at: https://docs.metriport.com/llms.txt
> Use this file to discover all available pages before exploring further.

# OperationOutcome

> A collection of error, warning, or information messages that result from a system action.

## Properties

| Name | Required | Type | Description |
| - | - | - | - |
| issue | Yes | OperationOutcomeIssue | A single issue associated with the action |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - severity | Yes | code | fatal / error / warning / information |
| - code | Yes | code | Error or warning code |
| - details | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | Additional details about the error |
| - diagnostics | No | string | Additional diagnostic information about the issue |
| - location | No | string\[] | Deprecated: Path of element(s) related to issue |
| - expression | No | string\[] | FHIRPath of element(s) related to issue |

## Search Parameters

None

## Inherited Properties

| Name | Required | Type | Description |
| - | - | - | - |
| id | No | string | Logical id of this artifact |
| meta | No | [Meta](/medical-api/fhir/data-types/meta) | Metadata about the resource |
| implicitRules | No | uri | A set of rules under which this content was created |
| language | No | code | Language of the resource content |
| text | No | [Narrative](/medical-api/fhir/data-types/narrative) | Text summary of the resource, for human interpretation |
| contained | No | Resource\[] | Contained, inline Resources |
| extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored |

To view the FHIR specification for this resource, see [OperationOutcome](https://www.hl7.org/fhir/StructureDefinition/OperationOutcome).


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