> ## 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.

# UsageContext

> Base StructureDefinition for UsageContext Type: Specifies clinical/business/etc. metadata that can be used to retrieve, index and/or categorize an artifact. This metadata can either be specific to the applicable population (e.g., age category, DRG) or the specific context of care (e.g., venue, care setting, provider of care).

## Properties

| Name      | Required | Type                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | Description                                   |
| --------- | -------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------- |
| id        | No       | string                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | Unique id for inter-element referencing       |
| extension | No       | [Extension](/medical-api/fhir/data-types/extension)\[]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | Additional content defined by implementations |
| code      | Yes      | [Coding](/medical-api/fhir/data-types/coding)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | Type of context being specified               |
| value\[x] | Yes      | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept), [Quantity](/medical-api/fhir/data-types/quantity), [Range](/medical-api/fhir/data-types/range), Reference\<[PlanDefinition](/medical-api/fhir/resources/plandefinition) / [ResearchStudy](/medical-api/fhir/resources/researchstudy) / [InsurancePlan](/medical-api/fhir/resources/insuranceplan) / [HealthcareService](/medical-api/fhir/resources/healthcareservice) / [Group](/medical-api/fhir/resources/group) / [Location](/medical-api/fhir/resources/location) / [Organization](/medical-api/fhir/resources/organization)> | Value that defines the context                |