ActivityDefinition resource (FHIR R4)
ActivityDefinition is the FHIR R4 resource for this resource allows for the definition of some activity to be performed, independent of a particular patient, practitioner, or other performance context.
| Resource | ActivityDefinition |
|---|---|
| FHIR version | R4 (4.0.1) |
| Canonical URL | http://hl7.org/fhir/StructureDefinition/ActivityDefinition |
| Required elements | status (1..1) |
Example
{
"resourceType": "ActivityDefinition",
"id": "activitydefinition-341decdee0df2f4ac0ca3b2833870554",
"status": "draft"
}Generated by the Pidgeon engine: pidgeon generate ActivityDefinition --seed 20260722.
Validation context
- strict pidgeon validate grades a ActivityDefinition instance against the base R4 structure definition: missing required elements raise REQUIRED_FIELD_MISSING and cardinality violations raise CARDINALITY_MIN or CARDINALITY_MAX.(REQUIRED_FIELD_MISSING)
This answer, in your terminal
pidgeon lookup ActivityDefinitionWire it into your AI agent:
claude mcp add pidgeon -- npx -y @pidgeonhealth/mcpDownload Post free to browse this reference with generation attached.