SubstanceSpecification resource (FHIR R4)
SubstanceSpecification is the FHIR R4 resource for the detailed description of a substance, typically at a level beyond what is used for prescribing.
| Resource | SubstanceSpecification |
|---|---|
| FHIR version | R4 (4.0.1) |
| Canonical URL | http://hl7.org/fhir/StructureDefinition/SubstanceSpecification |
| Required elements | none; every top-level element is optional (min 0) in base R4 |
Example
{
"resourceType": "SubstanceSpecification",
"id": "substancespecification-6a654cd66b9072fc1b9acf75954079b4"
}Generated by the Pidgeon engine: pidgeon generate SubstanceSpecification --seed 20260722.
Validation context
- strict pidgeon validate grades a SubstanceSpecification 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 SubstanceSpecificationWire it into your AI agent:
claude mcp add pidgeon -- npx -y @pidgeonhealth/mcpDownload Post free to browse this reference with generation attached.