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SubstanceNucleicAcid resource (FHIR R4)

SubstanceNucleicAcid is the FHIR R4 resource for nucleic acids are defined by three distinct elements: the base, sugar and linkage.

ResourceSubstanceNucleicAcid
FHIR versionR4 (4.0.1)
Canonical URLhttp://hl7.org/fhir/StructureDefinition/SubstanceNucleicAcid
Required elementsnone; every top-level element is optional (min 0) in base R4

Example

{
  "resourceType": "SubstanceNucleicAcid",
  "id": "substancenucleicacid-fb3167cf1f8dcb257bc44edad0d04e22"
}

Generated by the Pidgeon engine: pidgeon generate SubstanceNucleicAcid --seed 20260722.

Validation context

  • strict pidgeon validate grades a SubstanceNucleicAcid 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 SubstanceNucleicAcid

Wire it into your AI agent:

claude mcp add pidgeon -- npx -y @pidgeonhealth/mcp

Download Post free to browse this reference with generation attached.

FHIR® R4 © Health Level Seven International. FHIR R4 specification content is used under its CC0 license; this page is a derivative work and is not endorsed by HL7 International.

HL7® and FHIR® are registered trademarks of Health Level Seven International.

Published by Pattern Engine LLC (Pidgeon Health).

Rendered from the same machine-readable definitions the Pidgeon engine validates against. Exported from the Pidgeon engine's FHIR R4 definitions (CC0); example generated with seed 20260722.