Unified Ontology

The most comprehensive Healthcare & Life-Sciences ontology

One cross-walked knowledge graph spanning Life Sciences, Clinical, Regulatory, Payer and Provider — every concept mapped to the industry's major standards (SNOMED CT, ICD-10/11, LOINC, MedDRA, RxNorm, ATC, HL7 FHIR, CPT/HCPCS, OMOP, CDISC, GS1/UDI, MeSH). Built to power search, tagging, interoperability and compliant data provisioning across the ecosystem.

10000+
Concepts
5+
Domains
15+
Code systems
Select a concept to see its definition, synonyms, standards mappings and relationships.

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