OpenHealthcare

RxNorm

RxNorm Normalized Drug Names

Standardized nomenclature for clinical drugs. Normalized names linking drug vocabularies for medication interoperability.

drugsmedicationspharmacy
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Class Hierarchy

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Use Cases

When and where you'd use this ontology in practice.

01

Medication interoperability between EHR systems

02

Drug interaction checking databases

03

Pharmacy benefit management systems

04

Clinical decision support for prescribing

Details

Maintained By
NLM
License
Open
Public domain (US Government work)US-PD

The normalized names and RXCUI concept layer are public domain. Filter SAB=RXNORM before republishing — the full release bundles MMSL and NDDF, which are not.

Verified against the licence text on 2026-08-07.

Category
Healthcare

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