Directory / Terminology & standards / HDB-0074

RxNorm

National Library of Medicine

HDB-0074

RxNorm is a normalized naming system for generic and branded clinical drugs maintained by the National Library of Medicine, part of the NIH. It provides normalized drug names and links to drug vocabularies commonly used in pharmacy management and drug interaction systems for semantic interoperation.

Category

Terminology

Access

Open access

Region

US

License / terms

Public domain

Data types

drug terminology, medication codes, pharmaceutical vocabulary

drug coding pharmacy medication drug interactions

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Record HDB-0074 · last verified 2026-08-05 · listed in Terminology & standards

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