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RxNorm

Published by National Human Genome Research Institute (NHGRI) | U.S. Department of Health & Human Services | Catalog Last Checked: September 28, 2026 at 08:25 PM
RxNorm provides normalized names for clinical drugs and links its names to many of the drug vocabularies commonly used in pharmacy management and drug interaction software, including those of First Databank, Micromedex, Multum, and Gold Standard Drug Database. By providing links between these vocabularies, RxNorm can mediate messages between systems not using the same software and vocabulary.

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