Article · Wikipedia archive · Last revised Jun 11, 2026

RxNorm

RxNorm is US-specific terminology in medicine that contains all medications available on the US market. It can also be used in personal health records applications. RxNorm is part of Unified Medical Language System (UMLS) terminology and is maintained by the United States National Library of Medicine (NLM).

Last revised
Jun 11, 2026
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≈ 1 min
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Wikipedia ↗

RxNorm is US-specific terminology in medicine that contains all medications available on the US market.1 It can also be used in personal health records applications. RxNorm is part of Unified Medical Language System (UMLS) terminology and is maintained by the United States National Library of Medicine (NLM).2

Use

As of May 2017, NLM provides six APIs related to RxNorm.3 There is also a web application called RxMix that allows users to access the RxNorm APIs without writing their own programs.4

RxNorm web viewer (RxNav) source ↗
See also

See also

References

References

  1. Bennett, Casey C. (2012). "Utilizing RxNorm to support practical computing applications: Capturing medication history in live electronic health records". Journal of Biomedical Informatics. 45 (4): 634–641. arXiv:1204.4093. doi:10.1016/j.jbi.2012.02.011. PMID 22426081.
  2. "RxNorm Overview". U.S. National Library of Medicine. National Institutes of Health. 25 April 2017.
  3. "APIs". RxNav. U.S. National Library of Medicine. Retrieved 27 May 2017.
  4. "RxMix Tutorial". RxNav. U.S. National Library of Medicine. Retrieved 27 May 2017.
External links