RxNorm
Medical dictionary
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).
01Use
As of May 2017, NLM provides six APIs related to RxNorm. There is also a web application called RxMix that allows users to access the RxNorm APIs without writing their own programs.

Sources and credits
This article is adapted from the Wikipedia article “RxNorm”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- RxNorm web viewer (RxNav).png by Wuser6, CC BY-SA 4.0
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