The RxCUI History API was released on September 14th.
  • RxNav

    RxNav is a browser for several drug information sources, including RxNorm, RxTerms and NDF-RT. RxNav finds drugs in RxNorm from the names and codes in its constituent vocabularies.

    rxnav formview image ndfrt moa image rxnav simplified image mesh pa image mesh diazepam  image ndfrt drug image pill imageatc aspirin image atc ammonium image
  • APIs

    Application Program Interfaces (APIs) are available to users to retrieve data from several drug information sources, including RxNorm, NDF-RT and RxTerms.

    Currently there are six APIs available - RxNorm, Prescribable RxNorm, RxClass, NDF-RT, RxTerms and Drug Interaction

    NDF-RT graph Aug 2015 rxnormapi call function Sep 2015
  • RxMix

    RxMix is a web application that allows users to combine functions from seven different APIs to create custom applications that can be run interactively or in a batch mode.

    rxmix flow imagerxmix output image
  • RxClass

    The RxClass Browser is a web application for exploring and navigating through the class hierarchies to find the RxNorm drug members associated with each class.

    rxclass browser image rxclass selection image rxclass Venn diagram

RxNav brand names

new RxCUI History API

The RxCUI History API allows users to get information about any RxNorm concept which has ever been part of the RxNorm data since 2005 when RxNorm was first publically available.

Video Tutorials



newStatus Tab in RxNav

A status tab has been added to provide status and history information for the concept obtained from the RxCUI History API.

High Priority Drug-Drug Interactions Added

A set of high priority drug-drug interactions have been added to the Interactions API and displayable in RxNav. The source is named ONCHigh and contains a list of high-priority drug-drug interactions derived by a panel of experts and contained in a JAMIA article
API example (REST)
API example (SOAP)

NDC Properties Function

A function to retrieve National Drug Code (NDC) properties for an NDC, a Structured Product Label (SPL) or an RxNorm concept is now available. See getNDCProperties (SOAP) or /ndcproperties (REST).

API Usage RxNorm (August 2017) Other APIs (August 2017)
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