ATTENTION: new policy on API usage effective December 15, 2014 - please check Terms of Service
  • 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.

    Launch RxNav
    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 Dec 2014 rxnormapi call function Dec 2014
  • RxMix

    RxMix is a web application that allows users to combine functions from the RxNorm, NDF-RT and RxTerms 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 imagerxclass selection image

RxNav brand names

RxMix Video Tutorials

Three new RxMix video tutorials are available:

New Functions in RxMix

The following functions have been added to the RxNorm API list in RxMix:

NDC History Function

A new function to retrieve National Drug Code (NDC) history for any RxNorm concept is now available. The function provides past and present NDCs for a specified concept. See getAllNDCs (SOAP) or /allndcs (REST).

NDC Status Function

A new function to retrieve NDC status has been added to the RxNorm API. The function/resource provides status information on NDCs in RxNorm and includes history information for each NDC. See getNDCStatus (SOAP) or /ndcstatus (REST).
API Usage RxNorm (July 2015) NDF-RT (July 2015)
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By Year: 2015 | 2014 | 2013 | 2012 | 2011