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Unified Medical Language System® (UMLS®)

RxNorm Files

The license agreement required for the RxNorm releases is available from: https://www.nlm.nih.gov/databases/umls.html.

The terms and conditions for using RxNorm data is available on the RxNorm Terms of Service page: https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html.

RxNorm Full Monthly Release
November 4, 2024
RxNorm Weekly Updates
November 2024
RxNorm_full_11042024.zip
MD5 checksum: a7a97cc5f55210680b6e3efab5a609d2

Release Notes 11/04/2024

RxNorm Technical Documentation
Current: RxNorm_weekly_11062024.zip
Source Update: MTHSPL - 11/02/2024
MD5 checksum: 59f0da09e6773abf1c780e8f3d6d0d19

Current Prescribable Content Monthly Release
November 4, 2024
Current Prescribable Content Weekly Updates
November 2024
RxNorm_full_prescribe_11042024.zip (no license required)
MD5 checksum: 9e79523109c85564b137ba4098de4e93

Release Notes 11/04/2024

Current Prescribable Content Documentation
Current: RxNorm_weekly_prescribe_11062024.zip
Source Update: MTHSPL - 11/02/2024
MD5 checksum: 2d0b20f0bda84d8af29fc5b00614c933

 

RxNorm files are pipe-delimited text files in Rich Release Format (RRF) with the extension ".RRF". They do not require the use of the MetamorphoSys program provided with the UMLS Knowledge Sources Files. The character set of RxNorm release files is Unicode UTF-8. If you need assistance with these files, please e-mail the RxNorm team at: rxnorminfo@nlm.nih.gov. Please read the README file for the release, which is contained in the release zip package. For additional information about RxNorm releases, including scripts for loading the RxNorm data into Oracle and MySQL databases, read the RxNorm Technical Documentation.

For users who wish to automate the download of the RxNorm releases, steps are available here: https://documentation.uts.nlm.nih.gov/automating-downloads.html. The RxNorm files are also available through generic URLs with the word "current" instead of specific dates. See below for examples.

https://download.nlm.nih.gov/umls/kss/rxnorm/RxNorm_full_current.zip
https://download.nlm.nih.gov/umls/kss/rxnorm/RxNorm_weekly_current.zip



RxNorm Previous Releases

RxNorm files from May 2020 to the present contain data consistent with the 2020AA UMLS Metathesaurus

RxNorm_full_10072024.zip , Release Notes 10/07/2024
       RxNorm_full_prescribe_10072024.zip , Release Notes 10/07/2024

RxNorm_full_09032024.zip , Release Notes 09/03/2024
       RxNorm_full_prescribe_09032024.zip , Release Notes 09/03/2024

RxNorm_full_08052024.zip , Release Notes 08/05/2024
       RxNorm_full_prescribe_08052024.zip , Release Notes 08/05/2024

RxNorm_full_07012024.zip , Release Notes 07/01/2024
       RxNorm_full_prescribe_07012024.zip , Release Notes 07/01/2024

RxNorm_full_06032024.zip , Release Notes 06/03/2024
       RxNorm_full_prescribe_06032024.zip , Release Notes 06/03/2024

RxNorm_full_05062024.zip , Release Notes 05/06/2024
       RxNorm_full_prescribe_05062024.zip , Release Notes 05/06/2024

RxNorm_full_04012024.zip , Release Notes 04/01/2024
       RxNorm_full_prescribe_04012024.zip , Release Notes 04/01/2024

RxNorm_full_03042024.zip , Release Notes 03/04/2024
       RxNorm_full_prescribe_03042024.zip , Release Notes 03/04/2024

RxNorm_full_02052024.zip , Release Notes 02/05/2024
       RxNorm_full_prescribe_02052024.zip , Release Notes 02/05/2024

RxNorm_full_01022024.zip , Release Notes 01/02/2024
       RxNorm_full_prescribe_01022024.zip , Release Notes 01/02/2024

RxNorm_full_12042023.zip , Release Notes 12/04/2023
       RxNorm_full_prescribe_12042023.zip , Release Notes 12/04/2023

RxNorm_full_11062023.zip , Release Notes 11/06/2023
       RxNorm_full_prescribe_11062023.zip , Release Notes 11/06/2023

RxNorm_full_10022023.zip , Release Notes 10/02/2023
       RxNorm_full_prescribe_10022023.zip , Release Notes 10/02/2023

RxNorm_full_09052023.zip , Release Notes 09/05/2023
       RxNorm_full_prescribe_09052023.zip , Release Notes 09/05/2023

RxNorm_full_08072023.zip , Release Notes 08/07/2023
       RxNorm_full_prescribe_08072023.zip , Release Notes 08/07/2023

RxNorm_full_07032023.zip , Release Notes 07/03/2023
       RxNorm_full_prescribe_07032023.zip , Release Notes 07/03/2023

RxNorm_full_06052023.zip , Release Notes 06/05/2023
       RxNorm_full_prescribe_06052023.zip , Release Notes 06/05/2023

RxNorm_full_05012023.zip , Release Notes 05/01/2023
       RxNorm_full_prescribe_05012023.zip , Release Notes 05/01/2023

RxNorm_full_04032023.zip , Release Notes 04/03/2023
       RxNorm_full_prescribe_04032023.zip , Release Notes 04/03/2023

RxNorm_full_03062023.zip , Release Notes 03/06/2023
       RxNorm_full_prescribe_03062023.zip , Release Notes 03/06/2023

RxNorm_full_02062023.zip , Release Notes 02/06/2023
       RxNorm_full_prescribe_02062023.zip , Release Notes 02/06/2023

RxNorm_full_01032023.zip , Release Notes 01/03/2023
       RxNorm_full_prescribe_01032023.zip , Release Notes 01/03/2023

RxNorm Release Archives for 2005-2022

Last Reviewed: November 6, 2024