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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
May 3, 2021
RxNorm Weekly Updates
May 2021
RxNorm_full_05032021.zip
MD5 checksum: 998a1d978577589f65bf490e07849074

Release Notes 05/03/2021

RxNorm Technical Documentation
Current: RxNorm_weekly_05052021.zip
Source Update: MTHSPL - 05/03/2021
MD5 checksum: 7a3f31661c53b76719bca4873cf659a1

Current Prescribable Content Monthly Release
May 3, 2021
Current Prescribable Content Weekly Updates
May 2021
RxNorm_full_prescribe_05032021.zip (no license required)
MD5 checksum: 43ba5851f7ebc2b7db40d7f30684e96a

Release Notes 05/03/2021

Current Prescribable Content Documentation
Current: RxNorm_weekly_prescribe_05052021.zip
Source Update: MTHSPL - 05/03/2021
MD5 checksum: 5b050a31c0aed8dd577b3d531a10ba73

 

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.



RxNorm Previous Releases

RxNorm Files Consistent with 2020AA UMLS Metathesaurus

RxNorm_full_04052021.zip, Release Notes 04/05/2021
       RxNorm_full_prescribe_04052021.zip, Release Notes 04/05/2021

RxNorm_full_03012021.zip, Release Notes 03/01/2021
       RxNorm_full_prescribe_03012021.zip, Release Notes 03/01/2021

RxNorm_full_02012021.zip, Release Notes 02/01/2021
       RxNorm_full_prescribe_02012021.zip, Release Notes 02/01/2021

RxNorm_full_01042021.zip, Release Notes 01/04/2021
       RxNorm_full_prescribe_01042021.zip, Release Notes 01/04/2021

RxNorm_full_12072020.zip, Release Notes 12/07/2020
       RxNorm_full_prescribe_12072020.zip, Release Notes 12/07/2020

RxNorm_full_11022020.zip, Release Notes 11/02/2020
       RxNorm_full_prescribe_11022020.zip, Release Notes 11/02/2020

RxNorm_full_10052020.zip, Release Notes 10/05/2020
       RxNorm_full_prescribe_10052020.zip, Release Notes 10/05/2020

RxNorm_full_09082020.zip, Release Notes 09/08/2020
       RxNorm_full_prescribe_09082020.zip, Release Notes 09/08/2020

RxNorm_full_08032020.zip, Release Notes 08/03/2020
       RxNorm_full_prescribe_08032020.zip, Release Notes 08/03/2020

RxNorm_full_07062020.zip, Release Notes 07/06/2020
       RxNorm_full_prescribe_07062020.zip, Release Notes 07/06/2020

RxNorm_full_06012020.zip, Release Notes 06/01/2020
       RxNorm_full_prescribe_06012020.zip, Release Notes 06/01/2020

RxNorm_full_05042020.zip, Release Notes 05/04/2020
       RxNorm_full_prescribe_05042020.zip, Release Notes 05/04/2020

RxNorm Files Consistent with 2019AB UMLS Metathesaurus

RxNorm_full_04062020.zip, Release Notes 04/06/2020
       RxNorm_full_prescribe_04062020.zip, Release Notes 04/06/2020

RxNorm_full_03022020.zip, Release Notes 03/02/2020
       RxNorm_full_prescribe_03022020.zip, Release Notes 03/02/2020

RxNorm_full_02032020.zip, Release Notes 02/03/2020
       RxNorm_full_prescribe_02032020.zip, Release Notes 02/03/2020

RxNorm_full_01062020.zip, Release Notes 01/06/2020
       RxNorm_full_prescribe_01062020.zip, Release Notes 01/06/2020

RxNorm_full_12022019.zip, Release Notes 12/02/2019
       RxNorm_full_prescribe_12022019.zip, Release Notes 12/02/2019

RxNorm_full_11042019.zip, Release Notes 11/04/2019
       RxNorm_full_prescribe_11042019.zip, Release Notes 11/04/2019

RxNorm Files Consistent with 2019AA UMLS Metathesaurus

RxNorm_full_10072019.zip, Release Notes 10/07/2019
       RxNorm_full_prescribe_10072019.zip, Release Notes 10/07/2019

RxNorm_full_09032019.zip, Release Notes 09/03/2019
       RxNorm_full_prescribe_09032019.zip, Release Notes 09/03/2019

RxNorm_full_08052019.zip, Release Notes 08/05/2019
       RxNorm_full_prescribe_08052019.zip, Release Notes 08/05/2019

RxNorm_full_07012019.zip, Release Notes 07/01/2019
       RxNorm_full_prescribe_07012019.zip, Release Notes 07/01/2019

RxNorm_full_06032019.zip, Release Notes 06/03/2019
       RxNorm_full_prescribe_06032019.zip, Release Notes 06/03/2019

RxNorm_full_05062019.zip, Release Notes 05/06/2019
       RxNorm_full_prescribe_05062019.zip, Release Notes 05/06/2019

RxNorm Files Consistent with 2018AB UMLS Metathesaurus

RxNorm_full_04012019.zip, Release Notes 04/01/2019
       RxNorm_full_prescribe_04012019.zip, Release Notes 04/01/2019

RxNorm_full_03042019.zip, Release Notes 03/04/2019
       RxNorm_full_prescribe_03042019.zip, Release Notes 03/04/2019

RxNorm_full_02042019.zip, Release Notes 02/04/2019
       RxNorm_full_prescribe_02042019.zip, Release Notes 02/04/2019

RxNorm_full_01072019.zip, Release Notes 01/07/2019
       RxNorm_full_prescribe_01072019.zip, Release Notes 01/07/2019

RxNorm_full_12032018.zip, Release Notes 12/03/2018
       RxNorm_full_prescribe_12032018.zip, Release Notes 12/03/2018

RxNorm_full_11052018.zip, Release Notes 11/05/2018
       RxNorm_full_prescribe_11052018.zip, Release Notes 11/05/2018

RxNorm Files Consistent with 2018AA UMLS Metathesaurus

RxNorm_full_10012018.zip, Release Notes 10/01/2018
       RxNorm_full_prescribe_10012018.zip, Release Notes 10/01/2018

RxNorm_full_09042018.zip, Release Notes 09/04/2018
       RxNorm_full_prescribe_09042018.zip, Release Notes 09/04/2018

RxNorm_full_08062018.zip, Release Notes 08/06/2018
       RxNorm_full_prescribe_08062018.zip, Release Notes 08/06/2018

RxNorm_full_07022018.zip, Release Notes 07/02/2018
       RxNorm_full_prescribe_07022018.zip, Release Notes 07/02/2018

RxNorm_full_06042018.zip, Release Notes 06/04/2018
       RxNorm_full_prescribe_06042018.zip, Release Notes 06/04/2018

RxNorm_full_05072018.zip, Release Notes 05/07/2018
       RxNorm_full_prescribe_05072018.zip, Release Notes 05/07/2018

RxNorm Release Archives for 2005-2018

Last Reviewed: May 3, 2021