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RxNorm Release Notes

October Release - 10/03/2022

For additional information about RxNorm releases, including scripts for loading the RxNorm data into Oracle and MySQL databases, read the RxNorm Technical Documentation.


The following sources with version names in bold have been updated since the previous RxNorm release:

Source NameSABVersion
Vaccines Administered CVX CVX_2022_09_15
DrugBank DRUGBANK DRUGBANK5.0_2022_09_01
Gold Standard Drug Database GS GS_2022_09_08
Multum MediSource Lexicon MMSL MMSL_2022_09_01
Micromedex RED BOOK MMX MMX_2022_09_12
FDA Structured Product Labels MTHSPL MTHSPL_2022_09_23
FDB MedKnowledge (formerly NDDF Plus) NDDF NDDF_2022_09_07
RxNorm normalized names and codes RXNORM RXNORM_20AA_221003F
USP Compendial Nomenclature USP USP_2022_09_14
Veterans Health Administration National Drug File VANDF VANDF_2022_08_31

The following sources have not been updated since the previous RxNorm release:

Source NameSABVersion
Anatomical Therapeutic Chemical Classification System ATC ATC_2022
Medical Subject Headings (MeSH) MSH MSH2022_2021_07_20
CMS Formulary Reference File MTHCMSFRF MTHCMSFRF_2020
US Edition of SNOMED CT (drug information) SNOMEDCT_US SNOMEDCT_US_2022_07_31

*Reminder: As of October 2017, Medi-Span data will not be included in the RxNorm or UMLS releases. If you have questions about Medi-Span, please contact:

RxNorm Data Changes

No major changes to report for the October 2022 release.

Upcoming RxNorm Data Changes

Delay in Adding New RxNorm Terminology Term Types

RxNorm previously announced that three new RxNorm Terminology Term Types (TTYs) will be added (see below). However, new TTYs will be delayed until further notice.

New RxNorm TTYs to be added in the future:

  • Semantic Clinical Drug Form Precise (SCDFP)
  • Semantic Clinical Dose Form Group Precise (SCDGP)
  • Semantic Branded Drug Form Precise (SBDFP)

Data Counts

Term Type or AttributeNumber
Active GPCKs471
Active BPCKs543
Active SCDs17246
Active SBDs9432
Active RXNORM MINs3778
Active RXNORM INs13879
Active RXNORM PINs3304
Active RXNORM BNs5072
Active RXNORM DFs122
Obsolete GPCKs255
Obsolete BPCKs218
Obsolete SCDs18772
Obsolete SBDs11268
Obsolete RXNORM MINs0
Obsolete RXNORM INs0
Obsolete RXNORM PINs0
Obsolete RXNORM BNs6217
Obsolete RXNORM DFs63
Editor-suppressed SCDs1904
Editor-suppressed SBDs1572
Distinct SAB=RXNORM NDCs245343

Last Reviewed: October 3, 2022