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RxNorm Release Notes - April 6, 2026

Sources

The following sources have been updated since the previous RxNorm release:

Source Name SAB Version
DrugBank DRUGBANK DRUGBANK5.0_2026_03_05
Gold Standard Drug Database GS GS_2026_03_06
Oracle Health Multum Drug Database MMSL MMSL_2026_03_01
Micromedex RED BOOK MMX MMX_2026_02_27
Metathesaurus FDA Structured Product Labels MTHSPL MTHSPL_2026_03_28
FDB MedKnowledge (formerly NDDF Plus) NDDF NDDF_2026_03_04
RxNorm Vocabulary RXNORM RXNORM_20AA_260406F
USP Compendial Nomenclature USP USP_2026_02_24
Veterans Health Administration National Drug File VANDF VANDF_2026_02_27

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

Source Name SAB Version
Anatomical Therapeutic Chemical Classification System ATC ATC_2026
Vaccines Administered CVX CVX_2026_02_12
Metathesaurus CMS Formulary Reference File MTHCMSFRF MTHCMSFRF_2020
US Edition of SNOMED CT SNOMEDCT_US SNOMEDCT_US_2026_01_31

RxNorm Data Changes

No major changes.

Data Counts

Term Type or Attribute Number
Active RXNORM GPCKs 646
Active RXNORM BPCKs 744
Active RXNORM SCDs 17587
Active RXNORM SBDs 9803
Active RXNORM MINs 3829
Active RXNORM INs 14623
Active RXNORM PINs 3631
Active RXNORM BNs 5172
Active RXNORM DFs 126
Obsolete RXNORM GPCKs 266
Obsolete RXNORM BPCKs 256
Obsolete RXNORM SCDs 20126
Obsolete RXNORM SBDs 12327
Obsolete RXNORM MINs 0
Obsolete RXNORM INs 0
Obsolete RXNORM PINs 0
Obsolete RXNORM BNs 6679
Obsolete RXNORM DFs 65
Editor-suppressed RXNORM SCDs 2175
Editor-suppressed RXNORM SBDs 1815
SAB=RXNORM NDCs 253420
Distinct SAB=RXNORM NDCs 253420

Last Reviewed: April 6, 2026