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RxNorm Release Notes - January 5, 2026

Sources

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

Source Name SAB Version
Vaccines Administered CVX CVX_2025_11_26
DrugBank DRUGBANK DRUGBANK5.0_2025_12_04
Gold Standard Drug Database GS GS_2025_12_05
Multum MediSource Lexicon MMSL MMSL_2025_12_01
Micromedex RED BOOK MMX MMX_2025_11_30
Metathesaurus FDA Structured Product Labels MTHSPL MTHSPL_2025_12_27
FDB MedKnowledge (formerly NDDF Plus) NDDF NDDF_2025_12_03
RxNorm Vocabulary RXNORM RXNORM_20AA_260105F
Veterans Health Administration National Drug File VANDF VANDF_2025_11_28

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

Source Name SAB Version
Anatomical Therapeutic Chemical Classification System ATC ATC_2025_02_10
Metathesaurus CMS Formulary Reference File MTHCMSFRF MTHCMSFRF_2020
US Edition of SNOMED CT SNOMEDCT_US SNOMEDCT_US_2025_07_31
USP Compendial Nomenclature USP USP_2025_01_30

RxNorm Data Changes

No major changes.

Data Counts

Term Type or Attribute Number
Active RXNORM GPCKs 648
Active RXNORM BPCKs 747
Active RXNORM SCDs 17584
Active RXNORM SBDs 9753
Active RXNORM MINs 3826
Active RXNORM INs 14609
Active RXNORM PINs 3621
Active RXNORM BNs 5157
Active RXNORM DFs 126
Obsolete RXNORM GPCKs 260
Obsolete RXNORM BPCKs 250
Obsolete RXNORM SCDs 20015
Obsolete RXNORM SBDs 12250
Obsolete RXNORM MINs 0
Obsolete RXNORM INs 0
Obsolete RXNORM PINs 0
Obsolete RXNORM BNs 6650
Obsolete RXNORM DFs 65
Editor-suppressed RXNORM SCDs 2171
Editor-suppressed RXNORM SBDs 1807
SAB=RXNORM NDCs 253434
Distinct SAB=RXNORM NDCs 253434

Last Reviewed: January 5, 2026