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