RxNorm Release Notes - June 1, 2026
Sources
The following sources have been updated since the previous RxNorm release:
| Source Name | SAB | Version |
|---|---|---|
| DrugBank | DRUGBANK | DRUGBANK5.0_2026_05_07 |
| Gold Standard Drug Database | GS | GS_2026_05_08 |
| Oracle Health Multum Drug Database | MMSL | MMSL_2026_05_01 |
| Micromedex RED BOOK | MMX | MMX_2026_05_01 |
| Metathesaurus FDA Structured Product Labels | MTHSPL | MTHSPL_2026_05_23 |
| FDB MedKnowledge (formerly NDDF Plus) | NDDF | NDDF_2026_05_06 |
| RxNorm Vocabulary | RXNORM | RXNORM_20AA_260601F |
| Veterans Health Administration National Drug File | VANDF | VANDF_2026_04_30 |
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_04_21 |
| Metathesaurus CMS Formulary Reference File | MTHCMSFRF | MTHCMSFRF_2020 |
| US Edition of SNOMED CT | SNOMEDCT_US | SNOMEDCT_US_2026_01_31 |
| USP Compendial Nomenclature | USP | USP_2026_02_24 |
RxNorm Data Changes
No major changes.
Data Counts
| Term Type or Attribute | Number |
|---|---|
| Active RXNORM GPCKs | 648 |
| Active RXNORM BPCKs | 739 |
| Active RXNORM SCDs | 17563 |
| Active RXNORM SBDs | 9695 |
| Active RXNORM MINs | 3835 |
| Active RXNORM INs | 14641 |
| Active RXNORM PINs | 3637 |
| Active RXNORM BNs | 5109 |
| Active RXNORM DFs | 126 |
| Obsolete RXNORM GPCKs | 271 |
| Obsolete RXNORM BPCKs | 267 |
| Obsolete RXNORM SCDs | 20254 |
| Obsolete RXNORM SBDs | 12520 |
| Obsolete RXNORM MINs | 0 |
| Obsolete RXNORM INs | 0 |
| Obsolete RXNORM PINs | 0 |
| Obsolete RXNORM BNs | 6769 |
| Obsolete RXNORM DFs | 65 |
| Editor-suppressed RXNORM SCDs | 2171 |
| Editor-suppressed RXNORM SBDs | 1812 |
| SAB=RXNORM NDCs | 248093 |
| Distinct SAB=RXNORM NDCs | 248093 |
Last Reviewed: June 1, 2026