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Unified Medical Language System® (UMLS®)

RxNorm Release Notes

July Release - 07/06/2015

This release of RxNorm is consistent with the 2015AA UMLS Metathesaurus release. 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 have been updated since the previous RxNorm release:

Source NameSABDate Updated
Gold Standard Drug Database GS 06/05/2015
Medi-Span Master Drug Data Base MDDB 06/03/2015
Multum MediSource Lexicon MMSL 06/01/2015
Micromedex RED BOOK MMX 06/01/2015
FDA Structured Product Labels MTHSPL 06/26/2015
FDB MedKnowledge (formerly NDDF Plus) NDDF 06/03/2015
Veterans Health Administration National Drug File - Reference Terminology NDFRT 07/06/2015
NDFRT FDASPL relationships NDFRT_FDASPL 07/06/2015
NDFRT FMTSME relationships NDFRT_FMTSME 07/06/2015
Veterans Health Administration National Drug File VANDF 05/21/2015


The following sources have not been updated in this release:

Source NameSABDate Updated
Anatomical Therapeutic Chemical Classification System ATC 2015
Medical Subject Headings (MeSH) MSH 01/26/2015
CMS Formulary Reference File MTHCMSFRF 2014
FDA National Drug Code Directory MTHFDA 06/01/2011
US Edition of SNOMED CT (drug information) SNOMEDCT_US 01/31/2015


Data Changes

New Injectable Dose Form
For the July release, RxNorm includes one new injectable dose form: Pen Injector. This dose form occurs in a few new drugs and some drugs that were in line to be modified in RxNorm already as part of the prescribable names project.

New Topical Dose Form
RxNorm also includes one new topical dose form: Topical Suspension. Only a few new drugs use this dose form.

Data Counts

Term Type or AttributeNumber
Active GPCKs 363
Active BPCKs 416
Active SCDs 20069
Active SBDs 10694
Active RXNORM MINs 3968
Active RXNORM INs 10604
Active RXNORM PINs 2430
Active RXNORM BNs 6469
Active RXNORM DFs 109
Obsolete GPCKs 124
Obsolete BPCKs 109
Obsolete SCDs 14647
Obsolete SBDs 9855
Obsolete RXNORM MINs 0
Obsolete RXNORM INs 0
Obsolete RXNORM PINs 0
Obsolete RXNORM BNs 9180
Obsolete RXNORM DFs 56
Editor-suppressed SCDs 1182
Editor-suppressed SBDs 1032
OCD atoms 336849
Source-asserted NDCs 1360075
Distinct source-asserted NDCs 616847
Distinct SAB=RXNORM NDCs 207267

Last Reviewed: July 6, 2015