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Unified Medical Language System® (UMLS®)

RxNorm Release Notes

August Release - 08/03/2015

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 07/10/2015
Medi-Span Master Drug Data Base MDDB 07/08/2015
Multum MediSource Lexicon MMSL 07/01/2015
Micromedex RED BOOK MMX 06/29/2015
FDA Structured Product Labels MTHSPL 07/24/2015
FDB MedKnowledge (formerly NDDF Plus) NDDF 07/08/2015
Veterans Health Administration National Drug File VANDF 06/18/2015


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
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
US Edition of SNOMED CT (drug information) SNOMEDCT_US 01/31/2015


Data Changes

New Injectable Dose Form
For the August release, RxNorm includes one new injectable dose form: Jet 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.

This release also includes many changes to dose forms for injectable products as part of the ongoing prescribable names (TTY=PSN) work.

Data Counts

Term Type or AttributeNumber
Active GPCKs 367
Active BPCKs 414
Active SCDs 20125
Active SBDs 10683
Active RXNORM MINs 3976
Active RXNORM INs 10668
Active RXNORM PINs 2443
Active RXNORM BNs 6432
Active RXNORM DFs 111
Obsolete GPCKs 125
Obsolete BPCKs 112
Obsolete SCDs 14690
Obsolete SBDs 9929
Obsolete RXNORM MINs 0
Obsolete RXNORM INs 0
Obsolete RXNORM PINs 0
Obsolete RXNORM BNs 9235
Obsolete RXNORM DFs 55
Editor-suppressed SCDs 1260
Editor-suppressed SBDs 1093
OCD atoms 337347
Source-asserted NDCs 1364504
Distinct source-asserted NDCs 618862
Distinct SAB=RXNORM NDCs 207987

Last Reviewed: August 5, 2015