December Release - 12/06/2010

This release of RxNorm is consistent with the 2010AB UMLS Metathesaurus release. For additional information about RxNorm releases, including scripts for loading the RxNorm data into Oracle and MySQL databases, read the RxNorm Documentation.

Sources

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

Source Name	SAB	Date Updated
Gold Standard Alchemy	GS	11/03/2010
Medi-Span Master Drug Data Base	MDDB	11/03/2010
Multum MediSource Lexicon	MMSL	11/01/2010
Micromedex RED BOOK	MMX	11/01/2010
FDA National Drug Code Directory	MTHFDA	11/01/2010
FDA Structured Product Labels	MTHSPL	11/29/2010
First DataBank NDDF Plus Source Vocabulary	NDDF	11/03/2010
Veterans Health Administration National Drug File	VANDF	10/28/2010

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

Source Name	SAB	Date Updated
Medical Subject Headings (MeSH)	MSH	08/17/2009
Veterans Health Administration National Drug File - Reference Terminology	NDFRT	11/01/2010
SNOMED Clinical Terms (drug information)	SNOMEDCT	07/31/2010

Data Changes

There are no significant data changes for this release.

Data Counts

Term Type or Attribute	Number
Active GPCK forms	302
Active BPCK forms	383
Active SCD forms	19,708
Active SBD forms	16,116
Active RXNORM MIN atoms	3,588
Active RXNORM IN atoms	4,940
Active RXNORM PIN atoms	1,543
Active RXNORM BN atoms	14,523
Active RXNORM DF atoms	100
Obsolete GPCK forms	42
Obsolete BPCK forms	15
Obsolete SCD forms	12,997
Obsolete SBD forms	4,086
Obsolete RXNORM MIN atoms	0
Obsolete RXNORM IN atoms	0
Obsolete RXNORM PIN atoms	0
Obsolete RXNORM BN atoms	0
Obsolete RXNORM DF atoms	55
OCD atoms	267,274
Source-asserted NDC codes	599,633
Distinct Source-asserted NDC codes	353,608
SAB=RXNORM NDC codes	302,558
Distinct SAB=RXNORM NDC codes	302,558

Last Reviewed: December 6, 2010