April Release - 04/04/2011

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	03/13/2011
Medi-Span Master Drug Data Base	MDDB	03/09/2011
Multum MediSource Lexicon	MMSL	03/01/2011
Micromedex RED BOOK	MMX	03/07/2011
FDA National Drug Code Directory	MTHFDA	03/01/2011
FDA Structured Product Labels	MTHSPL	03/28/2011
First DataBank NDDF Plus Source Vocabulary	NDDF	03/16/2011
Veterans Health Administration National Drug File - Reference Terminology	NDFRT	04/04/2011
Veterans Health Administration National Drug File	VANDF	03/04/2011

 

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

Source Name	SAB	Date Updated
Medical Subject Headings (MeSH)	MSH	08/30/2010
SNOMED Clinical Terms (drug information)	SNOMEDCT	01/31/2011

 

Data Changes

There are no significant data changes for this release.

Data Counts

Term Type or Attribute	Number
Active GPCK forms	305
Active BPCK forms	389
Active SCD forms	19,214
Active SBD forms	16,580
Active RXNORM MIN atoms	3,635
Active RXNORM IN atoms	4,953
Active RXNORM PIN atoms	1,549
Active RXNORM BN atoms	15,045
Active RXNORM DF atoms	101
Obsolete GPCK forms	54
Obsolete BPCK forms	25
Obsolete SCD forms	13,893
Obsolete SBD forms	4,062
Obsolete RXNORM MIN atoms	0
Obsolete RXNORM IN atoms	0
Obsolete RXNORM PIN atoms	0
Obsolete RXNORM BN atoms	0
Obsolete RXNORM DF atoms	54
OCD atoms	277,619
Source-asserted NDC codes	789,085
Distinct Source-asserted NDC codes	425,827
SAB=RXNORM NDC codes	230,314
Distinct SAB=RXNORM NDC codes	230,314

Last Reviewed: April 4, 2011