December Release - 12/05/2011

This release of RxNorm is consistent with the 2011AB 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.

Sources

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

Source Name	SAB	Date Updated
Gold Standard Drug Database	GS	11/04/2011
Medi-Span Master Drug Data Base	MDDB	11/09/2011
Multum MediSource Lexicon	MMSL	11/01/2011
Micromedex RED BOOK	MMX	10/31/2011
Medical Subject Headings (MeSH)	MSH	09/09/2011
FDA Structured Product Labels	MTHSPL	11/28/2011
First DataBank NDDF Plus Source Vocabulary	NDDF	11/09/2011
Veterans Health Administration National Drug File - Reference Terminology	NDFRT	11/07/2011
Veterans Health Administration National Drug File	VANDF	10/25/2011

 

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

Source Name	SAB	Date Updated
FDA National Drug Code Directory	MTHFDA	06/01/2011
SNOMED Clinical Terms (drug information)	SNOMEDCT	07/31/2011

 

Data Changes

This release of RxNorm contains Unified Medical Language System (UMLS) unique identifiers consistent with the 2011AB UMLS release files.

Data Counts

Term Type or Attribute	Number
Active GPCK forms	317
Active BPCK forms	396
Active SCD forms	20,418
Active SBD forms	17,100
Active RXNORM MIN atoms	3,708
Active RXNORM IN atoms	5,006
Active RXNORM PIN atoms	1,569
Active RXNORM BN atoms	15,503
Active RXNORM DF atoms	100
Obsolete GPCK forms	69
Obsolete BPCK forms	38
Obsolete SCD forms	13,026
Obsolete SBD forms	3,881
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	290,002
Source-asserted NDC codes	1,041,479
Distinct Source-asserted NDC codes	489,338
SAB=RXNORM NDC codes	253,426
Distinct SAB=RXNORM NDC codes	253,426

Last Reviewed: April 23, 2012