November Release - 11/07/2011

This RxNorm Current Prescribable Content release is consistent with the 2011AA 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.

Data Changes

TTY=BN Human/Vet Attributes:
TTY=BN atoms will no longer carry the RXN_HUMAN_DRUG or RXN_VET_DRUG attributes, which denote drugs that are intended for human and/or veterinary use. These attributes will remain attached to the TTY=SBD atoms that are related to the TTY=BN atoms via the 'ingredient_of/has_ingredient' RELA.

Dose Form Group Relationships:
A few of the relationship attributes (RELA) for the recently-released dose form group term types (TTY) have changed to better reflect the relationships between these types of concepts. The following table includes the updated RELAs:

TTY2	RELA	TTY1
DF	isa	DFG
DFG	inverse_isa	DF
SBDF	isa	SBDG
SBDG	inverse_isa	SBDF
SCDF	isa	SCDG
SCDG	inverse_isa	SCDF

Data Counts

Term Type or Attribute	Number
Active GPCK forms	285
Active BPCK forms	358
Active SCD forms	15,602
Active SBD forms	10,172
Active RXNORM MIN atoms	1,498
Active RXNORM IN atoms	2,978
Active RXNORM PIN atoms	424
Active RXNORM BN atoms	6,302
Active RXNORM DF atoms	98
SAB=RXNORM NDC codes	235,496
Distinct SAB=RXNORM NDC codes	235,496

Last Reviewed: November 7, 2011