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Unified Medical Language System® (UMLS®)

RxNorm Current Prescribable Content Release Notes

August Release - 08/01/2011

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

We will begin providing weekly updates to the Current Prescribable Content starting on Wednesday, August 3rd. We will release the weekly updates each Wednesday. The updates will contain new data from SAB=MTHSPL and SAB=RXNORM only, to be used in conjunction with the last monthly release of the Current Prescribable Content.

This subset is in draft form and will change over time. We welcome comments on the content and format. Please contact us at:

Data Counts

Term Type or AttributeNumber
Active GPCK forms 286
Active BPCK forms 363
Active SCD forms 15,715
Active SBD forms 10,059
Active RXNORM MIN atoms 1,469
Active RXNORM IN atoms 2,925
Active RXNORM PIN atoms 416
Active RXNORM BN atoms 6,263
Active RXNORM DF atoms 98
SAB=RXNORM NDC codes 222,915
Distinct SAB=RXNORM NDC codes 222,915

Last Reviewed: August 1, 2011