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Unified Medical Language System® (UMLS®)

RxNorm Current Prescribable Content Release Notes

September Release - 09/06/2011

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

This release includes a new attribute, ATN=RXN_PRESCRIBABLE with ATV=Y, which denotes the RxCUIs that are part of the Current Prescribable Content subset. The RxNorm full release also includes the new attribute.

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 355
Active SCD forms 15,451
Active SBD forms 10,205
Active RXNORM MIN atoms 1,482
Active RXNORM IN atoms 2,961
Active RXNORM PIN atoms 421
Active RXNORM BN atoms 6,336
Active RXNORM DF atoms 98
SAB=RXNORM NDC codes 234,469
Distinct SAB=RXNORM NDC codes 234,469

Last Reviewed: September 6, 2011