May Release - 05/02/2011
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 | 04/03/2011 |
| Medi-Span Master Drug Data Base | MDDB | 04/06/2011 |
| Multum MediSource Lexicon | MMSL | 04/01/2011 |
| Micromedex RED BOOK | MMX | 04/15/2011 |
| FDA National Drug Code Directory | MTHFDA | 04/01/2011 |
| FDA Structured Product Labels | MTHSPL | 04/25/2011 |
| First DataBank NDDF Plus Source Vocabulary | NDDF | 04/20/2011 |
| Veterans Health Administration National Drug File - Reference Terminology | NDFRT | 05/02/2011 |
| Veterans Health Administration National Drug File | VANDF | 03/27/2011 |
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
Beginning with the May release, RxNorm will include relationships between RxNorm forms with the same ingredient(s), whether base or precise, and dose forms in the same named group. This bidirectional relationship, which has the attribute (RELA) "has_related_form", will link SCDs to SCDs and SBDs to SBDs. For more information, including examples and a list of the groups, visit this link: //www.nlm.nih.gov/research/umls/rxnorm/docs/2011/appendix3.html
Data Counts
| Term Type or Attribute | Number |
|---|---|
| Active GPCK forms | 308 |
| Active BPCK forms | 394 |
| Active SCD forms | 19,340 |
| Active SBD forms | 16,622 |
| Active RXNORM MIN atoms | 3,649 |
| Active RXNORM IN atoms | 4,970 |
| Active RXNORM PIN atoms | 1,554 |
| Active RXNORM BN atoms | 15,128 |
| Active RXNORM DF atoms | 101 |
| Obsolete GPCK forms | 62 |
| Obsolete BPCK forms | 28 |
| Obsolete SCD forms | 13,913 |
| Obsolete SBD forms | 4,059 |
| 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 | 278,946 |
| Source-asserted NDC codes | 797,644 |
| Distinct Source-asserted NDC codes | 429,291 |
| SAB=RXNORM NDC codes | 232,873 |
| Distinct SAB=RXNORM NDC codes | 232,873 |
Last Reviewed: May 2, 2011