RxNorm Release Notes
July Release - 07/05/2011
This release of RxNorm 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.
Sources
The following sources have been updated since the previous RxNorm release:
| Source Name | SAB | Date Updated |
|---|---|---|
| Gold Standard Alchemy | GS | 06/07/2011 |
| Medi-Span Master Drug Data Base | MDDB | 06/08/2011 |
| Multum MediSource Lexicon | MMSL | 06/01/2011 |
| Micromedex RED BOOK | MMX | 06/06/2011 |
| FDA National Drug Code Directory | MTHFDA | 06/01/2011 |
| FDA Structured Product Labels | MTHSPL | 06/27/2011 |
| First DataBank NDDF Plus Source Vocabulary | NDDF | 06/08/2011 |
| Veterans Health Administration National Drug File - Reference Terminology | NDFRT | 07/05/2011 |
| Veterans Health Administration National Drug File | VANDF | 05/24/2011 |
The following sources have not been updated since the previous RxNorm release:
| Source Name | SAB | Date Updated |
|---|---|---|
| Medical Subject Headings (MeSH) | MSH | 02/14/2011 |
| SNOMED Clinical Terms (drug information) | SNOMEDCT | 01/31/2011 |
Data Changes
RxNorm includes a new term type (TTY) - Tall Man Lettering synonym (TMSY) - which can be used to distinguish between commonly confused ingredients and brand names. RxNorm propagates these synonyms to all RxNorm concepts for an ingredient or brand name.
Data Counts
| Term Type or Attribute | Number |
|---|---|
| Active GPCK forms | 311 |
| Active BPCK forms | 385 |
| Active SCD forms | 19,274 |
| Active SBD forms | 16,716 |
| Active RXNORM MIN atoms | 3,653 |
| Active RXNORM IN atoms | 4,978 |
| Active RXNORM PIN atoms | 1,556 |
| Active RXNORM BN atoms | 15,209 |
| Active RXNORM DF atoms | 100 |
| Obsolete GPCK forms | 65 |
| Obsolete BPCK forms | 43 |
| Obsolete SCD forms | 13,764 |
| Obsolete SBD forms | 3,985 |
| 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 | 280,563 |
| Source-asserted NDC codes | 807,576 |
| Distinct Source-asserted NDC codes | 434,390 |
| SAB=RXNORM NDC codes | 236,778 |
| Distinct SAB=RXNORM NDC codes | 236,778 |
Last Reviewed: July 5, 2011