Unified Medical Language System® (UMLS®)
2012AB ICD-9-CM Source Information
This information is intended to provide users with additional details on the representation of specific vocabulary sources in the Metathesaurus. The information is provided on two pages:
- Source Representation: This page lists specific source data elements and provides information on their representation in the UMLS Metathesaurus.
- Metathesaurus Representation: This page lists UMLS Metathesaurus data elements and traces them back to the specific source data that populates them.