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Unified Medical Language System® (UMLS®)

American English Equivalent of Synthesized Terms from the Clinical Terms Version 3 Source Information

Description
This is the Americanized Version of the Synthesized Terms of Clinical Terms Version 3 (CTV3).

The Read Codes, now known as Clinical Terms, are included in the Metathesaurus. For more information about Read Codes in the Metathesaurus, see the CTV3 source synopsis.

Metathesaurus Update Frequency
The Americanized Version of the Synthesized Terms of CTV3 was last updated in the Metathesaurus in 2000.