Phase II evaluation of clinical coding schemes: completeness, taxonomy, mapping, definitions, and clarity. CPRI Work Group on Codes and Structures.
To compare three potential sources of controlled clinical terminology (READ codes version 3.1, SNOMED International, and Unified Medical Language System (UMLS) version 1.6) relative to attributes of completeness, clinical taxonomy, administrative mapping, term definitions and clarity (duplicate coding rate).
Author(s): Campbell, J R, Carpenter, P, Sneiderman, C, Cohn, S, Chute, C G, Warren, J
DOI: 10.1136/jamia.1997.0040238