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st: Charlson ado
I'm working with the Charlson co morbidity ado program. Does anyone
know if ICD-9 procedure codes should be included as well as ICD-9
diagnosis codes? The original Charlson reference (J Chron Dis v 40,
373-383, 1987) only used diagnoses, however Romano's modification that
allowed ICD-9 usage(J Clin Epi v 46, 1075-1079, 1993) does. I'm not
sure which method the writers of the ado file used and could not find
any documentation in the help file.
Jesse Moore, MD
General Surgery Resident
Fletcher Allen Healthcare
University of Vermont
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