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Re: st: Charlson ado

From   sebastian baumeister <>
Subject   Re: st: Charlson ado
Date   Thu, 22 Mar 2007 18:07:03 +0100

Hi Jesse:

Charlson.ado is based on the paper by Quan et a. (2005) Coding algoriths
for defining comorbidities in icd-9-cm and icd-10 administrative data.
Med Care, 43: 1130-39. This paper only includes the enhanced ICD-9-CM
diagnosis codes.


Moore, Jesse schrieb:
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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