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Exploration of ICD-9-CM Coding of Chronic Disease within the Elixhauser Comorbidity Measure in Patients with Chronic Heart Failure

Author: Garvin, Jennifer Hornung; Redd, Andrew; Bolton, Dan; Graham, Pauline; Roche, Dominic; Groeneveld, Peter; Leecaster, Molly; Shen, Shuying; Weiner, Mark G

Source: Perspectives in Health Information Management

Publication Date: October 2013


Abstract


Introduction: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes capture comorbidities that can be used to risk adjust nonrandom patient groups. We explored the accuracy of capturing comorbidities associated with one risk adju....