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Table 2 Chronic conditions and their associated ICD-9 diagnosis and procedure codesa

From: An examination of periodontal treatment and per member per month (PMPM) medical costs in an insured population

Category Code Type ICD-9 codes
Diabetes ICD-9 diagnosis 250–250.93, 357.2, 362.0–362.02, 366.41
Coronary Artery Disease ICD-9 diagnosis 402–402.91, 410–414.9, 428–428.9, 429.0–429.2, 429.7–429.79, 440.0–440.9, 443.0–443.9, 444.0–444.9
Cerebrovascular Disease ICD-9 diagnosis 433–437.19, 437.4–437.49, 437.6–437.69, 437.9–438.9
  1. a International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM), Sixth Edition, U.S. Department of Health and Human Services. Centers for Disease Control and Prevention, National Center for Health Statistics. Hyattsville, MD