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Table 2 ICD-9-CM codes used to classify mental and somatic disorders

From: Weight changes before and after lurasidone treatment: a real-world analysis using electronic health records

Comorbidities ICD-9-CM codes
Schizophrenia 295.XX
Bipolar disorder 296.01, 296.02, 296.03, 296.04, 296.05, 296.06, 296.40, 296.41, 296.42, 296.43, 296.44, 296.45, 296.46, 296.50, 296.51, 296.52, 296.53, 296.54, 296.55, 296.56, 296.60, 296.61, 296.62, 296.63, 296.64, 296.65, 296.66, 296.7, 296.80, 296.89
Major depressive disorder 296.2X, 296.3X, 311.XX
Substance abuse 296.5x, 303.xx–305.xx
Hypertension 401–405
Hyperlipidemia 272.2–272.4
Diabetes 250.XX
Chronic obstructive pulmonary disease 490–496, 500–505, 506.4
  1. ICD-9-CM The International Classification of Diseases, Ninth Revision, Clinical Modification. ICD-9-CM was the diagnostic coding available in administrative data during the period of this study