Skip to main content

Table 1 Diagnoses (in ICD-9-CM format) used to identify comorbidities of interest

From: Medication adherence and utilization in patients with schizophrenia or bipolar disorder receiving aripiprazole, quetiapine, or ziprasidone at hospital discharge: A retrospective cohort study

Comorbidity ICD-9-CM Diagnosis Codes
Depressive disorders 311, 296.2X, 296.3X, 296.5X, 296.82, 300.4, 298.0, 309.0, 309.28, 309.1
Dementia 290.XX, 291.2X, 310.9X, 331.0
Anxiety disorders 300.XX, 301.XX, 309.21
Post-traumatic stress disorder (PTSD) 309.81, 308.XX
Insomnia 780.50, 780.51, 780.53
Other psychoses 297.XX-299.XX, 300.1X, 302.8X, 307.9X
Diabetes 250.XX
Bulimia nervosa 307.51
Impulse-control disorder 312.30
Chronic fatigue syndrome 780.71
Hypertension 401-405
Obesity 278.XX
Arthritis 715-716
Chronic obstructive pulmonary disease (COPD) 496
Cerebrovascular disease 430-438.XX
Coronary heart disease 410-414.XX
Dyslipidemia 272.4
Alcohol/drug abuse 303-305.XX
Suicide/self-harm attempts 300.9, 959.9, E950.X-E959.X