Table 1.

ICD‐9 Diagnostic Codes

Diagnosis	ICD‐9 Codes
HF	402.01, 402.11, 402.91, 404.91, 404.93, 404.01, 404.03, 428.x
Anemia	648.2.x, 280.x–285.x
Hypertension	437.2, 401.x–405.x
Hyperlipidemia	272.0, 272.2, 272.4
Diabetes mellitus	791.5, V458.5, V539.1, V654.6, 249.x, 250.x
Coronary artery disease	360.1, 360.2, 360.3, 360.4, 360.5, 360.6, 360.7, 360.9, 361.0, 361.1, 361.2, 361.3, 361.4, 361.5, 361.6, 361.7, 361.8, 361.9, 411.0, 411, 411.1, 411.8, 411.89, 412, 412.0, V458.1, V458.2, 429.7, 401.x, 413.x, 414.x
Atrial arrhythmia	427.31, 427.32, 427.0
VT/VF or SCA	427.1, 427.4, 427.41, 427.42, 427.5, V125.3
Lung disease	491.8, 491.9, 492.0, 492.8, 494, 494.0, 494.1, 496, 491.2, 493.x
Chronic renal failure	V420, V451, V451.1, V451.2, V560, V561, V562, V563.1, V563.2, V568, V56, 585.x
Cerebrovascular disease	430, 431, 432.x–435.x, 438.x
Depression	296.2, 296.3, 298.0, 300.4, 309.0, 309.1, 311.0

HF indicates heart failure; VT/VF or SCA, ventricular tachycardia, ventricular fibrillation or sudden cardiac arrest; ICD‐9, International Classification of Diseases, Ninth Revision.

x designates all diagnosis codes under the listed category, e.g., 280.x includes 280.0, 280.1, 280.8, and 280.9.