Table 5.

Appendix-ICD-9 Codes for Co-morbidities

Co-morbidity	ICD–9 codes
Arthritis	274.x, 696.0, 711.x, 712.x, 713.0, 714.x, 715.x, 716.x, 720.x, 721.x
Asthma	493.x
Cardiovascular disease
Coronary artery disease	410.90A, 410.00–410.02, 410.0–410.7, 410.10–410.12, 410.20–410.22, 410.30–410.32, 410.40–410.42, 410.50–410.52, 410.60–410.62, 410.70–410.72, 410.80–410.82, 410.90–410.92, 411.1, 411.81, 411.89, 413.xx, 414.xx, 36.10–36.17, 36.19,36.2, 36.01, 36.02, 36.09, 36.05, V45.81, V45.82
Cardiac rhythm disorders	426.x-427.x
Cerebrovascular disease	433.x-435.x, 437.0, 437.1, 438.x, 38.11, 38.12, 00.61, 00.62, 00.64, 00.65
Other cardiovascular disease	441.x, 442.x, 443.2, 444.1, 444.9,445.8x
Peripheral vascular disease	440.x, 443.81, 443.9, 444.2–444.8x, 445.0x
COPD	491.x, 492.x, 496.x
Depression	296.2–296.80, 296.82, 296.89, 296.9, 296.90, 298.0, 300.4, 301.12, 311.x
Dyslipidemia	272.0–272.4, 272.9
Hypertension	401.x-404.x, 405.01, 405.09, 405.11, 405.19, 405.99, 416.xx, 437.2, 440.1, 796.2
Microvascular diseases
Nephropathy	250.4, 585.1–585.9, 583.81, 581.81
Retinopathy	250.5, 369.00–369.9, 362.07, 362.01–362.07
Neuropathy	250.6, 358.1, 354.0–355.9, 713.5, 337.1, 357.2
Gastroparesis	536.3, 250.6