Table A2.

Codes for Comorbid Conditions

Comorbid Condition	ICD9 Code
Diabetes with chronic complications	250.40, 250.41, 250.42, 250.43, 250.50, 250.51, 250.52, 250.53, 250.60, 250.61, 250.62, 250.63, 250.70, 250.71, 250.72, 250.73, 250.90, 250.91, 250.92, 250.93
Diabetes with or without chronic complications	249.00, 249.01, 250.00, 250.01, 250.02, 250.03, 250.10, 250.11, 250.12, 250.13, 250.20, 250.21, 250.22, 250.23, 250.30, 250.31, 250.32, 250.33, 250.80, 250.81, 250.82, 250.83, 250.90, 250.91, 250.92, 250.93, 250.40, 250.41, 250.42, 250.43, 250.50, 250.51, 250.52, 250.53, 250.60, 250.61, 250.62, 250.63, 250.70, 250.71, 250.72, 250.73, 250.90, 250.91, 250.92, 250.93
Hypothyroidism	246.9, 794.5, V77.0, 240.9, 243, 244.0, 244.1, 244.2, 244.3, 244.8, 244.9, 246.1, 246.8
Hypercholesterolemia	272.2, 272.4
Hypertension	401.0, 401.1, 401.9, 402.00, 402.01, 402.10, 402.11, 402.90, 402.91
Varicella zoster	053.0, 053.10, 053.11, 053.14, 053.19, 053.20, 053.21, 053.22, 053.29, 053.71, 053.79, 053.8, 053.9
Peripheral vascular disease	093.0, 437.3, 440.0, 440.1, 440.20, 440.21, 440.22, 440.23, 440.24, 440.29, 440.30, 440.31, 440.32, 440.4, 440.8, 440.9, 441.00, 441.01, 441.02, 441.03, 441.1, 441.2, 441.3, 441.4, 441.5, 441.6, 441.7, 441.9, 443.1, 443.21, 443.22, 443.23, 443.24, 443.29, 443.81, 443.82, 443.89, 443.9, 447.1, 557.1, 557.9, V43.4
Autoimmune diseases
Sjögren's syndrome	370.33
Lupus	373.34, 695.4, 71.0
Rheumatoid arthritis	V82.1, 446.0, 446.1, 446.20, 446.21, 446.29, 446.3, 446.4, 446.5, 446.6, 446.7, 701.0, 710.0, 710.1, 710.2, 710.3, 710.4, 710.8, 710.9, 711.20, 711.21, 711.22, 711.23, 711.24, 711.25, 711.26, 711.27, 711.28, 711.29, 714.0, 714.1, 714.2, 714.30, 714.31, 714.32, 714.33, 714.4, 714.81, 714.89, 714.9, 719.30, 719.31, 719.32, 719.33, 719.34, 719.35, 719.36, 719.37, 719.38, 719.39, 720.0, 720.1, 720.2, 720.81, 720.89, 720.9, 725, 728.5, 728.89, 729.30, 729.31, 729.39
Scleroderma	701.0, 701.1, 517.2
Mixed connective tissue disease	710.8
Dermatomyositis	710.3
Polymyositis	710.4
Vasculitis	362.18
Giant cell arteritis	446.5
Kidney disease	250.40, 250.41, 250.42, 250.43, 285.21, 403.00, 403.01, 403.10, 403.11, 403.90, 403.91, 404.00, 404.01, 404.02, 404.03, 404.10, 404.11, 404.12, 404.13, 404.90, 404.91, 404.92, 404.93, 580.89, 580.9, 581.89, 581.9, 582.89, 582.9, 583.6, 583.7, 585.1, 585.2, 585.3, 585.4, 585.5, 585.9, 794.4
Liver disease	571.2, 571.3, 571.5, 571.8, 571.9, 572.8, 573, 573.8, 573.9

Abbreviation: ICD9, International Classification of Diseases (9th revision, clinical modification).