Comorbidity	ICD-9-CM diagnosis codes	ICD-9-CM Procedure codes/HCPCS codes
Pneumonia	486
Transplant	238.77, 279.5, 996.8, V42, V5844, E8784	001.8, 009.1, 009.2, 009.3, 375.1, 419.4, 469.7, 335, 336, 410, 505, 528, 556
HIV	042, 795.71, V08
Autoimmune disease	279.4, 564.1, 696.0, 696.1, 695.4, 701.0, 710, 714, 720, 725
Cancer	140–172, 174, 175, 179–201, 173.3, 173.9, 202.0, 202.1, 202.3, 203.01, 203.8, 238.6, 273.3, 202.5, 202.6, 202.7, 202.8, 202.9, 232.9, 233.0, 233.1, 338.3, 789.51, 795.82, 799.4, V672	992.5
Infection	001–139, 320–326, 460–466, 480–490, 680–686, 254.1, 373.0, 373.1, 373.2, 382.0, 382.1, 382.2, 382.3, 382.4, 383.0, 422.0, 474.0, 491.1, 513.0, 518.6, 522.5, 522.7, 527.3, 528.3, 569.5, 573.1, 573.2, 573.3, 575.0, 575.1, 599.0, 607.1, 607.2, 608.0, 608.4, 611.0, 616.1, 616.3, 616.4, 616.8, 706.0, 730.0, 730.1, 730.2, 730.3, 730.8, 730.9, 790.7, 790.8, 998.5, 999.3, 372.0, 372.1, 372.2, 372.3, 421.0, 421.1, 572.0, 572.1, 595.0, 595.1, 595.2, 595.3, 595.4, 996.6, 254.1, 373.0, 373.1, 373.2, 382.0, 382.1, 382.2, 382.3, 382.4, 383.0, 422.0, 474.0, 491.1, 513.0, 518.6, 522.5, 522.7, 527.3, 528.3, 569.5, 573.1, 573.2, 573.3, 575.0, 575.1, 599.0, 607.1, 607.2, 608.0, 608.4, 611.0, 616.1, 616.3, 616.4, 616.8, 706.0, 730.0, 730.1, 730.2, 730.3, 730.8, 730.9, 790.7, 790.8, 998.5, 999.3, 372.0, 372.1, 372.2, 372.3, 421.0, 421.1, 572.0, 572.1, 595.0, 595.1, 595.2, 595.3, 595.4, 996.6', 331.81, 386.33, 386.35, 388.60 422.91, 422.92, 422.93 478.21, 478.22, 478.24 478.29, 519.01, 997.62	J3370, J0690, J0713, J0692, J0696, J1580, J3260, J0278, J1840, J1956
Sepsis	038, 995.90, 995.91, 995.92
Diabetes mellitus	250
Stroke	434.01, 434.11, 434.91, 435–438, V1254
Myocardial infarction	410
Chronic obstructive pulmonary disease	490–496, 505, 506.4
Liver disease	070.32, 070.33, 070.54, 456.0, 456.1, 456.20, 456.21, 571, 572.3, 572.8, V427
Hypertension	401, 402.0, 402.90, 402.10, 403, 404.0, 404.10, 404.12, 404.90, 404.92, 405,
Ischemic heart disease	093.2, 402.11, 402.91, 404.11, 404.12, 404.91, 404.93, 411–414, 420–429, 441–445, 447.1, 557.1, 557.9, 746.3, 746.4, 746.5, 746.6, 785.0, V422, V433, V434,V450, V533,	006.6, 360.6, 360.7, 929.82, 929.85, 929.80, 335.10–335.14, 335.16–335.19