Appendix:

ICD-9-CM codes

Infection-related hospitalizations
    septicemia
        038.xx
    bacteremia
        790.7
    endocarditis
        421.x
    pulmonary infections: pneumonia or bronchopneumonia
        480.x, 481, 482.xx, 483.x, 484.x, 485, 486, 487.0
    genitourinary infections: urinary tract or kidney infection, pyelonephritis, pyeloureteritis cystica, or renal/perinephric abscess
        599.0, 590, 590.0x, 590.1x, 590.2, 590.3, 590.8x, 590.9
    gastrointestinal infections: appendicitis, anal/rectal abscess, abscess of intestine, diverticulitis, Clostridium difficile, cholecystitis
        540.x, 541, 566, 008.45, 569.5, 562.11, 574.0x, 574.1, 574.1x, 574.3x, 574.4x, 574.6x, 574.7x, 574.8x, 575.0
    peritonitis
        567.0, 567.1, 567.2x
    soft tissue infections: cellulitis or abscess, necrotizing fasciitis, gas gangrene
        681, 681.0, 681.00, 681.01, 681.1, 681.10, 681.9, 682.x, 728.86, 040.0
    joint or bone infections: pyogenic or infective arthritis, osteomyelitis
        711.0x, 711.9x, 730, 730.0x, 730.2x
Cardiovascular events
    acute myocardial infarction
        410.xx except 410.x2
    unstable angina
        411.1
    stroke
        431.x, 433.x1, 434.x1
    transient ischemic attack
        435.xx