Supplementary Table 4.

International Classification of Diseases, Ninth Edition, Clinical Modification (ICD 9 -CM) codes for sites of infection (where only 3 or 4-digit codes are listed, all associated subcodes are included).

Category	ICD-9-CM codes
Respiratory	481–486, 510, 513
Blood	790.7, 572.1, 673.3
Endocarditis	112.81, 421
Central nervous system	320, 322, 324, 325
Gastrointestinal/abdominal	003, 008, 540–542, 530.4, 530.86, 562.01, 562.03, 562.11, 562.13, 566, 567, 569.5, 569.83, 572.0, 575.0, 531.1, 531.2, 531.5, 531.6 532.1, 532.2, 532.5, 532.6, 533.1, 533.2, 533.5, 533.6, 534.1, 534.2, 534.5, 534.6
Urinary	590, 599.0
Genital	615, 634.0, 635.0, 636.0, 637.0, 638.0, 639.0, 646.6 658.4
Skin and soft tissue	675.1, 680, 682, 686, 998.5
Bone and joint	711.0, 730
Device-related	996.6