List of ICD-9 codes used for the various clinically relevant categories
| Clinically relevant categories | ICD-9-CM codes |
|---|---|
| Infections | 001–139; 320–326; 372.0; 373.4–373.5; 376.0–376.1; 380.1; 381.0–381.5; 382; 383.0–383.3; 383.9; 390–398; 420–422; 460–466; 473–475; 480–490; 494; 510; 511.0–511.1; 523.3; 540; 580; 590; 595; 599.0; 604; 614; 616.0–616.4; 646.6; 658.4; 675; 680–699; 711; 730; 780.3; 780.6; V04.8; V12.0; V18.8; V75 (exclude 090) |
| Respiratory | 470–472; 476–478; 491–493; 495–508; 511.8–519.9; 786; V17.5–V17.6; V42.6; V71.2 (exclude 516.9; 786.6) |
| Gastrointestinal tract | 530–578; 783; 787; 789; 793.4; V12.7; V18.5; V55.0–V55.4 (exclude 540) |
| Central nervous system | 331–359.9 (exclude 335.0; 359.0–359.3) |
| Mental | 290–319; V11; V17.0; V18.4; V40; V62.8–V62.9; V66.3; V67.3; V71.0; V79 |
| Congenital anomalies | 090; 228.0–228.1; 243; 255.2; 270.0–271.3; 272.6–272.7; 275.1–275.4; 276.3; 277.0–277.2; 277.5; 282; 286; 288.2; 330; 335.0; 359.0–359.3; 362.7; 371.5; 389.1; 457.8; 524.0; 579.0; 579.8–579.9; 593.0; 593.7; 648.5; 654.0; 654.6–654.8; 740–759.9; 762.8; 771.0–771.2; 776.5; 778.0; 778.6; V13.6; V19.5; V82.4 |
| Oral cavity | 520–529; V41.6; V53.4; V58.5; V72.2 (exclude 523.3; 524.0) |
| Perinatal period | 760–779; V13.7 (exclude 762.8; 771.0–771.2; 776.5; 778.0; 778.6) |
| Injury and poisoning | 800–999; V15.5–V15.6; V66.4; V67.4; V71.3–V71.6; V82.5 |
| Social admissions | V20; V60–V65, (exclude V62.8–V62.9) |
| Renal/genital | 250.4; 581–589; 591–629; 646.2; 788; 791; 793.5; 794.4; V18.6–V18.7; V43.5; V50.2; V53.6; V55.6; V56.0–V56.8; V59.4 (exclude 593.0; 593.4; 593.7; 595; 599.0; 604; 614; 616.0–616.4) |
| Neoplasms | 140–239; V10; V16; V58.0–V58.1; V66.1–V66.2; V67.1–V67.2; V71.1; V76 (exclude 228.0–228.1) |
| Pregnancy/newborn and birth admission (all excluded) | 630–676; V22–V29; V30–V39; (exclude 646.2; 646.6; 648.5; 654.0; 654.6–654.8; 675) |
| All other | All other codes not included above |