APPENDIX

International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) Codes Used To Identify Patients With Complex Chronic or Immunocompromising Conditions and Specific Infections for Exclusion

CategorySubcategoryICD-9-CM codes
CardiovascularCardiomyopathies425.0–425.4, 429.1
Conduction disorders426.0–427.4
Dysrhythmias427.6–427.9
Heart and great vessel malformationsr745.0–747.4
GastrointestinalInflammatory bowel disease555.0–556.9
Chronic liver disease and cirrhosis571.4–571.9
Congenital anomalies750.3, 751.1–751.3, 751.6–751.9
Hematologic/ImmunologicHuman immunodeficiency virus infection042
Hereditary immunodeficiency279.00–279.9, 288.1–288.2, 446.1
Hereditary anemias282.0–282.4
Sickle cell disease282.5–282.6
MalignancyMalignant neoplasms140.0–208.9, 235.0–239.9
MetabolicAmino acid metabolism270.0–270.9
Carbohydrate metabolism271.0–271.9
Lipid metabolism272.0–272.9
Storage disorders277.3, 277.5
Other metabolic disorders275.0–275.3, 277.2, 277.4, 277.6, 277.8–277.9
NeuromuscularMental retardation318.0–318.2
Central nervous system degeneration and disease330.0–330.9, 334.0–334.2, 335.0–335.9
Infantile cerebral palsy343.0–343.9
Muscular dystrophies and myopathies359.0–359.3
Brain and spinal cord malformations740.0–742.9
Other Congenital/Genetic defectsBone and joint anomalies259.4, 737.3, 756.0–756.5
Diaphragm and abdominal wall553.3, 756.6–756.7
Chromosomal anomalies758.0–758.9
Other congenital anomalies759.7–759.9
Renal
Chronic renal failure585
Congenital anomalies753.0–753.9
Respiratory
Cystic fibrosis277.0
Respiratory malformations748.0–748.9
Chronic respiratory disease770.7
Specific InfectionsBacterial meningitis320.0–320.9
Urinary tract infection599.0
Septic arthritis711.0, 711.4, 711.6–711.9
Osteomyelitis730.0–730.9
  • Adapted from Feudtner et al19