Table 1.

Categories of CCCs and Corresponding Four-Digit ICD-9Codes

CategoriesSubcategoriesICD-9Codes
NeuromuscularBrain and spinal cord malformations740.0–742.9
Mental 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
CardiovascularHeart and great vessel malformations745.0–747.4
Cardiomyopathies425.0–425.4, 429.1
Conduction disorders426.0–427.4
Dysrhythmias427.6–427.9
RespiratoryRespiratory malformations748.0–748.9
Chronic respiratory disease770.7
Cystic fibrosis277.0
RenalCongenital anomalies753.0–753.9
Chronic renal failure585
GastrointestinalCongenital anomalies750.3, 751.1–751.3, 751.6–751.9
Chronic liver disease and cirrhosis571.4–571.9
Inflammatory bowel disease555.0–556.9
Hematologic or immunologicSickle cell disease282.5–282.6
Hereditary anemias282.0–282.4
Hereditary immunodeficiency279.00–279.9, 288.1–288.2, 446.1
Acquired immunodeficiency0420–0421
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
Other congenital or genetic defectChromosomal anomalies758.0–758.9
Bone and joint anomalies259.4, 737.3, 756.0–756.5
Diaphragm and abdominal wall553.3, 756.6–756.7
Other congenital anomalies759.7–759.9
MalignancyMalignant neoplasms140.0–208.9, 235.0–239.9