Categories of CCCs and Corresponding Four-Digit ICD-9Codes
| Categories | Subcategories | ICD-9Codes |
|---|---|---|
| Neuromuscular | Brain and spinal cord malformations | 740.0–742.9 |
| Mental retardation | 318.0–318.2 | |
| Central nervous system degeneration and disease | 330.0–330.9, 334.0–334.2, 335.0–335.9 | |
| Infantile cerebral palsy | 343.0–343.9 | |
| Muscular dystrophies and myopathies | 359.0–359.3 | |
| Cardiovascular | Heart and great vessel malformations | 745.0–747.4 |
| Cardiomyopathies | 425.0–425.4, 429.1 | |
| Conduction disorders | 426.0–427.4 | |
| Dysrhythmias | 427.6–427.9 | |
| Respiratory | Respiratory malformations | 748.0–748.9 |
| Chronic respiratory disease | 770.7 | |
| Cystic fibrosis | 277.0 | |
| Renal | Congenital anomalies | 753.0–753.9 |
| Chronic renal failure | 585 | |
| Gastrointestinal | Congenital anomalies | 750.3, 751.1–751.3, 751.6–751.9 |
| Chronic liver disease and cirrhosis | 571.4–571.9 | |
| Inflammatory bowel disease | 555.0–556.9 | |
| Hematologic or immunologic | Sickle cell disease | 282.5–282.6 |
| Hereditary anemias | 282.0–282.4 | |
| Hereditary immunodeficiency | 279.00–279.9, 288.1–288.2, 446.1 | |
| Acquired immunodeficiency | 0420–0421 | |
| Metabolic | Amino acid metabolism | 270.0–270.9 |
| Carbohydrate metabolism | 271.0–271.9 | |
| Lipid metabolism | 272.0–272.9 | |
| Storage disorders | 277.3, 277.5 | |
| Other metabolic disorders | 275.0–275.3, 277.2, 277.4, 277.6, 277.8–277.9 | |
| Other congenital or genetic defect | Chromosomal anomalies | 758.0–758.9 |
| Bone and joint anomalies | 259.4, 737.3, 756.0–756.5 | |
| Diaphragm and abdominal wall | 553.3, 756.6–756.7 | |
| Other congenital anomalies | 759.7–759.9 | |
| Malignancy | Malignant neoplasms | 140.0–208.9, 235.0–239.9 |