| Abbreviations | Meaning |
 | CLD | Congenital Limb Deficiency |
 | CRS | Congenital Rubella Syndrome |
 | CLAS | Congenital Localized Absence Of Skin |
 | CDO | Congenital Duodenal Obstruction |
 | CM | Congenital Malformation |
 | CHS | Congenital Hypoventilation Syndrome |
 | CPVD | Congenital Polyvalvular Disease |
 | CS | Congenital Syphilis |
 | CHS | Congenital Heart Surgeons Society [study] |
 | CCAM | Congenital Cystic Adenomatoid Malformation; General Classification Of Medical Procedures [Classification Commune Des Actes Medicaux] |
 | CAMV | Congenital Anomaly Of Mitral Valve |
 | CAH | Congenital Adrenal Hyperplasia |
 | CHED | Congenital Hereditary Endothelial Dystrophy |
 | FCMD | Fukuyama Congenital Muscular Dystrophy |
 | CPL | Caprine Placental Lactogen; Conditioned Pitch Level; Congenital Pulmonary Lymphangiectasia |