| ICD Code | Description |
|---|---|
| Q38 | Other congenital malformations of tongue, mouth and pharynx |
| Q39 | Congenital malformations of esophagus |
| Q40 | Other congenital malformations of upper alimentary tract |
| Q41 | Congenital absence, atresia and stenosis of small intestine |
| Q42 | Congenital absence, atresia and stenosis of large intestine |
| Q43 | Other congenital malformations of intestine |
| Q44 | Congenital malformations of gallbladder, bile ducts and liver |
| Q45 | Other congenital malformations of digestive system |