| Q44 | Congenital malformations of gallbladder, bile ducts and liver | NON-BILLABLE CODE |
| Q44.1 | Other congenital malformations of gallbladder | BILLABLE CODE |
| Q44.2 | Atresia of bile ducts | BILLABLE CODE |
| Q44.3 | Congenital stenosis and stricture of bile ducts | BILLABLE CODE |
| Q44.4 | Choledochal cyst | BILLABLE CODE |
| Q44.5 | Other congenital malformations of bile ducts | BILLABLE CODE |
| Q44.6 | Cystic disease of liver | BILLABLE CODE |
| Q44.7 | Other congenital malformations of liver | NON-BILLABLE CODE |
| Q44.70 | Other congenital malformation of liver, unspecified | BILLABLE CODE |
| Q44.71 | Alagille syndrome | BILLABLE CODE |
| Q44.79 | Other congenital malformations of liver | BILLABLE CODE |
