Q44 Congenital malformations of gallbladder, bile ducts and liver

Category / Non-billable header 11 subcodes

Block: Other congenital malformations of the digestive system (Q38-Q45)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
Q44..0 Agenesis, aplasia and hypoplasia of gallbladder Yes
Q44..1 Other congenital malformations of gallbladder Yes
Q44..2 Atresia of bile ducts Yes
Q44..3 Congenital stenosis and stricture of bile ducts Yes
Q44..4 Choledochal cyst Yes
Q44..5 Other congenital malformations of bile ducts Yes
Q44..6 Cystic disease of liver Yes
Q44..7 Other congenital malformations of liver No
Q44..70 Other congenital malformation of liver, unspecified Yes
Q44..71 Alagille syndrome Yes
Q44..79 Other congenital malformations of liver Yes

Last reviewed: September 2026