Q44.5

Other congenital malformations of bile ducts

Billable FY2026 2025-10-01 → 2026-09-30

Instructional notes 4

Q44.5code

Inclusion terms

Accessory hepatic duct
Biliary duct duplication
Congenital malformation of bile duct NOS
Cystic duct duplication

Index entries leading here 16

Aberrant (congenital) — see also Malposition, congenital
- hepatic duct Q44.5
Absence (of) (organ or part) (complete or partial)
- bile, biliary duct, congenital Q44.5
Accessory (congenital)
- biliary duct or passage Q44.5
- cystic duct Q44.5
- hepatic ducts Q44.5
- liver Q44.79
  - duct Q44.5
Agenesis
- bile duct or passage Q44.5
Anomaly, anomalous (congenital) (unspecified type) Q89.9
- biliary duct or passage Q44.5
- common duct Q44.5
- cystic duct Q44.5
- hepatic duct Q44.5
- liver Q44.70
  - duct Q44.5
Malformation (congenital) — see also Anomaly
- bile duct Q44.5
Deformity Q89.9
- bile duct (common) (congenital) (hepatic) Q44.5
- biliary duct or passage (congenital) Q44.5
- cystic duct (congenital) Q44.5
- hepatic duct (congenital) Q44.5
Torsion
- bile duct (common) (hepatic) K83.8
  - congenital Q44.5
Distortion (s) (congenital)
- bile duct or passage Q44.5
- common duct Q44.5
- cystic duct Q44.5
- hepatic duct Q44.5
Duplication, duplex — see also Accessory
- biliary duct (any) Q44.5
- cystic duct Q44.5
Malposition
- congenital
  - biliary duct or passage Q44.5
  - hepatic duct Q44.5
Hypoplasia, hypoplastic
- biliary duct or passage Q44.5
Elongated, elongation (congenital) — see also Distortion
- common bile duct Q44.5
- cystic duct Q44.5
Short, shortening, shortness
- common bile duct, congenital Q44.5
- cystic duct, congenital Q44.5
Dilatation
- common duct (acquired) K83.8
  - congenital Q44.5
- cystic duct (acquired) K82.8
  - congenital Q44.5
Fistula (cutaneous) L98.8
- cystic duct — see also Fistula, gallbladder
  - congenital Q44.5

Alongside this code 7 same parent — Q44

Q44.0 Agenesis, aplasia and hypoplasia of gallbladder Q44.1 Other congenital malformations of gallbladder Q44.2 Atresia of bile ducts Q44.3 Congenital stenosis and stricture of bile ducts Q44.4 Choledochal cyst Q44.6 Cystic disease of liver Q44.7 Other congenital malformations of liver category

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable: yes
Code set: FY2026
Parent: Q44
Block: Q38-Q45
Siblings: 7

Present FY2024–FY2027.