Q44.2 ICD-10-CA code: Atresia of bile ducts
Q44.2 is the ICD-10-CA code for “Atresia of bile ducts” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
Q44.2Atresia of bile ducts
ICD-10-CA · Canada · Also written Q442
Index terms
Entries in CIHI’s alphabetical index that lead to Q44.2. Searching the index by the condition the note names is how coders reach this code.
- Atresia, atretic, common duct
- Atresia, atretic, cystic duct
- Impervious (congenital), bile duct
- Atresia, atretic, bile duct (common) (congenital) (hepatic)
Notes for Q44.2
As CIHI prints them, with any note Q44.2 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Where Q44.2 sits
- 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- 2Block Q38-Q45Other congenital malformations of the digestive system
- 3Category Q44Congenital malformations of gallbladder, bile ducts and liver
- 4Valid code Q44.2Atresia of bile ducts
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code Q44.2 mean?
Q44.2 is the ICD-10-CA code for “Atresia of bile ducts” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is Q44.2 in ICD-10-CA?
Q44.2 sits under Q44 Congenital malformations of gallbladder, bile ducts and liver, within Q38-Q45 Other congenital malformations of the digestive system, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
What coding notes apply to Q44.2?
ICD-10-CA lists Excludes notes for Q44.2, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.