MCMedicalCodingSoftware
Q44.2

Q44.2: Atresia of bile ducts

Billable / specific codeICD-10-CMPOA exempt

Q44.2 is a billable, specific ICD-10-CM code for atresia of bile ducts. It is valid for submission on a claim.

Check Q44.2 with the rest of the claim: free scrubber

Risk adjustment

Q44.2 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 68 Cholangitis and Obstruction of Bile Duct Without Gallstones0.388 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

Q44.2 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56421Billing and Coding: CT of the Abdomen and Pelvis

Alphabetic index entries that lead here

  • Atresia, atretic›bile duct(common) (congenital) (hepatic)
  • Atresia, atretic›common duct
  • Atresia, atretic›cystic duct
  • Impervious›bile duct

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q44

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.