2026 ICD-10-CM Diagnosis Code Q44Congenital malformations of gallbladder, bile ducts and liver

ICD-10-CM Codes›Q00-Q99›Q38-Q45›Q44

ICD-10-CM Q44
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q44 is a non-billable ICD-10-CM category code for congenital malformations of gallbladder, bile ducts and liver, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Q44.0, Q44.1, Q44.2, and Q44.3.

Code Identity

ICD-10-CM Code
Q44
Billable Status
No — Non-Billable Category
Code Describes
Congenital malformations of gallbladder, bile ducts and liver
Chapter
Q38-Q45
Other congenital malformations of the digestive system

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ38-Q45Other congenital malformations of the digestive system
CategoryQ44Congenital malformations of gallbladder, bile ducts and liver
This CodeQ44Congenital malformations of gallbladder, bile ducts and liver

Specific Coding for Congenital malform of gallbladder, bile ducts and liverOverview

Non-specific codes like Q44 require more characters. Use one of these billable codes instead:

  • Use Q44.0 for Agenesis, aplasia and hypoplasia of gallbladder

  • Use Q44.1 for Other congenital malformations of gallbladder

  • Use Q44.2 for Atresia of bile ducts

  • Use Q44.3 for Congenital stenosis and stricture of bile ducts

  • Use Q44.4 for Choledochal cyst

  • Use Q44.5 for Other congenital malformations of bile ducts

  • Use Q44.6 for Cystic disease of liver

  • Q44.7 for Other congenital malformations of liver

  • Use Q44.70 for Other congenital malformation of liver, unspecified

  • Use Q44.71 for Alagille syndrome

  • Use Q44.79 for Other congenital malformations of liver

Patient EducationClinical

Birth Defects

A birth defect is a problem that happens while a baby is developing in the mother's body. Most birth defects happen during the first 3 months of pregnancy. One out of every 33 babies in the United States is born with a birth defect.

The full article covers:

  • What are birth defects?
  • What causes birth defects?
  • Who is at risk of having a baby with birth defects?
  • How are birth defects diagnosed?
  • What are the treatments for birth defects?
  • Can birth defects be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q44Overview

Is Q44 a billable code?

No. This is a category header that groups the codes for congenital malformations of gallbladder, bile ducts and liver, and headers cannot be submitted on claims. Claims for congenital malformations of gallbladder, bile ducts and liver need a more specific code from this category, such as Q44.0, Q44.1, and Q44.2.