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Q44.4

✓ Billable

Choledochal cyst

Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

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✓ No additional coding notes for Q44.4

Clinical Description

ICD-10-CM code Q44.4 represents choledochal cyst. This code falls under the Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory.

Frequently Asked Questions

What is ICD-10 code Q44.4?

ICD-10-CM code Q44.4 is "Choledochal cyst". It belongs to the category: Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0).

Is Q44.4 a billable ICD-10 code?

Yes, Q44.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Related Codes in Q44

Other codes in the same category that may be relevant for differential coding:

Q44.0Agenesis, aplasia and hypoplasia of gallbladderQ44.1Other congenital malformations of gallbladderQ44.2Atresia of bile ductsQ44.3Congenital stenosis and stricture of bile ductsQ44.5Other congenital malformations of bile ductsQ44.6Cystic disease of liverQ44.7Other congenital malformations of liver

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Code Information

CodeQ44.4
BillableYes
ParentQ44
CategoryCongenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)