D37.6

✓ Billable

Neoplasm of uncertain behavior of liver, gallbladder and bile ducts

Neoplasms (C00-D49)

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Also Known As

Neoplasm of uncertain behavior of ampulla of Vater

❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

  • stromal tumors of uncertain behavior of digestive system (D48.1-)

Clinical Description

ICD-10-CM code D37.6 represents neoplasm of uncertain behavior of liver, gallbladder and bile ducts. This code falls under the Neoplasms (C00-D49) 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. Coders should note that D37.6 has 1 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code D37.6?

ICD-10-CM code D37.6 is "Neoplasm of uncertain behavior of liver, gallbladder and bile ducts". It belongs to the category: Neoplasms (C00-D49).

Is D37.6 a billable ICD-10 code?

Yes, D37.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with D37.6?

D37.6 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

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Code Information

CodeD37.6
BillableYes
ParentD37
CategoryNeoplasms (C00-D49)
Excludes11 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)