C24

Non-billable

Malignant neoplasm of other and unspecified parts of biliary tract

C24 is the ICD-10-CM code for Malignant neoplasm of other and unspecified parts of biliary tract. It is a non-billable category code — use a more specific child code such as C24.0 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Subcodes
4
Edition
FY2026

C00-D49 Neoplasms

Excludes1 — not coded here

  • malignant neoplasm of intrahepatic bile duct (C22.1)

Frequently asked questions

What is ICD-10 code C24?
C24 is the ICD-10-CM code for "Malignant neoplasm of other and unspecified parts of biliary tract". It falls under C00-D49 Neoplasms.
Is C24 a billable code?
No — C24 is a non-billable header code. Use a more specific child code (such as C24.0) for billing.
What are the subcodes of C24?
C24 has 4 more specific child codes, including C24.0, C24.1, C24.8.
What is excluded from C24?
Excludes1 (not coded here): malignant neoplasm of intrahepatic bile duct (C22.1).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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