C24.8 – Malignant neoplasm of overlapping sites of biliary tract

ICD-10-CM 2027 diagnosis code · Malignant neoplasms of digestive organs

Billable code

ICD-10-CM code C24.8

Code: C24.8 (claims format: C248)
Description: Malignant neoplasm of overlapping sites of biliary tract
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 2. Neoplasms (C00-D49)
Block: C15-C26 Malignant neoplasms of digestive organs
Parent codes: C24

Notes for C24.8

Applicable to:

Malignant neoplasm involving both intrahepatic and extrahepatic bile ducts
Primary malignant neoplasm of two or more contiguous sites of biliary tract

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

C24 – Malignant neoplasm of other and unspecified parts of biliary tract

Excludes1 (not coded here):

malignant neoplasm of intrahepatic bile duct (C22.1)

Block C15-C26

Excludes1 (not coded here):

Kaposi's sarcoma of gastrointestinal sites (C46.4)

Excludes2 (not included here):

gastrointestinal stromal tumors (C49.A-)

Related codes in C24

Frequently asked questions

What is ICD-10 code C24.8?

C24.8 is the ICD-10-CM code for malignant neoplasm of overlapping sites of biliary tract, in the block C15-C26 (Malignant neoplasms of digestive organs).

Is C24.8 a billable code?

Yes. C24.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does C24.8 belong to?

It belongs to category C24 – Malignant neoplasm of other and unspecified parts of biliary tract.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.