ICD-10-CM C24: Malignant neoplasm of other and unspecified parts of biliary tract

ICD-10-CM Diagnosis Code (2025)

Official Description for C24

Malignant neoplasm of other and unspecified parts of biliary tract

Coding Notes & Guidelines for C24

Excludes1: Not Coded Here

malignant neoplasm of intrahepatic bile duct (C22.1)

Inclusion Terms
  • Malignant neoplasm of biliary duct or passage NOS
  • Malignant neoplasm of common bile duct
  • Malignant neoplasm of cystic duct
  • Malignant neoplasm of hepatic duct
Inclusion Terms
  • Malignant neoplasm involving both intrahepatic and extrahepatic bile ducts
  • Primary malignant neoplasm of two or more contiguous sites of biliary tract

Child Codes (More Specific Codes for C24):

About ICD-10-CM Code C24 (Malignant neoplasm of other and unspecified parts of biliary tract)

ICD-10-CM code C24 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM C24 became effective on October 1, 2024.

This page provides detailed information about C24 - Malignant neoplasm of other and unspecified parts of biliary tract. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Malignant neoplasm of other and unspecified parts of biliary tract.