C24
C24: Malignant neoplasm of other and unspecified parts of biliary tract
Non-billable headerICD-10-CM
C24 is a non-billable header ICD-10-CM code for malignant neoplasm of other and unspecified parts of biliary tract. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- malignant neoplasm of intrahepatic bile duct (C22.1)
Other codes that can never be billed with C24
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead C24
4 child codes. Green means billable.