ICD-10-CM · Chapter 2 · C00-D49
C24 Malignant neoplasm of other and unspecified parts of biliary tract
4 subcodes
Block: Malignant neoplasms of digestive organs (C15-C26)
Excludes 1 (cannot be coded together)
- malignant neoplasm of intrahepatic bile duct (C22.1)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
| C24..0 | Malignant neoplasm of extrahepatic bile duct | Yes |
| C24..1 | Malignant neoplasm of ampulla of Vater | Yes |
| C24..8 | Malignant neoplasm of overlapping sites of biliary tract | Yes |
| C24..9 | Malignant neoplasm of biliary tract, unspecified | Yes |
Last reviewed: September 2026