C24 ICD-10-CM Code: Malignant neoplasm of other and unspecified parts of biliary tract
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
C24Malignant neoplasm of other and unspecified parts of biliary tract
ICD-10-CM diagnosis code · United States clinical modification
Where C24 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of digestive organs (C15-C26)
- 3
Category C24
Malignant neoplasm of other and unspecified parts of biliary tract
- 4
Code C24
Malignant neoplasm of other and unspecified parts of biliary tract
Codes under C24
C24 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for C24.
Code first
No “code first” instruction is listed for C24.
Use additional code
No “use additional code” instruction is listed for C24.
Excludes1
Conditions that should not be reported together with this code.
- malignant neoplasm of intrahepatic bile duct (C22.1)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C24.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code C24 mean?
C24 is the FY 2027 U.S. ICD-10-CM code for “Malignant neoplasm of other and unspecified parts of biliary tract.”
Is C24 a billable or specific ICD-10-CM code?
No. C24 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is C24 located in ICD-10-CM?
C24 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of digestive organs (C15-C26) (C15–C26), under category C24, Malignant neoplasm of other and unspecified parts of biliary tract.
What coding notes are listed for C24?
No inclusion terms are listed for C24 in this reference record. No code-first instruction is listed. Excludes1 notes: malignant neoplasm of intrahepatic bile duct (C22.1). No Excludes2 note is listed.