C24.0: Malignant neoplasm of extrahepatic bile duct
C24.0 is a billable, specific ICD-10-CM code for malignant neoplasm of extrahepatic bile duct. It is valid for submission on a claim.
Check C24.0 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Malignant neoplasm of biliary duct or passage NOS
- Malignant neoplasm of common bile duct
- Malignant neoplasm of cystic duct
- Malignant neoplasm of hepatic duct
Other codes that can never be billed with C24.0
Their own Excludes1 notes name this code, so the conflict is not listed above.
- C22.1Intrahepatic bile duct carcinoma
Risk adjustment
C24.0 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 20 Lung and Other Severe Cancers1.136 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
C24.0 is named in 55 Medicare coverage policies: 55 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
- A52479Oral Anticancer Drugs - Policy Article
- A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
- A54768Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy
Alphabetic index entries that lead here
- Klatskin's tumor
- Tumor›Klatskin's
Code history
Unchanged in every release from FY2024 to FY2027.