C22.1 is the ICD-10 code for Malignant neoplasm: Intrahepatic bile duct carcinoma. It is a four-character subcategory of C22 (Malignant neoplasm of liver and intrahepatic bile ducts), the most specific level in the WHO edition. It belongs to the block C15–C26 (Malignant neoplasms of digestive organs) in Chapter II, Neoplasms.
- Code type
- Subcategory (4 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
What C22.1 includes
Conditions and terms that are coded here.
- Cholangiocarcinoma
C22.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
C22.1Karsinom i intrahepatisk gallegang
DC221Kræft i intrahepatiske galdegange
- DC221ACholangiocarcinoma, intrahepatisk
C22.1Intrahepatisches Gallengangskarzinom
C22.1Carcinome du canal biliaire intrahépatique
C22.1carcinoom van intrahepatische galwegen
C22.1Intrahepatic bile duct carcinoma
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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