C22.1Billable

Intrahepatic bile duct carcinoma

Chapter
2. Neoplasms
Category
C22
Effective date
October 1, 2026

Related codes in category C22

Frequently asked questions

What is ICD-10 code C22.1?

C22.1 is an ICD-10-CM diagnosis code for Intrahepatic bile duct carcinoma.

Is C22.1 a billable code?

Yes. C22.1 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is C22.1 in?

C22.1 falls under Chapter 2: Neoplasms.

When did C22.1 become effective?

C22.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to C22.1?

C22.1 belongs to category C22, which includes 8 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.