ICD-11 classes
13 Diseases of the digestive system
Diseases of gallbladder or biliary tract
Neoplasms of the gallbladder or biliary tract
2C18 — Malignant neoplasms of perihilar bile duct

ICD-11 2C18 — Malignant neoplasms of perihilar bile duct

“Includes left, right and common hepatic ducts to the origin of the cystic duct”

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 2C18 contains 5 clarifying diagnoses:

1. 2C18.0 — Hilar cholangiocarcinoma
2. 2C18.1 — Mucinous cystic neoplasm with associated invasive carcinoma of perihilar bile duct
3. 2C18.2 — Neuroendocrine neoplasm of perihilar bile duct
4. 2C18.Y — Other specified malignant neoplasms of perihilar bile duct
5. 2C18.Z — Malignant neoplasms of perihilar bile duct, unspecified

The diagnosis is coded elsewhere:

• Malignant neoplasms of digestive organs #1956
• Malignant neoplasms of perihilar bile duct #2097