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C22.1 - Intrahepatic bile duct carcinoma


The ICD 10 Code for Intrahepatic bile duct carcinoma is listed as C22.1.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: C22.1
Description: Intrahepatic bile duct carcinoma
  • Cholangiocarcinoma
  • Excludes1: malignant neoplasm of hepatic duct (C24.0)
Diagnostic Related Groups
(MS-DRG v30.0)
435 - Malignancy Of Hepatobiliary System Or Pancreas W Mcc
436 - Malignancy Of Hepatobiliary System Or Pancreas W Cc
437 - Malignancy Of Hepatobiliary System Or Pancreas W/o Cc/mcc
Chapter Neoplasms (C00-D49)
Block Malignant neoplasms of digestive organs (C15-C26)
Parent C22 - Malignant neoplasm of liver and intrahepatic bile ducts
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 155.1 - Malignant neoplasm of intrahepatic bile ducts
ICD-10-CM Siblings (same level / similar specificity) of C22.1:
C22.0 - Liver cell carcinoma
C22.2 - Hepatoblastoma
C22.3 - Angiosarcoma of liver
C22.4 - Other sarcomas of liver
C22.7 - Other specified carcinomas of liver
C22.8 - Malignant neoplasm of liver, primary, unspecified as to type
C22.9 - Malignant neoplasm of liver, not specified as primary or secondary