Diagnosis Code

C22.1 INTRAHEPATIC BILE DUCT CARCINOMA


Code Information

Diagnosis Code: C22.1

Short Description: Intrahepatic bile duct carcinoma

Long Description: Intrahepatic bile duct carcinoma

The code C22.1 is VALID for claim submission

Code Classification:

  • Neoplasms (C00–D49)
    • Malignant neoplasms of digestive organs (C15-C26)
      • Malignant neoplasm of liver and intrahepatic bile ducts (C22)
        • C22.1 Intrahepatic bile duct carcinoma

Code Version: 2022 ICD-10-CM


Synonyms

  • Adenocarcinoma of liver and intrahepatic biliary tract
  • Cholangiocarcinoma of biliary tract
  • Cholangiocarcinoma of biliary tract
  • Cholangiocarcinoma of intrahepatic biliary tract
  • Intrahepatic bile duct carcinoma
  • Malignant neoplasm of interlobular bile ducts
  • Malignant neoplasm of intrahepatic canaliculi
  • Malignant neoplasm of intrahepatic gall duct
  • Primary adenocarcinoma of bile duct
  • Primary adenocarcinoma of intrahepatic bile duct
  • Primary carcinoma liver and/or biliary system
  • Primary carcinoma of bile duct
  • Primary cholangiocarcinoma of intrahepatic biliary tract
  • Primary cystadenocarcinoma of intrahepatic bile duct
  • Primary intrahepatic bile duct carcinoma
  • Primary malignant neoplasm of intrahepatic bile duct
  • Squamous cell carcinoma of liver and intrahepatic biliary tract
  • Undifferentiated carcinoma of liver and intrahepatic biliary tract

Diagnostic Related Group(s)

The code C22.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Malignancy Of Hepatobiliary System Or Pancreas With Mcc (435)
  • Malignancy Of Hepatobiliary System Or Pancreas With Cc (436)
  • Malignancy Of Hepatobiliary System Or Pancreas Without Cc/mcc (437)

References to Index of Diseases and Injuries

The code C22.1 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Cholangiocarcinoma
  • Type 1 Excludes Notes:
    • malignant neoplasm of hepatic duct (@C24.0*)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
C22.1 Right Arrow 155.1 Mal neo intrahepat ducts

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
C22 Malignant neoplasm of liver and intrahepatic bile ducts
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


This page was last updated on: 10/1/2023