C22.1
BillableIntrahepatic bile duct carcinoma
Intrahepatic bile duct carcinoma
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Cholangiocarcinoma
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
Related Codes(7)
C22.0Liver cell carcinoma
C22.2Hepatoblastoma
C22.3Angiosarcoma of liver
C22.4Other sarcomas of liver
C22.7Other specified carcinomas of liver
C22.8Malignant neoplasm of liver, primary, unspecified as to type
C22.9Malig neoplasm of liver, not specified as primary or sec
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(105)
SNOMED CT
- Intrahepatic bile duct carcinoma109842005
- Malignant neoplasm of interlobular bile ducts187773007
- Malignant neoplasm of interlobular biliary canals187776004
- Malignant neoplasm of intrahepatic canaliculi187776004
- Ca intrahepatic bile ducts187777008
- Intrahepatic bile duct cancer187777008
- Malignant neoplasm of intrahepatic bile duct187777008
- Malignant neoplasm of intrahepatic gall duct187777008
- Cholangiocarcinoma of biliary tract312104005
- Primary malignant neoplasm of intrahepatic bile duct447109003
- Primary cholangiocarcinoma of intrahepatic biliary tract721716004
- Primary intrahepatic cholangiocarcinoma721716004
- Squamous cell carcinoma of liver and intrahepatic biliary tract770684008
- Undifferentiated carcinoma of liver and intrahepatic biliary tract770685009
- Adenocarcinoma of liver and intrahepatic biliary tract787091002
- Primary cystadenocarcinoma of intrahepatic bile duct1196846002
- Primary carcinoma of bile duct1196853006
- Primary adenocarcinoma of bile duct1196874007
- Primary intrahepatic bile duct carcinoma1259313008
- Primary carcinoma liver and/or biliary system1259602004
- Cholangiocarcinoma of intrahepatic biliary tract1260050006
- Intrahepatic cholangiocarcinoma1260050006
- Primary undifferentiated carcinoma of liver and intrahepatic biliary tract1268391003
- Primary cholangiocarcinoma of biliary tract1268461009
- Primary squamous cell carcinoma of liver and intrahepatic biliary tract1268541001
- Metastatic cholangiocarcinoma1290690001
- Primary adenocarcinoma of intrahepatic bile duct681751000119106
UMLS
- Bile duct cancerC0206698
- Carcinoma, CholangiocellularC0206698
- Carcinomas, CholangiocellularC0206698
- CholangiocarcinomaC0206698
- Cholangiocarcinoma (morphologic abnormality)C0206698
- Cholangiocarcinoma NOSC0206698
- Cholangiocarcinoma of biliary tractC0206698
- Cholangiocarcinoma of biliary tract (disorder)C0206698
- CholangiocarcinomasC0206698
- Cholangiocellular CarcinomaC0206698
- Cholangiocellular CarcinomasC0206698
- Cholangiocellular carcinomaC0206698
- CholangiosarcomaC0206698
- cholangiocarcinomaC0206698
- cholangiocarcinomasC0206698
- cholangiocellular carcinomaC0206698
- Cholangiocarcinoma of intrahepatic biliary tractC0345905
- Cholangiocarcinoma of intrahepatic biliary tract (disorder)C0345905
- Cholangiocarcinoma, IntrahepaticC0345905
- Cholangiocarcinomas, IntrahepaticC0345905
- ICCC0345905
- ICCAC0345905
- Intrahepatic Bile Duct CarcinomaC0345905
- Intrahepatic Carcinoma of Bile DuctC0345905
- Intrahepatic Carcinoma of the Bile DuctC0345905
- Intrahepatic CholangiocarcinomaC0345905
- Intrahepatic CholangiocarcinomasC0345905
- Intrahepatic bile duct carcinomaC0345905
- Intrahepatic bile duct carcinoma (disorder)C0345905
- Intrahepatic cholangiocarcinomaC0345905
- iCCC0345905
- iCCAC0345905
Clinical Terms
- Cholangiocarcinomas
- Adenocarcinoma of liver and intrahepatic biliary tract
- Squamous cell carcinoma of liver and intrahepatic biliary tract
- Intrahepatic bile duct cancer
- Malignant neoplasm of intrahepatic gall duct
- Cholangiocellular Carcinomas
- ICCA
- Cholangiocarcinoma of biliary tract
- Intrahepatic cholangiocarcinoma
- Bile duct cancer
- Ca intrahepatic bile ducts
- Primary undifferentiated carcinoma of liver and intrahepatic biliary tract
- Metastatic cholangiocarcinoma
- Malignant neoplasm of intrahepatic canaliculi
- Intrahepatic Carcinoma of the Bile Duct
- cholangiocellular carcinoma
- Primary intrahepatic bile duct carcinoma
- Cholangiosarcoma
- Primary squamous cell carcinoma of liver and intrahepatic biliary tract
- Cholangiocarcinoma (morphologic abnormality)
- cholangiocarcinoma
- Cholangiocarcinoma of biliary tract (disorder)
- Undifferentiated carcinoma of liver and intrahepatic biliary tract
- Primary cystadenocarcinoma of intrahepatic bile duct
- Cholangiocarcinoma NOS
- Primary cholangiocarcinoma of intrahepatic biliary tract
- iCC
- Cholangiocarcinoma, Intrahepatic
- Primary adenocarcinoma of intrahepatic bile duct
- Malignant neoplasm of interlobular bile ducts
- Carcinomas, Cholangiocellular
- Primary intrahepatic cholangiocarcinoma
- Intrahepatic bile duct carcinoma (disorder)
- Primary carcinoma liver and/or biliary system
- Primary carcinoma of bile duct
- Primary adenocarcinoma of bile duct
- Intrahepatic Cholangiocarcinomas
- Cholangiocarcinomas, Intrahepatic
- Carcinoma, Cholangiocellular
- Cholangiocarcinoma of intrahepatic biliary tract (disorder)
- Malignant neoplasm of interlobular biliary canals
- Primary cholangiocarcinoma of biliary tract
- Malignant neoplasm of intrahepatic bile duct
- Intrahepatic Carcinoma of Bile Duct
- Cholangiocarcinoma of intrahepatic biliary tract
- Primary malignant neoplasm of intrahepatic bile duct
Frequently Asked Questions
What is the ICD-10 code for intrahepatic bile duct carcinoma?
The ICD-10-CM code for intrahepatic bile duct carcinoma is C22.1. The full clinical description is "Intrahepatic bile duct carcinoma". C22.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code C22.1 mean?
ICD-10-CM code C22.1 represents “Intrahepatic bile duct carcinoma”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.
Is C22.1 a billable code?
Yes, C22.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is C22.1 in?
C22.1 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C22.1?
C22.1 has Excludes1 notes indicating codes that cannot be used together with it, including: Kaposi's sarcoma of gastrointestinal sites (C46.4); malignant neoplasm of biliary tract NOS (C24.9); secondary malignant neoplasm of liver and intrahepatic bile duct (C78.7); and 1 more.
Are additional codes required with C22.1?
Yes, when using C22.1, also report: ; alcohol abuse and dependence (F10.-); hepatitis B (B16.-, B18.0-B18.1); hepatitis C (B17.1-, B18.2).
What SNOMED CT codes does C22.1 map to?
C22.1 maps to 21 SNOMED CT concepts: 787091002, 187777008, 312104005, 1260050006, 109842005, and 16 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for C22.1?
C22.1 is linked to 2 UMLS Concept Unique Identifiers: C0206698, C0345905. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does C22.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like intrahepatic bile duct carcinoma affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of C22.1?
C22.1 maps to the ICD-11 code: 2C12.10 (Intrahepatic cholangiocarcinoma).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.