C24.0

Billable

Malignant neoplasm of extrahepatic bile duct

Status

Billable / Specific

Chapter

2: Neoplasms

Block

C15-C26

Parent Code

C24

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

Malignant neoplasm of biliary duct or passage NOS
Malignant neoplasm of common bile duct
Malignant neoplasm of cystic duct
Malignant neoplasm of hepatic duct

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

•gastrointestinal stromal tumorsA-)C49

Related Codes(3)

C24.1

Malignant neoplasm of ampulla of Vater

Billable C24.8

Malignant neoplasm of overlapping sites of biliary tract

Billable C24.9

Malignant neoplasm of biliary tract, unspecified

Billable

ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

2C17.ZMalignant neoplasms of other or unspecified parts of biliary tract, unspecifiedequivalentPrimary

Also Known As / Clinical Terms(114)

SNOMED CT

UMLS

Clinical Terms

Malignant neoplasm of biliary duct or passage NOS
Primary Klatskin tumour
Primary carcinoma of extrahepatic bile duct
Primary malignant neoplasm of gallbladder
Cholangiocarcinoma of biliary tract
Klatskin tumor
Malignant neoplasm of hepatic duct
Malignant neoplasm of hepatic duct (disorder)
Malignant tumor of extrahepatic bile duct
Malignant mesenchymal neoplasm of bile duct
Malignant neoplasm of ampulla of Vater
Primary carcinoma common bile duct
Primary squamous cell carcinoma of gallbladder and extrahepatic biliary tract
Primary cholangiocarcinoma of perihilar bile duct
Carcinoma of extrahepatic bile duct
Primary perihilar cholangiocarcinoma
Malignant Extrahepatic Bile Duct Tumor
Extrahepatic bile duct cancer
Primary malignant neoplasm of common bile duct
Perihilar cholangiocarcinoma
Malignant neoplasm of sphincter of Oddi
Malignant Tumor of the Extrahepatic Bile Duct
Malignant neoplasm of cystic duct
Malignant tumour of ampulla of Vater
Primary malignant mesenchymal neoplasm of bile duct
Squamous cell carcinoma of gallbladder and extrahepatic biliary tract
Primary Klatskin tumor
Klatskin tumour
Cholangiocarcinoma of perihilar bile duct
Primary mucinous cystic neoplasm with associated invasive carcinoma of distal bile duct
Primary adenocarcinoma of cystic duct
Primary malignant neoplasm of cystic duct
Malignant neoplasm of extrahepatic bile duct (disorder)
Primary malignant neoplasm of extrahepatic bile duct
Primary carcinoma liver and/or biliary system
Primary carcinoma of bile duct
Primary malignant neoplasm of distal bile duct
Primary malignant neoplasm of perihilar bile duct
Primary adenocarcinoma of bile duct
Malignant tumor of ampulla of Vater
Primary adenocarcinoma of common bile duct
Primary mucinous cystic neoplasm with associated invasive carcinoma of biliary tract
Primary mucinous cystic neoplasm with associated invasive carcinoma of perihilar bile duct
Malignant neoplasm of common bile duct
Malignant tumour of extrahepatic bile duct
Primary mucinous cystic neoplasm with associated invasive carcinoma of cystic duct
Malignant Extrahepatic Bile Duct Neoplasm
Carcinoma common bile duct
Primary cholangiocarcinoma of biliary tract
Primary cholangiocarcinoma of extrahepatic bile duct
Malignant neoplasm of extrahepatic bile ducts
Neoplasm of cystic duct
Malignant Neoplasm of the Extrahepatic Bile Duct

Frequently Asked Questions

What is the ICD-10 code for malignant neoplasm of extrahepatic bile duct?

The ICD-10-CM code for malignant neoplasm of extrahepatic bile duct is C24.0. The full clinical description is "Malignant neoplasm of extrahepatic bile duct". C24.0 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code C24.0 mean?

ICD-10-CM code C24.0 represents “Malignant neoplasm of extrahepatic bile duct”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.

Is C24.0 a billable code?

Yes, C24.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is C24.0 in?

C24.0 is in Chapter 2: Neoplasms (codes C00-D49).

What codes cannot be used with C24.0?

C24.0 has Excludes1 notes indicating codes that cannot be used together with it, including: Kaposi's sarcoma of gastrointestinal sites (C46.4); malignant neoplasm of intrahepatic bile duct (C22.1).

What SNOMED CT codes does C24.0 map to?

C24.0 maps to 33 SNOMED CT concepts: 255086002, 372101000, 312104005, 865951006, 363416002, and 28 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for C24.0?

C24.0 is linked to 5 UMLS Concept Unique Identifiers: C0153453, C0864878, C3665467, C3647881, C0346643. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does C24.0 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malignant neoplasm of extrahepatic bile duct 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 C24.0?

C24.0 maps to the ICD-11 code: 2C17.Z (Malignant neoplasms of other or unspecified parts of biliary tract, unspecified).

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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.