2024 ICD-10-CM Diagnosis Code C24.0

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Malignant neoplasm of extrahepatic bile duct

  • C24.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM C24.0 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of C24.0 – other international versions of ICD-10 C24.0 may differ.

Applicable To

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

The following code(s) above C24.0 contain annotation back-references

 that may be applicable to C24.0:

  • C00-D49  Neoplasms
  • C15-C26  Malignant neoplasms of digestive organs
  • C24  Malignant neoplasm of other and unspecified parts of biliary tract

Approximate Synonyms

  • Cancer of bile duct, extrahepatic, adenocarcinoma
  • Cancer of the bile duct, extrahepatic
  • Carcinoma of extrahepatic bile duct
  • Malignant tumor of extrahepatic bile duct

Clinical Information

  • A malignant tumor involving the extrahepatic bile duct.
  • A primary or metastatic malignant neoplasm that affects the extrahepatic bile ducts. Representative examples include carcinoma and sarcoma.

ICD-10-CM C24.0 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 435 Malignancy of hepatobiliary system or pancreas with mcc
  • 436 Malignancy of hepatobiliary system or pancreas with cc
  • 437 Malignancy of hepatobiliary system or pancreas without cc/mcc

Convert C24.0 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to C24.0:

Diagnosis Index entries containing back-references to C24.0:

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