Specific code 2015 ICD-9-CM Diagnosis Code 156.1
Malignant neoplasm of extrahepatic bile ducts
  • 2015
  • Billable Code
  • ICD-9-CM 156.1 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 156.1 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Adenocarcinoma, extrahepatic bile duct
  • Cancer of bile duct, extrahepatic, adenocarcinoma
  • Cancer of the bile duct, extrahepatic
  • Carcinoma of extrahepatic bile duct
  • Extrahepatic bile duct cancer
  • 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
Applies To
  • Biliary duct or passage
  • NOS
  • Common bile duct
  • Cystic duct
  • Hepatic duct
  • Sphincter of Oddi
Convert to ICD-10-CM: 156.1 converts directly to:
  • 2015 ICD-10-CM C24.0 Malignant neoplasm of extrahepatic bile duct
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 156.1 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.