ICD-9-CM Diagnosis Code 156.8
Diagnosis Code: 156.8 (Raw: 1568)
Description: Malignant neoplasm of other specified sites of gallbladder and extrahepatic bile ducts
Classification: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)
Fiscal Year: 2026 Reference
CMS Section 111 Status: Valid for reporting.
Overview & Historical Usage
ICD-9-CM code 156.8 is designated for Malignant neoplasm of other specified sites of gallbladder and extrahepatic bile ducts. While superseded by ICD-10 for current healthcare encounters, it remains a recognized reference code for CMS Section 111 reporting, legacy claims adjudication, and historical clinical data analysis.
