D13.5 Benign neoplasm of extrahepatic bile ducts

Billable ICD-10-CM code, FY2026.

Applies from D13 Benign neoplasm of other and ill-defined parts of digestive system

Excludes1 (never code together)

• benign stromal tumors of digestive system (D21.4)

MS-DRG index

Defines the logic of DRG(s) 441-443 in MDC 07.

Approximate ICD-9-CM (GEMs)

• 211.5 Benign neoplasm of liver and biliary passages (approximate)

Diagnosis Index entries for D13.5

• Adenoma › bile duct › common
• Adenoma › bile duct › extrahepatic

Nearby codes

• D13.2 Benign neoplasm of duodenum
• D13.3 Benign neoplasm of other and unspecified parts of small intestine
• D13.30 Benign neoplasm of unspecified part of small intestine
• D13.39 Benign neoplasm of other parts of small intestine
• D13.4 Benign neoplasm of liver
• D13.5 Benign neoplasm of extrahepatic bile ducts (this code)
• D13.6 Benign neoplasm of pancreas
• D13.7 Benign neoplasm of endocrine pancreas
• D13.9 Benign neoplasm of ill-defined sites within the digestive system
• D13.91 Familial adenomatous polyposis
• D13.99 Benign neoplasm of ill-defined sites within the digestive system