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

Codes under D13 (Benign neoplasm of other and ill-defined parts of digestive system). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
D13.0	Benign neoplasm of esophagus	✓
D13.1	Benign neoplasm of stomach	✓
D13.2	Benign neoplasm of duodenum	✓
D13.3	Benign neoplasm of other and unspecified parts of small intestine	—
D13.4	Benign neoplasm of liver	✓
D13.5	Benign neoplasm of extrahepatic bile ducts	✓
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	—
D13.30	Benign neoplasm of unspecified part of small intestine	✓
D13.39	Benign neoplasm of other parts of small intestine	✓
D13.91	Familial adenomatous polyposis	✓
D13.99	Benign neoplasm of ill-defined sites within the digestive system	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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