D13.99 Benign neoplasm of ill-defined sites within the digestive system

Billable ICD-10-CM code, FY2026.

Applicable to

• Benign neoplasm of digestive system NOS
• Benign neoplasm of intestine NOS
• Benign neoplasm of spleen

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) 393-395 in MDC 06.

Nearby codes

• 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
• D13.91 Familial adenomatous polyposis
• D13.99 Benign neoplasm of ill-defined sites within the digestive system (this code)