ICD-10-CM > C00-D49 > D10-D36 > D13 > D13.3 D13.3 Benign neoplasm of other and unspecified parts of small intestine Non-Billable/Non-Specific Type 1 Excludes benign carcinoid tumors of the small intestine (D3A.01-)benign neoplasm of ileocecal valve (D12.0) Codes D13.30Benign neoplasm of unspecified part of small intestineD13.39Benign neoplasm of other parts of small intestine