D13.9 Benign neoplasm of ill-defined sites within the digestive systemNon-billable header with 2 child codes.
D13.91 Familial adenomatous polyposisD13.99 Benign neoplasm of ill-defined sites within the digestive system211.9 Benign neoplasm of other and unspecified site in the digestive system (approximate)D13.39 Benign neoplasm of other parts of small intestineD13.4 Benign neoplasm of liverD13.5 Benign neoplasm of extrahepatic bile ductsD13.6 Benign neoplasm of pancreasD13.7 Benign neoplasm of endocrine pancreasD13.9 Benign neoplasm of ill-defined sites within the digestive system (this code)D13.91 Familial adenomatous polyposisD13.99 Benign neoplasm of ill-defined sites within the digestive system