ICD-10-CM>C00-D49>C15-C26>C17C17Malignant neoplasm of small intestineNon-Billable/Non-SpecificType 1 Excludesmalignant carcinoid tumors of the small intestine (C7A.01)CodesC17.0Malignant neoplasm of duodenumC17.1Malignant neoplasm of jejunumC17.2Malignant neoplasm of ileumC17.3Meckel's diverticulum, malignantC17.8Malignant neoplasm of overlapping sites of small intestineC17.9Malignant neoplasm of small intestine, unspecified