Icd 10 code for neuroendocrine tumor of small intestine July 8, 2019 16 32 64 128 Icd 10 code for malignant neuroendocrine tumor of small intestine Icd 10 code for primary malignant neuroendocrine tumor of small intestine Neuroendocrine tumor of small intestine icd 10 Icd 10 neuroendocrine tumor Icd 10 code for well differentiated neuroendocrine tumor of duodenum