Primary malignant neuroendocrine tumor of duodenum icd 10 July 8, 2019 16 32 64 128 Primary malignant neuroendocrine tumor of ileum icd 10 Neuroendocrine tumor of pancreas icd 10 code Neuroendocrine tumor pancreas icd 10 Neuroendocrine tumor (net) pancreatic icd 10