Benign carcinoid tumor of the duodenum

This code signifies a non-malignant neuroendocrine tumor originating in the duodenum. These tumors are typically slow-growing and do not metastasize, distinguishing them from more aggressive forms of cancer.

Apply this code when documentation confirms a benign carcinoid tumor specifically located in the duodenum. Pathological reports confirming the benign nature and duodenal origin are essential for accurate coding.

• Ensure the pathology report explicitly states "benign" and identifies the duodenum as the primary site.
• Do not confuse this with malignant carcinoid tumors (C7A.0xx series) or carcinoid tumors of unspecified behavior (D3A.09).
• If the exact duodenal location (e.g., first, second part) is specified, use a more specific subcategory if available.