Malignant neoplasm of other specified sites of pancreas

This code signifies a cancerous tumor originating in a specific, but not otherwise classified, part of the pancreas. This includes malignant neoplasms affecting areas like the body or tail of the pancreas, or overlapping lesions that are not precisely localized to the head. It indicates a primary malignant process within the pancreatic tissue.

Use this code when documentation clearly specifies a primary malignant neoplasm of the pancreas, but the exact subsite (e.g., head) is not identified, or it's described as affecting the body, tail, or as an overlapping lesion. Supporting documentation would include pathology reports confirming malignancy and imaging studies or operative notes detailing the tumor's location within the pancreas.

• Ensure the documentation specifies "malignant" and not benign or uncertain behavior.
• Distinguish from malignant neoplasms of the head of the pancreas (157.0) or unspecified parts (157.9).
• Always sequence this code as the primary diagnosis when it represents the reason for the encounter or treatment.