Malignant neoplasm of superior wall of nasopharynx

This code signifies a cancerous growth originating from the superior wall of the nasopharynx, which is the upper part of the throat behind the nose. This specific anatomical location includes structures like the roof and posterior wall of the nasopharynx.

This code is appropriate when documentation confirms a primary malignant neoplasm located specifically on the superior wall of the nasopharynx. Pathological confirmation of malignancy and precise anatomical site identification are crucial for its application.

• Ensure documentation specifies "superior wall" and not a more general nasopharyngeal site.
• Distinguish from benign neoplasms or neoplasms of other nasopharyngeal walls (e.g., lateral, inferior).
• Always sequence as the primary diagnosis when it is the reason for the encounter.