Secondary malignant neoplasm of pleura

This code signifies the presence of a malignant tumor in the pleura that has spread from a primary cancer site elsewhere in the body. It indicates metastatic disease affecting the pleural lining of the lungs.

Apply this code when documentation clearly states a secondary or metastatic malignancy involving the pleura. This is typically supported by pathology reports, imaging studies, and physician notes confirming the spread of cancer to this site.

• Always sequence the primary malignant neoplasm first, followed by this code for the secondary site.
• Do not use this code for primary pleural malignancies (e.g., mesothelioma); those have specific codes.
• Ensure the documentation explicitly states "secondary" or "metastatic" to the pleura, not just "pleural involvement."