Visceral and Parietal Pleural Invasion


**Note 1:** Physician statement of Visceral and Parietal Pleural Invasion can be used to code this data item when no other information is available. **Note 2:** Code 0 for in situ (behavior/2) tumors. **Note 3:** A surgical resection must be done to determine if the visceral and/or parietal pleural is involved. **Note 4:** Do not use imaging findings to code this data item **Note 5:** Code 9 when + A FNA only is performed. A FNA is not adequate to assess pleural layer invasion + Surgical resection of the primary site is performed and there is no mention of visceral and/or parietal pleural invasion




NAACCR #3937


Code Description
0 No evidence of visceral pleural invasion identified Tumor does not completely traverse the elastic layer of the pleura Stated as PL0
4 Invasion of visceral pleura present, NOS Stated as PL1 or PL2
5 Tumor invades into or through the parietal pleura OR chest wall Stated as PL3
6 Tumor extends to pleura, NOS; not stated if visceral or parietal
8 Not applicable: Information not collected for this case (If this item is required by your standard setter, use of code 8 will result in an edit error.)
9 Not documented in medical record No surgical resection of primary site is performed Visceral Pleural Invasion not assessed or unknown if assessed or cannot be determined