32850, 32853, 32856:Rationale: DOA means the individual is dead on arrival thus the lungs will be harvested from a cadaver donor. In the Index, look up Donor Procedures/Lung Excision, the removal of the lungs by physician A will be reported with 32850 representing plural cadaver donor pnemonectomies (lung removals). In the Index, look up Transplantation/Lung/Double, without Cardiopulmonary Bypass, the insertion of the lungs is reported with 32853. In the Index, look up Transplantation/Lung/Allograft Preparation directing you to 32855-32856, 33933. The backbench preparation of both lungs (bilateral) by physician reported with 32856. Because different physicians separately report each procedure, modifier 51 is not required.