I am new to pcs prodedure coding and need a little help please. 3 vessel cabg. LIM used to bypass left anterior desending an reverse segment of left saphenous vein graft was used to bypass left circumflex and distal right coronary arteries. the left saphenous vein was harvested via percutaneous endoscopic. 0212099 0210099 06BQ4zz is thia correct?