Below is a list summarizing the CPT codes for endoscopy procedures on the heart and pericardium.
CPT Code 33508
CPT 33508 describes an add-on procedure for surgical endoscopy and video-assisted harvest of a vein(s) for coronary artery bypass.
CPT Code 33509
CPT 33509 describes the endoscopic harvest of one segment of an upper extremity artery for a coronary artery bypass procedure.