CPT® Code 35361

Thromboendarterectomy is a surgical procedure aimed at removing thrombi, which are blood clots or atherosclerotic plaques, from the walls of arteries. This specific procedure, identified by CPT® Code 35361, focuses on the abdominal aorta and the iliac arteries. The goal of thromboendarterectomy is to restore normal blood flow by excising the occluded material along with the inner layer of the artery, known as the intima. The procedure begins with an incision in the abdomen to access the aorta and iliac arteries. In cases where a more extensive approach is required, such as a combined aortoiliac and femoral thromboendarterectomy, an additional incision is made in the leg to access the femoral artery. During the operation, the affected segments of the blood vessels are carefully isolated and dissected from surrounding tissues. To maintain blood flow during the procedure, a temporary shunt may be placed. The surgical team will then clamp the arteries to control blood flow, allowing for the removal of the thrombus and intima. After the excision, the remaining artery walls are sutured together, and if necessary, a patch graft may be applied to enhance the diameter of the artery. The procedure concludes with the removal of clamps and shunts, followed by a thorough check for bleeding before closing the incision layers. This comprehensive approach is essential for restoring adequate blood circulation and preventing complications associated with arterial occlusion.