CPT® Code 37650

The procedure described by CPT® Code 37650 involves the ligation of the femoral vein, which is a critical surgical intervention aimed at managing thromboembolism. In this context, ligation refers to the surgical technique of tying off the femoral or common iliac vein using materials such as silk suture or fine wire. This action effectively interrupts the blood flow within the vein, which is essential in preventing serious complications such as pulmonary embolism, particularly in patients who have developed thromboembolism in the femoral or iliac veins. The procedure is typically preceded by a venography, a diagnostic imaging technique that allows the physician to visualize the veins and accurately identify the location of the thrombus. The ligation itself is performed through a surgical incision made over the superficial or common femoral vein, ensuring that the vein is adequately exposed for the ligation process. This procedure is crucial for patients at risk of embolic events, as it helps to mitigate the potential for life-threatening complications associated with venous thromboembolism.