CPT® Code 35493

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The CPT® Code 35493 refers to a specific medical procedure known as percutaneous transluminal atherectomy, which is performed on the femoral-popliteal artery. This procedure is utilized to remove plaque buildup from the arterial walls, thereby improving blood flow in patients with peripheral artery disease. The term "transluminal" indicates that the procedure is performed through the lumen of the artery, and "atherectomy" refers to the surgical removal of atherosclerotic plaque. During the procedure, a physician accesses the femoral artery, typically located in the groin area, and uses a needle to puncture the artery. A sheath is then placed to facilitate the introduction of instruments into the artery. A guidewire is advanced into the occluded artery, allowing for the insertion of an atherectomy catheter. This specialized catheter features a cutting piston that effectively shaves away plaque from the arterial wall. The removed plaque is collected within the device and expelled upon completion of the procedure. Following the atherectomy, an angiography catheter is used to perform a completion angiography, ensuring that the artery is open and blood flow is restored. The procedure concludes with the application of pressure to the puncture site to prevent bleeding, followed by the placement of a pressure dressing.