CPT® Code 35485

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The CPT® Code 35485 refers to a specific medical procedure known as transluminal peripheral atherectomy, which is performed on the tibioperoneal trunk and its branches. This procedure is primarily aimed at treating occlusions or blockages in the peripheral arteries, particularly in the lower extremities. The term "transluminal" indicates that the procedure is conducted within the lumen of the artery, allowing for direct access to the blockage without the need for extensive surgical intervention. During the procedure, the skin over the access artery is carefully prepped and incised to expose the artery. A sheath is then placed into the artery to facilitate the introduction of a guidewire, which is advanced to the site of the occlusion. The atherectomy catheter, designed specifically for this purpose, is advanced over the guidewire to perform the atherectomy. This involves the use of a specialized balloon catheter equipped with a cutting piston that effectively shaves plaque from the arterial wall. The plaque is collected within the device and removed upon completion of the procedure. The physician may perform multiple passes with the atherectomy device to ensure optimal results. Following the atherectomy, an angiography catheter is utilized to assess the success of the procedure through completion angiography, confirming that the vessel is patent. Finally, the access artery is repaired, and the skin incision is closed, marking the end of the procedure.