CPT® Code 35480

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The procedure described by CPT® Code 35480 refers to a transluminal peripheral atherectomy performed on a renal or other visceral artery. This is a minimally invasive surgical technique aimed at removing atherosclerotic plaque from the arterial walls to restore blood flow. The term "transluminal" indicates that the procedure is conducted within the lumen of the artery, which is accessed through a small incision in the skin over the artery. The physician begins by preparing the skin and making an incision to expose the artery. A sheath is then placed into the artery to facilitate the introduction of instruments. A guidewire is advanced through the sheath to the site of the occlusion, allowing for the placement of an atherectomy catheter. This specialized catheter is equipped with a cutting piston that effectively shaves away plaque from the arterial wall as it is advanced. The removed plaque is collected within the device for extraction at the end of the procedure. Multiple passes may be made with the atherectomy device to ensure thorough plaque removal. Following the atherectomy, an angiography catheter is used to perform a completion angiography, which involves injecting contrast material to visualize the artery and confirm that it is open and patent. Finally, the access site is repaired, and the skin incision is closed, completing the procedure.