CPT® Code 35494

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The CPT® Code 35494 refers to a specific medical procedure known as transluminal peripheral atherectomy, which is performed percutaneously on the brachiocephalic trunk or its branches. This procedure is primarily indicated for patients with occlusions in these vessels, which can impede blood flow and lead to various complications. The term 'transluminal' indicates that the procedure is conducted within the lumen of the blood vessel, allowing for minimally invasive access. During the procedure, the skin over the access artery, typically one of the brachial arteries, is prepared, and a needle is used to puncture the artery, followed by the placement of a sheath. A guidewire is then inserted and advanced into the occluded artery, facilitating the introduction of an atherectomy catheter. This specialized catheter is equipped with a cutting piston that effectively shaves plaque from the arterial wall, thereby restoring patency to the vessel. The plaque is collected within the device and removed upon completion of the procedure. After the atherectomy, an angiography catheter is used to perform a completion angiography, ensuring that the artery remains open. The procedure concludes with the application of pressure to the puncture site to control bleeding, followed by the placement of a pressure dressing. This code is applicable for each vessel treated during the procedure.