CPT® Code 92929

Add-On Code

Percutaneous transcatheter placement of intracoronary stent(s), with coronary angioplasty when performed; each additional branch of a major coronary artery (List separately in addition to code for primary procedure)

The procedure described by CPT® Code 92929 involves the percutaneous transcatheter placement of intracoronary stent(s) in conjunction with coronary angioplasty, specifically for each additional branch of a major coronary artery. This procedure is typically indicated when there is a narrowing or blockage (stenosis) in the coronary arteries, which can lead to reduced blood flow to the heart muscle and potentially result in angina or myocardial infarction. A stent, which is a small wire mesh tube, is utilized to support the artery walls and maintain patency in the affected segment. The procedure begins with the preparation of the skin over the access artery, often the femoral artery, followed by puncturing the artery to insert a sheath. A guidewire is then navigated through the aorta into the occluded coronary artery. Following this, a balloon-tipped catheter is advanced to the site of the blockage, where percutaneous transluminal coronary angioplasty (PTCA) is performed. This involves inflating the balloon to compress the plaque against the artery wall, which may be repeated multiple times to achieve optimal results. Subsequently, a compressed stent is delivered to the site using the balloon catheter, and once positioned correctly, the balloon is inflated to expand the stent, effectively creating a scaffold that keeps the artery open. Finally, contrast material is injected, and completion angiography is conducted to confirm that the treated artery remains patent. It is important to note that CPT® Code 92929 is used specifically for each additional branch of a major coronary artery that is treated, while CPT® Code 92928 is designated for stent placement in a single major coronary artery or branch.