AHA Coding Clinic® for HCPCS - 2002 Issue 3

Restenosis of the coronary artery

Stenosis of the coronary artery occurs when the coronary artery is narrowed or occluded commonly by atherosclerotic deposits of fibrous and fatty tissue. This condition causes thickening of the arterial wall, which may reduce blood flow sufficiently to cause angina, heart attacks (myocardial infarctions), and coronary thrombosis. One method utilized in the medical treatment of coronary artery disease is percutaneous transluminal coronary angioplasty (PTCA). This procedure involves the passing of a wire with a balloon into the narrowed artery and opening the narrowed artery by inflating the balloon. To prevent the closure of the arterial wall during or following...

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