AHA Coding Clinic® for ICD-9 - 2004 Issue 4; VOLUME 3 NEW/REVISED PROCEDURE CODES

Percutaneous Angioplasty and Atherectomy and Percutaneous Stent Insertion

Effective October 1, 2004, a new code subcategory has been created to identify percutaneous angioplasty and atherectomy of precerebral and intracranial vessels as well as percutaneous stent insertion of other precerebral, carotid and intracranial arteries. Carotid artery occlusion is an obstruction or narrowing of the carotid arteries. These arteries provide blood from the heart to the brain. A frequent cause of carotid artery stenosis is atherosclerotic plaque that impedes blood flow into the brain, leading to stroke. The conventional treatment is carotid endarterectomy, a surgical procedure performed under general anesthesia. Recent advances in interventional radiology, have made possible endovascular...

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