AHA Coding Clinic® for ICD-9 - 1998 Fourth Quarter; VOLUME 3 NEW/REVISED CODES

Transmyocardial Revascularization

Note:As of October 1, 2005, code 00.66 is used to report percutaneous transluminal coronary angioplasty [PTCA] or coronary atherectomy. Assign also a code to identify the number of vessels treated (00.40-00.43). Effective October 1, 1998, category 36.3, Other heart revascularization, has been expanded to allow the specific reporting of transmyocardial laser revascularization (TMR). TMR is a procedure which improves myocardial blood supply in patients with diffuse ischemic heart disease. The technique involves using a high-powered carbon dioxide laser to create channels through the heart wall. These channels allow improved blood flow through myocardial sinusoids, a...

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