Health Information Management

Tip: Learn the different rules for different territories for revascularization codes

APCs Insider, February 11, 2011

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Different rules govern each territory for the CPT® revascularization codes, so be sure to review them. For example, for the iliac vascular territory, coders should assign a single primary code for the initial iliac artery treated in each leg (37220 or 37221).

If the physician treats additional iliac vessels in the same leg, assign the appropriate add-on codes (37222, 37223). Coders may assign up to two add-on codes in the unilateral iliac vascular territory because the physician can treat three vessels. Only use the add-on codes when the physician treats a different vessel. Do not use them to report distinct lesions within the same vessel.

For the femoral/popliteal territory, coders should assign a single interventional code for all segments of the common, deep, and superficial femoral arteries and the popliteal artery, regardless of what combination of angioplasty, stent, and/or atherectomy the physician uses. No add-on codes are used for this territory.

This tip was adapted from “2011 CPT changes feature new time guidelines, subsequent observation care codes” in the February issue of Briefings on APCs.

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