tci General Surgery Coding Alert - 2002 Issue 3
Reader Question: AV Fistula Follow-Up
Question: The surgeon sees a patient in the office after creating an arteriovenous (AV) fistula. The patient has a small abscess at the site, so the surgeon opens the patient and removes an infected portion of the graft. Can we bill for the office procedure using modifier -78 or -79? Alabama Subscriber Answer: The creation of the AV fistula 36825 (Creation of arteriovenous fistula by other than direct arteriovenous anastomosis [separate procedure]; autogenous graft) or 36830 (... nonautogenous graft) has a 90-day global period, which means that any...
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