Bill: Our lab performs a modified arterial (ankle and hallus pressures and PVR waveforms) in addition to the duplex graft scan. If the patient has private insurance we bill for both. If the patient has Medicare then we bill for the duplex (according the surveillance schedule) and bill the indirect only if it is abnormal. Our Carrier will pay for duplex scanning and physiologic testing during the same encounter if the physiologic is abnormal. Pat Marques -----Original Message----- From: Bill Schroedter [mailto:[log in to unmask]] Sent: Wednesday, April 12, 2000 9:50 AM To: [log in to unmask] Subject: Graft follow-up Hi, Was talking with a colleaque and a question arose about the routine post-op follow up of lower extremity bypass. It would seem that imaging has become pretty much the standard along with an ABI. (I am talking about obtaining waveforms at the ankle here in addition to obtaining the pressure.) Our question was, how many of you charge for the physiologic component in addition to the duplex charge? Those that charge for both, any problems with payment?? Thanks. Bill Schroedter Venice,Fl.