Duplex scanning of arteries for the evaluation of blood flow is a type of noninvasive vascular diagnostic process. A physician can visualize and selectively assess the flow patterns of peripheral vessels using real–time ultrasound imaging and pulsed Doppler. The presence of arterial stenosis, occlusion and identification of incompetent veins can also be achieved through this process.
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Code Range for peripheral duplex scan:
93990-93990 - Non-Invasive Extremity Arterial-Venous Studies
93975-93982 - Non-Invasive Visceral and Penile Vascular Studies
93922-93931 - Non-Invasive Extremity Arterial Studies (Including Digits)
93965-93971 - Non-Invasive Extremity Venous Studies (Including Digits)