Ask Dr. Z

Without specific documentation, like "color Doppler", does the below documentation of the measurements meet duplex criteria for CPT 93990? "LT ARM AVF  ** FINDINGS **: Inflow Artery: 1.66 M/s Anastomosis: 2.26 M/s Prox Fistula: Depth/Diameter: 4.7/5.6 Mm Velocity: 3.70 M/s Mid Fistula: Depth/Diameter: 8.3/6.6mm Velocity: 221 Distal Fistula: Depth/Diameter: 10.0/5.9 Mm Velocity: 1.95 M/s Anastomosis: not a graft outflow Vein: 1.65 M/s  ** IMPRESSION **: Upper Extremity Hemodialysis fistula imaged for Vascular Surgeon.   Patent LEFT upper extremity first stage brachiobasilic AV fistula without stenosis."