There have been questions regarding the use of carotid Doppler (93880) being performed on the same day as venous Doppler (93965, 93970, 93971); some insurance companies do not want to reimburse both procedures as it is unusual to perform both with one service period. National Correct Coding Initiative edits don’t prevent you from reporting these codes together, but the payer may be questioning the medical necessity of performing both services on the same day. Doctors don’t usually order both of these exams for the same patient on the same date of service. If there was a reason and you can show hard documentation as to the necessity of having both …