Pessie Posted Wed 13th of February, 2019 07:56:03 AM
Can modifier RT and LT be added to code 93970 ULTRASOUND VENOUS DOPPLER ?
SuperCoder Answered Thu 14th of February, 2019 02:35:57 AM
Thank you for your question.
You should not append RT (Right side) and LT (Left side) to 93970 (Duplex scan of extremity veins including responses to compression and other maneuvers; complete bilateral study) to indicate a bilateral service. When you have a specific code for the bilateral service, then coding the unilateral services individually would not be compliant coding.
You should report one unit of this code, and you should not append modifier 50 (Bilateral service) because the code descriptor states that the code is for a bilateral service. Medicare payment, at a national facility rate of $198.94, already takes the bilateral nature of the service into account.
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Hope that helps.
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