I am not seeing anything in my research that states you can not do this. And if it is getting paid....
But I did find in the CPT Assistant Archives regarding 93922
June 2013 page 14a
Medicine: Noninvasive Vascular Diagnostic Studies
Question: In order to report code
93922, what additional procedures must be performed in addition to a Doppler-derived ankle-brachial index (ABI)?
Answer: Code
93922,
Limited bilateral noninvasive physiologic studies of upper or lower extremity arteries, (eg, for lower extremity: ankle/brachial indices at distal posterior tibial and anterior tibial/dorsalis pedis arteries plus bidirectional, Doppler waveform recording and analysis at 1-2 levels, or ankle/brachial indices at distal posterior tibial and anterior tibial/dorsalis pedis arteries plus volume plethysmography at 1-2 levels, or ankle/brachial indices at distal posterior tibial and anterior tibial/dorsalis pedis arteries with transcutaneous oxygen tension measurements at 1-2 levels), can be reported only if simultaneous Doppler recording analysis of bidirectional blood flow, volume plethysmography, or transcutaneous oxygen tension measurement is also performed.
Limited studies for lower extremity require one of the following: (1) ankle/brachial indices at distal posterior tibial and anterior tibial/dorsalis pedis arteries plus bidirectional Doppler waveform recording and analysis at one to two levels; or (2) ankle/brachial indices at distal posterior tibial and anterior tibial/dorsalis pedis arteries plus volume plethysmography at one or two levels; or (3) ankle/brachial indices at distal posterior tibial and anterior tibial/dorsalis pedis arteries with transcutaneous oxygen tension measurements at one or two levels. Potential levels include high thigh, low thigh, calf, ankle, metatarsal, and toes.
Limited studies for upper extremity require one of the following: (1) Doppler-determined systolic pressures and bidirectional Doppler waveform recording and analysis at one or two levels; or (2) Doppler-determined systolic pressures and volume plethysmography at one or two levels; or (3) Doppler-determined systolic pressures and transcutaneous oxygen tension measurements at one to two levels. Potential levels include arm, forearm, wrist, and digits.