93922 vs 93923

dmccullers

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We perform LEAs in our office daily. We will do this studies after a pt has intervention and sometime the LEA is only performed on 1 leg. After reviewing the CPT codes once again I feel like I need clarification.

93922- Limited bilateral noninvasive physiologic studies of upper or lower extremity arteries (for lower extremity: ankle/brachial indices at distal posterior tibial and anterior tibial/dorsalis pedis arteries plus bidirectional, doppler waverform recording and analysis at 1-2 levels

93923- Complete bilateral noninvasive physiologic studies of upper or lower extremity arteries. 3 or more levels (for lower extremity: ankle/brachial indices at distal posterior tibial and anterior tibial/dorsalis pedis arteries plus bidirectional, doppler waverform recording and analysis at 3 levels or more

We are doing the description of 93923, but only on one leg. Do we bill 93922 or 93923? The Bilateral is what is throwing us off.
 

thomas7331

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Granted this was a couple of years ago and could be outdated now, but at the practice where I previously worked the guidance that was given to us was that if the study was only done unilaterally we should apply a 52 modifier to the code to indicate this.
 
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