Please note this question was answered in 2012. The coding advice may or may not be outdated.
Modifier 52 versus modifier 74
Date: Aug 14, 2012
Question:
For a limited (unilateral) noninvasive physiologic study of an upper or lower extremity (93922), you’re to add a -52 on the professional charge. Does a -74 go on the technical portion then?
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