To bill for modifier 59 or not to bill for this very tricky modifier—that is the (burning) question. If you find yourself asking this question time and again—while also thinking back to high school English class—you’re not alone. Few modifiers cause as much consternation for PTs or wreak as much havoc on their payments as modifier 59. But knowing when to accurately apply one of the most misused modifiers is your ticket to getting paid by Medicare—and avoiding an audit. Not sure of the rules governing the proper use of this much talked-about modifier? In need of a modifier 59 tutorial? You’re in luck.

Enter your email address below, and we’ll send you a super-simple flowchart to help you decide whether it’s appropriate to use modifier 59 in any given billing situation.