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Diagnostic Radiology:

Familiarize Yourself With X{EPSU} Modifiers

Published on Mon Dec 08, 2025

Question: I’ve only been coding in radiology for a few months and I’m having a hard time understanding how to correctly apply the X{EPSU} modifiers on my claims. I’m tired of seeing claim denials for misusing these modifiers — are you able to help? Montana Subscriber Answer: X{EPSU} modifiers, especially modifier XE (Separate encounter, a service that is distinct because [...]
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