Modifier Update:
CMS Agrees New Modifiers X(EPSU) Offer 'No Benefit' For Now
Published on Tue Jul 21, 2015
You may keep using 59 until further notice. Many practices have been getting busy or getting worried regarding when and how to implement the X{EPSU} modifiers, which CMS created to avoid overuse of modifier 59 (Distinct procedural service). Absent specific CMS instruction, you may still be waiting, or you may be trying to follow some payer-specific advice about the modifiers. [...]