Implementation of X(EPSU) modifiers delayed

Implementation of new claims editing systems is delayed:  In the Network Update Special Edition — June 11, 2015 , Anthem  advised that new claims editing systems would be implemented during the timeframe of September 11 – October 12, 2015. However, at this time, implementation of these systems has been delayed until further notice. As a result of this delay, modifiers XE, XP, XS and XU will NOT be ready for processing. Until further notice, please continue to file Modifier 59.