Medicare Modifiers XE, XP, XS, XU: Examples of When to Bill Each One
January 1, 2015, CMS will officially roll out four new HCPCS modifiers that can be used when billing Medicare claims. Dubbed the –X{EPSU} subset, they may or may not be used instead of modifier 59. This post has a few examples of when you might use each of these new modifiers. Leave a comment on how your office uses the new modifiers.
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