Use modifier 24 when the E/M service meets these criteria
Published on Tue Jul 16, 2013
The E/M service occurs during the postoperative period of another procedure The current E/M service is unrelated to the previous procedure The same physician (or tax ID) who performed the previous procedure provides the E/M. Use modifier 25 if the claim meets all of the following criteria: The patient’s condition requires a significant, separately identifiable E/M service above and beyond [...]