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  • Using Modifier -24 frequently


    Question: I use modifier -24 quite frequently when I bill exams in the postoperative period for unrelated services. Will using this modifier often raise a potential red flag?

    Answer: There may be concern with the term “frequently” as most exams during the global period are focused on the reason for the procedure. Your documentation should clearly state the reason for the visit, which would not be postoperative care; rather the completely unrelated problem. All payers monitor this modifier, including Office of Inspector General ("OIG").