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Office Managers, Medical Billers and Medical Coders
Be careful with Modifier 25.
Not all your office visits (E/M codes) are billable with modifier 25!

    Know and understand the proper way of billing with modifier 25
    ("Significant, separately identifiable evaluation and management service by
    the same physician on the same day or other service"). Let me give you a
    good example, the patient came to the office today for a knee injection. If
    there is no other complain or reason of that visit other than the knee
    injection, you do not bill for the office visit.  

    Simple rules:  
    (1) Append modifier 25 for the E/M codes only!
    (2) Do not append modifier 25 for the E/M code if the office visit is
    unrelated to post surgery/procedure or within the global period) - instead
    use modifier 24!