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Thread: ABN modifiers

  1. #1

    Default ABN modifiers

    AAPC: Back to School
    Would someone be able to further clarify the modifiers that became effective with Medicare as of 4/1/10 that pertain to the ABNs. We are an Ambulatory Surgery Center- GI and we are not sure in what circumstance we would be using the GX modifier. Thanks in advance.

  2. #2


    There is an MLN Matters article on the Florida Medicare website #MM6563 that explains the modifier issue fairly well.

  3. #3


    Thank you. I did read that article also but was still unable to apply to our services.

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