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GY modifier/ABN

  1. Default GY modifier/ABN
    Medical Coding Books
    If a Medicare patient comes in for an E/M visit with diagnosis and at that time the physician orders a urinalysis for screening purposes only, can you append modifier GY and not do an ABN?

    Thanks for any help

  2. #2
    New Port Richey & Gulf to Bay
    Default Modifiers GA, GY, GX, GZ
    I think their is NCD for Urinalysis. Therefore I believe you would append -GA if an ABN had been signed. In no ABN has been signed, then you would use modifier -GZ. If the claim is statutorily excluded, you should append modifier -GY. Modifier -GX is used when a voluntary ABN is issued, when it is not required.

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