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Anesthesia Modifier AA question

  1. #1
    Default Anesthesia Modifier AA question
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    Hi all,

    I am a newly employed biller (CPC-A) working in a pediatric dental surgery center where patients always have gen anesthesia for their procedures. I do not have my HCPCS here because in this position it is usually never needed - until today!

    My question is about AA modifier for a PPO plan to be billed - Aetna. The patient is a P3 status (cerebral palsy) which is normally what I use for the modifier for 00170 under Medi-Cal billing but with PPO plans I'm wondering if I need to use AA instead? Normally I am
    supposed to for P1 status patients but is there a P3 alternative for the AA?


  2. #2
    Charleston, WV
    The physical status modifiers (Px) and concurrency modifiers (AA, QZ, etc) are not interchangeable. They should be used in conjunction with each other. If your patient is physical status 3 and the anesthesiologist personally performed the sedation, you should be billing your procedure code (probably 00170) with both AA and P3 modifiers.
    J G Stanley, MHA, CPC

  3. #3
    Yes, that is the case. I will post both modifiers. Thanks so much for the info, Gost!
    I'm grateful for your quick response.

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