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Thread: impedance 24 hr ph

  1. #1

    Default impedance 24 hr ph

    AAPC: Back to School
    Does 91038 only need to be billed by itself when the physician does impedance. Do we need to add 91034 at all?

  2. #2
    Join Date
    Apr 2007
    Atlanta Perimeter


    You would bill the 91038 only. The 91038 and 91034 are bundled codes.
    Last edited by eescalante; 07-10-2011 at 08:10 AM.

  3. #3
    Join Date
    Apr 2007
    Seacoast-Dover NH

    Default motility impedance with ph probe

    Yes, you are right that they are bundled. But, if you look at the NCCI edits table, 91034 is the payable code and a modifier is not applicable. Can anyone verify this for me?

  4. #4
    Join Date
    Apr 2007
    Atlanta Perimeter


    You can bill either one or the other. Just not both together. 91038 is the higher reimbursed code (at least from Medicare). So when our motility specialist does impedance + pH for over an hour (which in our case means the patient leaves the office with the catheter in place and returns it the next day) then we bill the 91038 code, not 91034.
    Elizabeth Escalante, CPC
    Operations Manager
    Atlanta Gastroenterology Associates

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