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Add on code

  1. Default Add on code
    Medical Coding Books
    Can you use modifiers with add on codes such as 99135, (Anesthesia complicated by utilization of controlled hypotension)? I'm getting a lot of denials on this.

    Thank you

  2. Default
    This add on code and use of modifiers has been a query for me since long. All that I know is the add on codes should not be appended with Modifier 51 ( Mod- 51 exempt).

    I understand the Mod 50 also/ some -26 and so on..
    "But NO modifier at all concept" is not there; I am not sure of..
    Could any one come out with the correct guidance for this in a crystal clear way please?
    Last edited by preserene; 11-19-2010 at 02:50 PM.

  3. #3
    Kingsport, TN
    What type of modifier are you using with this code? For 99135, the use of modifier 51 is not allowed according to Appendix D in CPT, and in the Introduction section (of CPT) there is an explanation that NONE of the add-on codes are considered a multiiple procedure so you can't use the "multiple procedure" modifier. It would probably help to know what modifier is getting denied...

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