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Thread: colonoscopy - We have a new Dr in our office

  1. #1
    Join Date
    Apr 2007

    Default colonoscopy - We have a new Dr in our office

    AAPC: Back to School
    We have a new Dr in our office that will be doing colonoscopies. I am confused as to how to bill. I see there is a code G0105, G0121 and then there are CPT codes also. Can someone explain how I should be coding this procedure. When do you use the G codes and when do you use the cpt codes. Thanks so much for any help.
    Last edited by ank3t; 10-07-2016 at 05:13 AM.

  2. #2
    Join Date
    Apr 2007
    Greeley, Colorado


    The G codes are screening codes for Medicare. All other carriers would be coded with the CPT codes 45378 - 45392. Do you have access to CPT Assistant archives? Additionally, if your new provider will be doing colonoscopies he/she will most likely also do EGD's and ERCP's. Start by reading all the GI posts...I know it's a lot, but it will help. Let me know if you don't have the CPT Assistant archives.
    Lisa Bledsoe, CPC, CPMA

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