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Thread: 33 and PT modifiers

  1. #1
    Join Date
    Apr 2007

    Default 33 and PT modifiers

    AAPC: Back to School
    Could someone clarify for pathology coding when is 33 modifier is used and when is PT modifier is used for colon screening

  2. #2
    Join Date
    Apr 2007
    Charlotte, NC


    In the realm of colon cancer screening, PT is used with Medicare when a colon cancer screening becomes diagnostic. 33 is for all other carriers/payors when a ccs becomes diagnostic.

    Hope this helps.

  3. #3
    Join Date
    Apr 2007


    Thanks for your help

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