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Thread: ASC help

  1. #1
    Join Date
    Apr 2007

    Question ASC help

    AAPC: Back to School
    Is SG modifier required for commercial payors for amubulatory surgical center billing. Also, can 51 modifier be used for multipe procedures or is it not necessary?

  2. #2


    Yes, -SG is needed after each CPT on ASC claim. I use -59-SG on the CPT's that I want to keep from bundling, but the only claims I need to use -51 on are our spine surgeries. All of our other ortho surgeries don't require the use of -51.

  3. #3
    Join Date
    Apr 2007
    Columbia, MO


    the 51 modifier is for physician use only, it is not designed for facility use.

  4. #4
    Join Date
    Apr 2007

    Default thanks

    Thank you...one more question, are left or right modifiers needed

  5. #5
    Join Date
    Apr 2007
    Columbia, MO


    If the procedure is performed on the left only or the right side only of a defined bilateral body part or organ. Remember skin is a continuous organ which has no laterality and you do not use LT, RT, or 50 for skin procedures.

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