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50 modifier and number of units

  1. Default 50 modifier and number of units
    Medical Coding Books
    When you append the 50 modifier for bilateral service, double the charge, DO you also bill out at 2 units?

    Thank you

  2. #2
    North Carolina
    I only have one carrier that requires 2 units. All other carriers require 1 unit.

  3. Default
    Although I do not have a reference; i would report the procedure with the modifier -50, the appropriate price (reflecting B/L proc) and one unit. Reporting the procedure with the -50 at 2 units would indicate that you performed the bilateral procedure twice.

    Hope this helps
    Anthony McCallum, CPC, CIRCC, CPC-I, CCS

  4. #4
    North Carolina
    Excerpt from BCBSNC's administrative website.......

    "Modifier -50 should be used for bilateral procedures. Bilateral procedures should be listed on the claim as a single line item, with modifier -50, and a two in the units field."

    This could become carrier specific but again...this in my only carrier, in my region, that has this requirement.

  5. #5
    this is definitely carrier driven. I have carriers that want them on separate lines with rt/lt rather than the 50 modifier.

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