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How to measure total sq cm

  1. #1
    Question How to measure total sq cm
    Medical Coding Books
    Can anyone tell how you get the total sq cm. For instance if the report says 4.0 cm X 3.5 cm. This is for debridgement, which leads me to part two of my question. Is the method the same for all ie debridgement, lesion removal etc.?
    Ms Anna, CPC

  2. #2
    Ft. Worth, Texas
    To find the square cm you multiply length x width = sq. cm.


  3. #3
    Milwaukee WI
    Default Math question answered
    I'm a little confused by your question, MsAnna

    The math is easy ... to find sq cm you multiply length x width.

    The harder part is determining if you really need square cm or you just need length or diameter. You mention lesions .... if you are excising a lesion you measure across the widest diameter, plus smalled margin necessary for removal (physician should measure BEFORE surgery, and document this measurement in the operative/procedure note). If you are doing a tissue rearrangement, you will need the sq cm measurement of the flap and primary defect, added together; CPT tells us not to code the lesion removal separately in cases where the wound is closed via a flap.

    All this information can be found by reading the guidelines in your CPT manual carefullly. Study the illustrations as well, because they provide some clarification.

    Hope that helps.

    F Tessa Barteles, CPC, CEMC

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