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Thread: Mastectomy with sentinel lymph node

  1. #1

    Default Mastectomy with sentinel lymph node

    AAPC: Back to School
    Can someone tell me if a sentinel lymph node bx is bundled with the mastectomy or is it a separate payment?. It is the same incision site, do I code it separate with a 59?

  2. #2
    Join Date
    Apr 2007


    Letisha, it depends on the planned procedure.

    Example of when to bill both: The planned procedure was mastectomy, partial, SLN bx returns from pathology as malignant. (Results changed the planned procedure to mastectomy w/axilllary lymphadenectomy).
    Remember to append 59 modifier to SLN Bx.

    Example of when NOT to bill SLN Bx w/ Mastectomy: The planned procedure was mastectomy w/axillary lymphadenectomy, SLN bx results are malignant. (Results did not change planned procedure).
    Hopes this helps?
    Evangelina Frohna, CPC, CEMC

  3. #3

    Default Masectomy Reply

    Thank you Evangelina. The information you gave has been really helpful. Thanks!

  4. #4


    It is coded separately when the mastectomy is partial or simple, and ONLY the sentinel node(s) removed.
    C.Martin, CPC-GENSG

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