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Thread: Excision of exostosis - Help

  1. #1

    Default Excision of exostosis - Help

    AAPC: Back to School
    I coded the below surgery as 27635 and DX 726.91. Insurance is denying as DX does not match procedure. Under CPT 27640 and 27641 is states for excision of exostosis, use 27635.
    First I would like to make sure Im coding this correctly and if I am, does anyone know of any documentation that can help to get this paid/ Any help would be appriciated.

    DIAGNOSIS: Osteophytes/exostosis on the lateral ankle gutter region.

    OPERATION PERFORMED: Excision of exostosis/osteophytes lateral ankle gutter region.

    There were osteophytes on the anterior part of the fibula as well as the anterolateral aspect of the talus and these were debrided at this time using rongeurs and a rasp. We elevated a sleeve of tissue off the anterior part of the fibula so we could do a pants-over-vest reconstruction of the lateral ligaments. Once we had
    elevated this tissue with a sharp knife, we used a combination of a rongeur and a curette to create a good bleeding trough for our repair. Once we did this, we irrigated with copious Bacitracin laden irrigation. We then proceeded to perform a pants-over-vest suturing and imbrication of the lateral ligaments using interrupted 2-0 Ethibond sutures. After we placed these sutures in
    position, we held the ankle in neutral dorsiflexion and plantar flexion with slight eversion and tightened the ligaments down. When we finished this, we took the ankle through an initial stability examination. It had good tension and good stability. We brought up the inferior extensor retinaculum, we reinforced the repair with interrupted 2-0 Vicryl sutures. We sutured the inferior retinaculum to the flap left over from the pants-over-vest reconstruction.

  2. #2
    Join Date
    Apr 2007
    Kansas City


    I would copy the page out of the CPT book that you mention and send it with the operative report and do an appeal.

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