AMA CPT Knowledge Base - Mar 30, 2012

A parenthetical note under code 27640 states, For exostosis excision, use 27635 (Excision or curettage of bone cyst or benign tumor, tibia or fibula). Can it be inferred that these codes may be used for any excision of exostosis or does the surgeon have to have docu-mented that the patient had a bone cyst or benign tumor?

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