debridement of non healing internal sphincterotomy wound, cpt?

Karen A.

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Grants Pass
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Patient had a non healing lateral internal sphincterotomy wound. The internal sphinceterotomy incision had a "fair amount of granulation tissue, and it simply never closed". "The granulation tissue was curetted out. The area was then cauterized.......then closed" using suture. The most appropriate CPT I find is 46940. Does anyone have any insight or suggestions?
 
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