AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2015 Issue 1; Ask the Editor

Fistulectomy with Placement of Seton

A 61-year-old male patient with history of recurrent perirectal abscesses and fistulas, status post multiple incisions, drainages, and debridements, underwent surgical treatment of a complex recurrent fistula in ano with placement of a holding seton. During surgery, a probe was placed in the external opening where the fistula was deep into the perineal subcutaneous tissue and fascia (ischiorectal space). Electrocautery was used to open the tract in the direction of the rectum. The probe was passed around the sphincter, and a vessel loop was placed around the remaining tract and sphincter muscle, and tied to itself as a holding seton. The tract consisting of perineal subcutaneous tissue and fascia was excised and curetted. What is/are the appropriate root operation(s) for the fistulectomy with holding seton? ...

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