Summary & Overview
CPT 46753: Thiersch Operation for Anal Canal Repair
CPT code 46753 denotes the Thiersch operation, a surgical procedure placing a skin graft, suture, or steel wire around the anal canal to manage rectal incontinence or prolapse. The code captures a niche but clinically important reconstructive technique used when less invasive measures are insufficient. Nationally, accurate coding for this procedure matters for surgical quality measurement, appropriate reimbursement, and tracking utilization of specialty anorectal interventions.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical context for the procedure, typical sites of service, and the types of data elements that influence coverage and billing for this service. The publication summarizes benchmarking considerations and common billing modifiers used when documenting surgical operations, and highlights policy-relevant themes such as site-of-service distinctions and the implications of procedural coding for claims adjudication.
This resource is intended to orient clinicians, coding professionals, and policy analysts to the clinical intent of CPT code 46753, what documentation and coding capture, and where to focus further review for payer-specific coverage and reimbursement details. Data not available in the input for payer-specific rates, allowed amounts, or utilization metrics.
Billing Code Overview
CPT code 46753 describes a Thiersch operation, a surgical procedure in which the provider places a skin graft, suture, or steel wire around the anal canal to treat rectal incontinence or prolapse. The procedure is a form of perianal reconstructive surgery aimed at improving continence and supporting rectal anatomy.
Service type: Surgical — perianal/rectal reconstructive procedure
Typical site of service: Operating room or ambulatory surgical center
Clinical & Coding Specifications
Clinical Context
A typical patient is an older adult presenting with symptomatic fecal incontinence or external rectal prolapse after conservative measures failed. The patient has chronic weakness of the anal sphincter or recurrent mucosal prolapse and is evaluated by a colorectal surgeon. Preoperative assessment includes history, anorectal exam, possible anal manometry or endoanal ultrasound, and discussion of operative options. The Thiersch operation (CPT 46753) is offered when a minimal, sphincter-constricting procedure is appropriate — for example in frail patients or when definitive sphincter repair is not feasible. The procedure is performed in an operating room or ambulatory surgery center under regional or general anesthesia. The surgeon places a constricting material (skin graft, suture, or steel wire) circumferentially around the anal canal to narrow the outlet and reduce incontinence or prolapse. Typical workflow: preop evaluation and informed consent, anesthesia and positioning, operative placement of the constricting material, intraoperative assessment of anal patency, postoperative recovery with short observation or same-day discharge, and follow-up visits to monitor for ischemia, erosion, infection, or recurrence. Care coordination may include wound care nursing and referral for pelvic floor rehabilitation as needed.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services |