Summary & Overview
CPT 45150: Incision of Rectal Stricture
CPT code 45150 denotes a surgical incision or division of a rectal stricture, a targeted colorectal operation used to relieve narrowing of the rectum due to malignancy, scarring, or other obstructive causes. Nationally, this code captures a focused set of colorectal surgical interventions that affect hospital and ambulatory surgical center utilization, perioperative planning, and reimbursement for surgeons and facilities.
Key payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical indications and settings for the procedure, payer coverage considerations, commonly reported modifiers, and how 45150 maps to colorectal surgical service lines. The publication summarizes benchmark metrics where available, highlights recent policy shifts impacting surgical authorization and bundling, and explains how the code is used in clinical documentation and billing workflows.
This report is intended for clinicians, coding and billing professionals, and policy analysts seeking a concise reference on clinical context, typical sites of service, and payer considerations tied to CPT code 45150.
Billing Code Overview
CPT code 45150 describes a surgical procedure to divide (incise) a stricture of the rectum, the terminal portion of the large intestine that connects to the anus. The procedure is performed to relieve narrowing caused by tumor, scar formation, or other obstructive processes.
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Service type: Surgical, anorectal/colorectal procedure
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Typical site of service: Hospital operating room or ambulatory surgical center
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult presenting with progressive anorectal obstructive symptoms such as difficulty passing stool, narrow-caliber stools, intermittent rectal pain, and occasional rectal bleeding. Workup includes history and physical exam, anoscopy or flexible sigmoidoscopy to visualize the stricture, and imaging (contrast enema or pelvic MRI) when malignancy or complex stricture is suspected. Biopsy is performed if a tumor is suspected. After conservative measures (dilatation, topical therapy) fail or when the stricture is fixed or secondary to scar tissue or tumor, the surgeon schedules a operative procedure for surgical division or incision of the rectal stricture under appropriate anesthesia. The procedure may be done in an operating room or ambulatory surgical center; intraoperative steps include identification of the stricture, careful incision and scar excision as indicated, hemostasis, and assessment of lumen patency. Postoperative workflow includes pain control, stool softeners, activity restrictions, wound or anorectal care, and follow-up endoscopic or clinical evaluation to monitor healing and recurrence. Typical provider specialties involved are colorectal surgery, general surgery with colorectal expertise, and sometimes gastroenterology for pre- and post-procedure evaluation.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | Default/No modifier specified | Rarely appended; indicates standard service as billed |