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S251
S251 – Fistula-in-ano - exploration of fistula tract and insertion of Seton drain and/or fistulotomy
OHIP Urology Code — DIGESTIVE SYSTEM SURGICAL PROCEDURES · Schedule of Benefits
Surgical procedure for the treatment of a fistula-in-ano. The '#' prefix indicates that when this service is rendered in a hospital, the premises, equipment, supplies, and personnel are funded by the hospital's global budget. When rendered in an Independent Health Facility (ICHSC), these costs are covered by the facility's funding. If performed outside these settings, patients cannot be charged for these components (see ).
When to Use
- Use S251 for the surgical exploration of a fistula-in-ano tract combined with the placement of a Seton drain.
- Use S251 when performing a formal fistulotomy for a fistula-in-ano, as this code specifically encompasses both drainage and tract exploration/excision.
Common Pitfalls
- Do not bill S251 alongside S250; S251 is the specific code for fistula-in-ano procedures, whereas S250 is intended for different anorectal conditions.
- Failure to apply the E811 premium for recurrent fistulae is a common missed revenue opportunity, as it provides a 25% increase specifically for S251.
Billing Tips
- Always append the E811 premium to your S251 claim if the operative report confirms the procedure is for a recurrent fistula to ensure the 25% fee increase is captured.
Provider Fee$234.45
Surgical Assistant Fee$77.46
Anaesthetist Fee$95.76
Non-Anaesthetist Fee$95.76
Effective: April 1, 2026
Since Oct 2005, this fee has increased 10.0% vs 52.9% CPI inflation
Category
S. Digestive System Surgical Procedures
Subcategory
DIGESTIVE SYSTEM SURGICAL PROCEDURES
Service Type
Surgical
Code Classes
Digestive System Surgical Procedures
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