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S455
S455 – Ureterointestinal anastomosis - unilateral
OHIP Urology Code — UROGENITAL AND URINARY SURGICAL PROCEDURES · Schedule of Benefits
Ureterointestinal anastomosis - unilateral
When to Use
- Use S455 for a unilateral uretero-ileal or uretero-colonic anastomosis performed as a primary reconstructive procedure following cystectomy.
- Use this code when performing a unilateral ureteral reimplantation into an isolated bowel segment (e.g., ileal conduit or continent reservoir) where only one side is addressed.
Common Pitfalls
- Billing S455 bilaterally is a common error; if both ureters are anastomosed, you must use the appropriate bilateral code or ensure the claim reflects the unilateral nature of S455.
- Attempting to bill S455 alongside more comprehensive bladder reconstruction codes may trigger a rejection for unbundling if the anastomosis is considered an inherent component of the primary procedure.
- Failure to obtain prior authorization for a second surgical assistant is a frequent audit risk, as S455 is not on the pre-approved list for second assistants.
Billing Tips
- If performing bilateral ureterointestinal anastomosis, verify if a specific bilateral code exists in the Schedule of Benefits to avoid claim rejection for duplicate or incorrect coding.
- Ensure the operative report clearly specifies the unilateral nature of the anastomosis to support the use of S455 over more extensive reconstructive codes.
Provider Fee$355.60
Surgical Assistant Fee$77.46
Anaesthetist Fee$111.72
Non-Anaesthetist Fee$111.72
Effective: April 1, 2026
Category
T. Urogenital and Urinary Surgical Procedures
Subcategory
UROGENITAL AND URINARY SURGICAL PROCEDURES
Service Type
Surgical
Code Classes
Haematic and Lymphatic Surgical Procedures
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