What is OHIP billing code S329?

S329 is "Strangulated or incarcerated inguinal or femoral hernia - without resection of bowel", an OHIP Urology code from the Ontario Schedule of Benefits (Physician Services).

How much does S329 pay?

The current OHIP fee for S329 is $425.00, effective 2025-04-01, per the Ontario Schedule of Benefits.

How do I bill S329 to OHIP?

S329 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates S329 claims against the Schedule of Benefits rules before submission.

What codes are related to S329?

Codes related to S329 in the Schedule of Benefits include S330, S322, S326, S323, S328, E726.

All codes

S329

S329 – Strangulated or incarcerated inguinal or femoral hernia - without resection of bowel

OHIP Urology Code — DIGESTIVE SYSTEM SURGICAL PROCEDURES · Schedule of Benefits

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Provides for the surgical repair of a strangulated or incarcerated inguinal and/or femoral hernia. This service is performed when there is no associated resection of the bowel required. See S330 for the equivalent procedure with bowel resection. As a procedure for a strangulated or incarcerated hernia, it is considered non-elective.

When to Use

Use S329 when performing an urgent or emergent repair of an incarcerated or strangulated inguinal or femoral hernia where the bowel is viable and does not require resection.
Use S329 for non-elective hernia repairs where the clinical documentation confirms incarceration or strangulation, distinguishing it from elective hernia repairs like S322 or S326.

Common Pitfalls

Billing S329 when bowel resection is performed; if resection occurs, you must use S330 instead to avoid claim rejection or audit discrepancies.
Attempting to bill a second surgical assistant without prior authorization; S329 is not on the pre-approved list for multiple assistants per GP90.
Failing to document the specific clinical findings of incarceration or strangulation, which are mandatory to justify the non-elective nature of the S329 fee.

Billing Tips

If the procedure is performed after hours, ensure you append the appropriate E409 or E410 premium to the S329 base fee to capture the non-elective surgical uplift.
When repairing a recurrent hernia that is also incarcerated, you may stack the E725 add-on fee with S329, provided the recurrence criteria are met.

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Provider Fee$425.00

Surgical Assistant Fee$75.06

Anaesthetist Fee$108.43

Non-Anaesthetist Fee$108.43

Effective: April 1, 2025

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