What is OHIP billing code G176?

G176 is "Atrial pacing and mapping", an OHIP Diagnostic & Therapeutic Procedures code from the Ontario Schedule of Benefits (Physician Services).

How much does G176 pay?

The current OHIP fee for G176 is $334.25, effective 2025-04-01, per the Ontario Schedule of Benefits.

How do I bill G176 to OHIP?

G176 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates G176 claims against the Schedule of Benefits rules before submission.

What codes are related to G176?

Codes related to G176 in the Schedule of Benefits include G060, G061, G062, G065, G066, G067, G068, G082.

All codes

G176

G176 – Atrial pacing and mapping

OHIP Diagnostic & Therapeutic Procedures Code — DIAGNOSTIC AND THERAPEUTIC PROCEDURES · Schedule of Benefits

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This code represents a major invasive procedure. It is eligible for after hours procedure premiums under specific conditions outlined in the Schedule of Benefits. These premiums apply when the service is non-elective, or if an elective procedure is delayed by an intervening surgical emergency and commences between specified after-hours periods. Premiums include: - E409 (50% increase) or E410 (75% increase) for physicians other than Emergency Department Physicians. - E412 (20% increase) or E413 (40% increase) for Emergency Department Physicians. This service is also eligible for the E420 trauma premium. See and for complete rules.

When to Use

Use G176 for atrial pacing and mapping procedures when performed as a standalone diagnostic or therapeutic intervention.
Use G176 in conjunction with Z423 when the procedure utilizes an advanced nonfluoroscopic computerized mapping system or exceeds a total duration of 4 hours.

Common Pitfalls

Attempting to bill E420 (trauma premium) alongside after-hours premiums (E409-E413) for the same G176 procedure, which is prohibited by the Schedule of Benefits.
Failing to document the specific Injury Severity Score (ISS) in the medical record when claiming the E420 trauma premium, leading to automatic audit recovery.
Billing G176 with G177, as these are generally considered mutually exclusive unless specific clinical criteria for separate procedures are met and documented.

Billing Tips

Ensure the 'H' prefix is used for all claims if you are an Emergency Department Physician, as this is a strict requirement for the eligibility of E412 and E413 premiums.
Always append Z423 to the G176 claim if the procedure duration exceeds 4 hours, even if an advanced mapping system was not utilized.

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Provider Fee$334.25

Surgical Assistant Fee$167.13

Effective: April 1, 2025

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