What is OHIP billing code E325?

E325 is "Facial nerve decompression", an OHIP Surgical Assists code from the Ontario Schedule of Benefits (Physician Services).

How much does E325 pay?

The current OHIP fee for E325 is $642.45, effective 2025-04-01, per the Ontario Schedule of Benefits.

How do I bill E325 to OHIP?

E325 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates E325 claims against the Schedule of Benefits rules before submission.

What codes are related to E325?

Codes related to E325 in the Schedule of Benefits include E336, E337, E957, E959, E333, E326, E327, E328.

All codes

E325

E325 – Facial nerve decompression

OHIP Surgical Assists Code — AURAL SURGICAL PROCEDURES · Schedule of Benefits

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Facial nerve decompression is a surgical procedure. The fee for this service can be claimed with suffix 'A' for the surgeon, 'B' for a surgical assistant, and 'C' for an anaesthetist, each with specific unit-based calculations.

When to Use

Use E325 for decompression of the facial nerve in cases of traumatic injury where the nerve is compromised, distinguishing it from simple nerve repair codes like E333.
Apply this code for surgical decompression necessitated by inflammatory or infectious processes, such as severe otitis media complications, where the nerve sheath must be opened to relieve pressure.

Common Pitfalls

Billing E325 alongside other mastoid or middle ear procedures without ensuring the 'major procedure' rule is followed, which dictates that assistant and anaesthetic units must be based on the primary procedure only.
Failing to document the specific indication for decompression, leading to potential audit rejections if the claim is indistinguishable from routine mastoidectomy or tympanoplasty codes.
Incorrectly applying after-hours premiums (E409/E410) to elective cases; these premiums are strictly reserved for non-elective procedures or those delayed by an intervening surgical emergency.

Billing Tips

Ensure the surgical assistant and anaesthetist claims explicitly reference the major procedure code if multiple procedures are performed, as per General Preamble GP85 and GP93.
If the patient is under 16, verify that the trauma premium (E420) is only claimed if the Injury Severity Score (ISS) is greater than 12 and clearly documented in the chart.

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Provider Fee$642.45

Surgical Assistant Fee$75.06

Anaesthetist Fee$154.90

Non-Anaesthetist Fee$154.90

Effective: April 1, 2025

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