What is OHIP billing code E124?

E124 is "Limbal stem cell transplant", an OHIP Surgical Assists code from the Ontario Schedule of Benefits (Physician Services).

How much does E124 pay?

The current OHIP fee for E124 is $740.00, effective 2025-04-01, per the Ontario Schedule of Benefits.

How do I bill E124 to OHIP?

E124 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates E124 claims against the Schedule of Benefits rules before submission.

All codes

E124

E124 – Limbal stem cell transplant

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

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Limbal stem cell transplant is a surgical procedure involving the replacement of corneal tissue. The service fee includes allowances for an assistant (6 basic units) and anaesthesia (8 basic units). Per the schedule, E117 is not eligible for payment with E124.

When to Use

Use E124 when performing a limbal stem cell transplant for patients with limbal stem cell deficiency.
Use this code for autologous or allogeneic limbal stem cell grafts where the primary surgical intent is the restoration of the corneal limbus.

Common Pitfalls

Attempting to bill E117 in conjunction with E124 will result in an automatic rejection, as they are mutually exclusive.
Failing to account for the included assistant and anaesthesia units, which are already bundled into the $740.00 fee, leads to incorrect billing of additional surgical assist or anaesthesia premiums.

Billing Tips

Ensure the claim includes the appropriate age premium if the patient is under 16 years of age, as these are eligible add-ons to the base E124 fee.

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Provider Fee$740.00

Surgical Assistant Fee$75.06

Anaesthetist Fee$123.92

Non-Anaesthetist Fee$123.92

Effective: April 1, 2025

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