Billing code
E234A — Lateral canthotomy
Lateral canthotomy
Bill for a canthotomy, an incision at the outer corner of the eyelids, listed under lateral canthal surgery.
Watch for: Not to be claimed with cataract surgery E140 or E141.
| Provider | Specialist | Assistant | Anaesthetist | Non-anaesthetist |
|---|---|---|---|---|
| $51.45 | $0.00 | $0.00 | $95.76 | $95.76 |
- Code
- E234A
- Description
- Lateral canthotomy
- FHO+ basket
- Not in the FHO+ base rate basket (Schedule 2 or 2B).
- Effective date
- Apr 1, 2026
- Termination date
- No end date
Explanation
Updated October 26, 2026
Lateral canthotomy: an incision at the outer corner of the eyelids, listed under lateral canthal surgery.
What it covers
E234 is a canthotomy, listed under lateral canthal surgery in the Eyelids procedures (Y11).
Related lateral canthal procedures are listed separately: E235 cantholysis when it is the primary procedure, and E236 lateral canthopexy (Y11).
Billing rules
- Not to be claimed with cataract surgery E140 or E141 (Y11).
- An anaesthetic or nerve block you give for your own procedure is not payable (SP5).
- Non-elective and started after hours: add E409 (+50%, weekday evenings and weekend/holiday days and evenings) or E410 (+75%, nights 00:00–07:00) (GP103–GP104, SP2).
- Age premiums of 10% to 30% apply for patients under 16 (GP64).
- Marked #: the fee does not include the premises, equipment, supplies or staff for the procedure itself, which the hospital or ICHSC funds (SP1).
Common rejections
- ADH: OHIP describes this as 'Cannot be billed together': E234 is not to be claimed with E140 or E141 (Y11).
Related codes: E235, E236, E930, E222, E942, E140, E141
Source: Schedule of Benefits (July 1, 2026), Ocular Surgical Procedures, Eyelids, page Y11.
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