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E400 – After Hours Premium - Evenings, Weekends, and Holidays (50%)

OHIP Procedural Add-ons & Premiums Code · Schedule of Benefits

Billed by time of day

After-hours premium for surgical assistants and anaesthesiologists. By when the case starts. Billed with the B (assistant) or C (anaesthesia) suffix.. Toronto time.

Pick a date and time to see which code applies.

After-hours premium for surgical assistants and anaesthesiologists by time period
Weekday daytimeMon–Fri 07:00–17:00No code
Weekday eveningMon–Fri 17:00–24:00
  • E400(this code)
NightEvery day 00:00–07:00
Weekend or holidaySat, Sun & holidays 07:00–24:00
  • E400(this code)
A premium payable to surgical assistants (E400B) or anaesthesiologists (E400C) for cases commencing during evening hours (17:00h to 24:00h) on weekdays, or during daytime and evening hours on Saturdays, Sundays, or Holidays. The premium increases the total fee (basic units plus time units) by 50%.
The case must commence during the specified after-hours time periods.
For replacement services (E005B/C), start and stop times must be documented in the patient's permanent medical record.
Usage limits
Payable only when the case commences during the specified after-hours periods.

Holidays are defined as Family Day, Good Friday, Victoria Day, Canada Day, Civic Holiday, Labour Day, Thanksgiving, New Year’s Day, Christmas Day, and Boxing Day (with specific rules for weekends).

The premium applies to the total fee, which includes both basic and time units.

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