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Billing code

G414A — Routine Eeg - Technical Component

Routine EEG, technical part

Bill G414 for recording a routine EEG of at least 20 minutes, preparing the records and sending a signed report.

Watch for: Not payable with G541 or with any sleep study, and not payable for hospital in-patients.

Code

G414A

Description

Routine Eeg - Technical Component

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

Technical component of a routine EEG: performing the recording, preparing records and the signed report.

What it covers

A routine EEG is at least a 20-minute recording with referential and bipolar montages and at least 8 channels (except in neonates). Hyperventilation and photic stimulation should be done whenever clinically possible (J84).

The technical component covers preparing the patient, performing the test, records for the interpreting physician, a signed written report to the referring provider, and the premises, equipment and staff (J2). The interpretation is billed as G415 or G418 (J84).

Billing rules

• Not payable with G541 (sleep-deprived/induced or video EEG technical) (J84).
• No EEG service is payable with an overnight or daytime sleep study (J898, J899, J990, J896, J897, J895, J890, J889, J893 or J894) (J84).
• When rendered in a hospital, this technical component is paid at 86.10% of the listed fee (GP11).
• Not payable for a hospital in-patient, or for a patient admitted to the same hospital within 24 hours for the same condition (GP11).
• You must have the training and experience to render the technical component and keep documentation of your quality-assurance process (GP11).

Often billed with

• G415 or G418 routine EEG professional component (J84).
• G546/G542 radiotelemetry or portable recording, added to routine fees (J85).

Common rejections

• ADH: OHIP describes this as 'Cannot be billed together': G414 is not payable with G541 for the same patient (J84).

Related codes: G415, G418, G541, G542, G544, G554

Source: Schedule of Benefits (July 1, 2026), Diagnostic and Therapeutic Procedures, Neurology, Electroencephalography, page J84. Rules GP11.

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