G657professional component - 60 hours to 13 days recording ..
DIAGNOSTIC AND THERAPEUTIC PROCEDURES · CONTINUOUS ECG MONITORING (E.G. HOLTER)
$68.20What this reference tells you
G657 identifies the Ontario insured service described as “professional component - 60 hours to 13 days recording ...” The listed fee and rules are reference data; the clinical record must support the service actually performed.
Before using this code
Confirm the current Ministry publication, the patient and provider context, the date of service, and documentation supporting the claim. A searchable reference does not establish eligibility or guarantee payment.