G321professional component
DIAGNOSTIC AND THERAPEUTIC PROCEDURES · ELECTROCARDIOGRAPHY (ECG)
$47.65What this reference tells you
G321 identifies the Ontario insured service described as “professional component.” 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.