G499Intravenous tolbutamide test
DIAGNOSTIC AND THERAPEUTIC PROCEDURES · ENDOCRINOLOGY AND METABOLISM
$49.80What this reference tells you
G499 identifies the Ontario insured service described as “Intravenous tolbutamide test.” 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.