G426Glaucoma provocative tests, including water drinking tests
DIAGNOSTIC AND THERAPEUTIC PROCEDURES · OPHTHALMOLOGY
$9.70What this reference tells you
G426 identifies the Ontario insured service described as “Glaucoma provocative tests, including water drinking tests.” 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.