G337Antidiuretic hormone response test including the 8 hour water deprivation test
DIAGNOSTIC AND THERAPEUTIC PROCEDURES · ENDOCRINOLOGY AND METABOLISM
$16.95What this reference tells you
G337 identifies the Ontario insured service described as “Antidiuretic hormone response test including the 8 hour water deprivation test.” The listed fee and rules are reference data; the clinical record must support the service actually performed.
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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.