G344Phentolamine test
DIAGNOSTIC AND THERAPEUTIC PROCEDURES · ENDOCRINOLOGY AND METABOLISM
$42.30What this reference tells you
G344 identifies the Ontario insured service described as “Phentolamine 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.