G801after first ¼ hour (per ¼ hour or major part thereof)
DIAGNOSTIC AND THERAPEUTIC PROCEDURES · HYPERBARIC OXYGEN THERAPY (HBOT)
$41.90What this reference tells you
G801 identifies the Ontario insured service described as “after first ¼ hour (per ¼ hour or major part thereof).” 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.