M058Radical frontal sinusectomy for tumour, radical exenteration of disease with drill out for access, or ostium revision
RESPIRATORY SURGICAL PROCEDURES · ACCESSORY NASAL SINUSES - EXTERNAL OR ENDONASAL APPROACH
$460.20What this reference tells you
M058 identifies the Ontario insured service described as “Radical frontal sinusectomy for tumour, radical exenteration of disease with drill out for access, or ostium revision.” 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.