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M052 – Median frontal sinusotomy

OHIP Respiratory Surgical Procedures Code — RESPIRATORY SURGICAL PROCEDURES · Schedule of Benefits

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Median frontal sinusotomy (Draf III / Modified Lothrop) performed via an endoscopic approach to the accessory nasal sinuses.
Must be documented in the operative report.
If E845 is claimed, documentation must support the specific clinical criteria (distorted anatomy or proximity to critical structures).
M050Frontal sinusotomy, extended, Draf II, unilateralM083Intranasal ethmoidectomyZ318Trephine or endoscopic frontal sinusotomy, including Draf I

M052 is not eligible for the morbid obesity premium (E676).

Multiple procedures rule: If performed with another procedure under the same anaesthesia, the major procedure is paid at 100% and the lesser at 85%.

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