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M023
M023 – External or transantral ethmoidectomy - unilateral
OHIP Respiratory Surgical Procedures Code — RESPIRATORY SURGICAL PROCEDURES · Schedule of Benefits
External or transantral ethmoidectomy, unilateral (to include Caldwell-Luc with transantral approach).
Anaesthesia (suffix C) base units are 10. Assistant (suffix B) base units are 6.
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