All codes
E322
E322 – Modified or radical mastoidectomy
OHIP Ocular and Aural Surgical Procedures Code — AURAL SURGICAL PROCEDURES · Schedule of Benefits
A modified or radical mastoidectomy. This is an excision procedure of the middle ear. Add-on codes are available for concomitant procedures:
• E946: with mastoid cavity obliteration
• E959: with meatoplasty and/or canalplasty
• E960: with ossiculoplasty
• E985: with tympanoplasty
This procedure is listed under the Ocular and Aural Surgical Procedures section of the Schedule of Benefits.
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