Chapter 1: Overview of Nasal Airway Obstruction Diagnostic & Treatment Methods May 20, 2016 Dean Toriumi, MD discusses nasal airway obstruction diagnosis and treatment methods. Related videos Webinar: LATERA and CPT code 30468Tricia Long, COPM Past president, ASCENT Webinar: LATERA 20mm implant & RCT dataJoshua Greene, MD Ascension St. Vincent Hospital Indianapolis, IN Video tags NAO LATERA nasal implant Nasal implant Nasal valve collapse