Oxygen Treatment of Inner Ear/Carbon Therapy

50.5 - Oxygen Treatment of Inner Ear/Carbon Therapy (Rev. 1, 10-03-03) CIM 35-29 Not Covered Oxygen (95 percent) and carbon dioxide (5 percent) inhalation therapy for inner ear disease, such as endolymphatic hydrops and fluctuant hearing loss, is not reasonable and necessary. The therapeutic benefit deriving from this procedure is highly questionable.