H91.2 - Sudden idiopathic hearing loss H91 - Other and unspecified hearing loss H91.2 - Sudden idiopathic hearing loss
H91.20 - Sudden idiopathic hearing loss, unspecified ear H91.21 - Sudden idiopathic hearing loss, right ear H91.22 - Sudden idiopathic hearing loss, left ear H91.23 - Sudden idiopathic hearing loss, bilateral