H91.2: Sudden idiopathic hearing loss inclusionTerm Sudden hearing loss NOS |
| 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 |