| Code | Description |
| H80.00 | Otosclerosis involving oval window, nonobliterative, unspecified ear |
| H80.01 | Otosclerosis involving oval window, nonobliterative, right ear |
| H80.02 | Otosclerosis involving oval window, nonobliterative, left ear |
| H80.03 | Otosclerosis involving oval window, nonobliterative, bilateral |
| H80.10 | Otosclerosis involving oval window, obliterative, unspecified ear |
| H80.11 | Otosclerosis involving oval window, obliterative, right ear |
| H80.12 | Otosclerosis involving oval window, obliterative, left ear |
| H80.13 | Otosclerosis involving oval window, obliterative, bilateral |
| H80.20 | Cochlear otosclerosis, unspecified ear |
| H80.21 | Cochlear otosclerosis, right ear |
| H80.22 | Cochlear otosclerosis, left ear |
| H80.23 | Cochlear otosclerosis, bilateral |
| H80.80 | Other otosclerosis, unspecified ear |
| H80.81 | Other otosclerosis, right ear |
| H80.82 | Other otosclerosis, left ear |
| H80.83 | Other otosclerosis, bilateral |
| H80.90 | Unspecified otosclerosis, unspecified ear |
| H80.91 | Unspecified otosclerosis, right ear |
| H80.92 | Unspecified otosclerosis, left ear |
| H80.93 | Unspecified otosclerosis, bilateral |