| ICD-10 Code | Description |
| H68.101 | Unspecified obstruction of Eustachian tube, right ear |
| H68.102 | Unspecified obstruction of Eustachian tube, left ear |
| H68.103 | Unspecified obstruction of Eustachian tube, bilateral |
| H68.109 | Unspecified obstruction of Eustachian tube, unspecified ear |
| H68.111 | Osseous obstruction of Eustachian tube, right ear |
| H68.112 | Osseous obstruction of Eustachian tube, left ear |
| H68.113 | Osseous obstruction of Eustachian tube, bilateral |
| H68.119 | Osseous obstruction of Eustachian tube, unspecified ear |
| H68.121 | Intrinsic cartilagenous obstruction of Eustachian tube, right ear |
| H68.122 | Intrinsic cartilagenous obstruction of Eustachian tube, left ear |
| H68.123 | Intrinsic cartilagenous obstruction of Eustachian tube, bilateral |
| H68.129 | Intrinsic cartilagenous obstruction of Eustachian tube, unspecified ear |
| H68.131 | Extrinsic cartilagenous obstruction of Eustachian tube, right ear |
| H68.132 | Extrinsic cartilagenous obstruction of Eustachian tube, left ear |
| H68.133 | Extrinsic cartilagenous obstruction of Eustachian tube, bilateral |
| H68.139 | Extrinsic cartilagenous obstruction of Eustachian tube, unspecified ear |
