| H74.321 | Partial loss of ear ossicles, right ear | BILLABLE CODE |
| H74.322 | Partial loss of ear ossicles, left ear | BILLABLE CODE |
| H74.323 | Partial loss of ear ossicles, bilateral | BILLABLE CODE |
| H74.329 | Partial loss of ear ossicles, unspecified ear | BILLABLE CODE |
