| Full description | Breakdown (mechanical) of internal fixation device of other bones |
| Billable | No — use a more specific child code |
| Chapter | Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88) |
| Section | Complications of surgical and medical care, not elsewhere classified (T80-T88) |
| Parent code | T84.21 — Breakdown (mechanical) of internal fixation device of bones |
| Requires 7th character | Yes |