| Full description | Unspecified open wound of unspecified part of thorax, sequela |
| Billable | Yes |
| Chapter | Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88) |
| Section | Injuries to the thorax (S20-S29) |
| Parent code | S21.90 — Unspecified open wound of unspecified part of thorax |