| Full description | Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter |
| 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 | S21.409 — Unsp opn wnd unsp bk wl of thorax w penet thoracic cavity |