| Full description | Unspecified superficial injuries of right back wall of thorax |
| Billable | No — use a more specific child code |
| Chapter | Chapter 19: Injury, poisoning and certain other consequences of external causes (S00-T88) |
| Section | Injuries to the thorax (S20-S29) |
| Parent code | S20.40 — Unspecified superficial injuries of back wall of thorax |
| Requires 7th character | Yes |