| Full description | Unspecified injury of ulnar artery at forearm level, left arm |
| 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 elbow and forearm (S50-S59) |
| Parent code | S55.00 — Unspecified injury of ulnar artery at forearm level |
| Requires 7th character | Yes |