| Full description | Torus fracture of upper end of unspecified ulna, subsequent encounter for fracture with nonunion |
| Billable | Yes |
| 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 | S52.019 — Torus fracture of upper end of unspecified ulna |