| Full description | Other fracture of upper end of unspecified ulna, subsequent encounter for closed 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 | S52.099 — Other fracture of upper end of unspecified ulna |