| Full description | Stress fracture, left ulna, subsequent encounter for fracture with nonunion |
| Billable | Yes |
| Chapter | Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99) |
| Section | Disorders of bone density and structure (M80-M85) |
| Parent code | M84.332 — Stress fracture, left ulna |