| Full description | Pathological fracture in neoplastic disease, unspecified ulna and radius, subsequent encounter for fracture with malunion |
| 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 | M84.539 — Path fracture in neoplastic disease, unsp ulna and radius |