Path fx in oth disease, hip, unsp, subs for fx w nonunion

This code signifies a hip fracture that occurred due to an underlying disease process, rather than trauma, and has failed to heal properly after initial treatment. The "subsequent encounter" indicates ongoing care for the nonunion, while "unspecified" refers to the laterality of the hip.

Use this code for patients presenting for follow-up care, evaluation, or treatment of a hip nonunion that resulted from a pathological fracture. Documentation should clearly state the pathological nature of the fracture, the hip involvement, and the ongoing nonunion status.

• Always sequence the underlying disease causing the pathological fracture first, if known and actively treated.
• Ensure documentation specifies "nonunion" and not just delayed healing for accurate code assignment.
• Verify laterality (left, right, bilateral) if available; "unspecified" should only be used when laterality is truly undocumented.