Complete oblique atypical femoral fracture, unsp leg, 7thK

This code signifies a complete fracture of the femur that runs obliquely, is considered atypical, and the specific leg affected is not documented. The patient is in a subsequent phase of care for this fracture, and a significant complication of nonunion (failure of the bone to heal) has occurred.

This code is appropriate for follow-up encounters where a patient with a previously diagnosed atypical oblique femoral fracture, whose laterality is unspecified, presents with documented nonunion. Documentation should clearly state the fracture type, the presence of nonunion, and that this is not the initial treatment encounter.

• Ensure documentation specifies "atypical" and "oblique" for the femoral fracture.
• Verify that "nonunion" is explicitly stated as a complication, not just delayed healing.
• Confirm this is a subsequent encounter; initial treatment would use a different code.