Nondisp trimalleol fx l low leg, 7thM

This code signifies a trimalleolar fracture of the left lower leg that was initially open (Type I or II) and is now experiencing nonunion, meaning the bone fragments have failed to heal together. The fracture itself remains in its original anatomical position without displacement.

This code is appropriate for follow-up encounters where a patient with a previously diagnosed open trimalleolar fracture of the left lower leg is being treated for nonunion. It indicates that the fracture has not healed and requires ongoing management.

• Ensure documentation clearly specifies "left" lower leg and "nondisplaced" for accurate coding.
• Verify that the initial fracture was indeed an "open fracture type I or II" to justify this specific subsequent encounter code.
• Confirm that the encounter is for the management of "nonunion" and not for routine follow-up of a healing fracture.