Disp fx of med malleolus of l tibia, 7thM

This code describes a situation where the inner ankle bone (medial malleolus) of the left lower leg has a break that is not properly aligned, and the skin was broken at the time of the injury (an open fracture, specifically Type I or II). The fracture is failing to heal after an initial treatment.

This code is used for follow-up encounters when a patient with a previously treated open Type I or II displaced medial malleolus fracture of the left tibia is experiencing nonunion. This indicates that the bone fragments are not fusing together as expected. It would be applied during subsequent visits for ongoing management, evaluation of nonunion, or planning for further intervention.

• Ensure documentation clearly specifies "displaced" and "medial malleolus of left tibia."
• Verify the original injury was an "open fracture type I or II" and that the current encounter is for "nonunion."
• Do not use this code for initial encounters or for fractures that are healing normally.