Disp fx of prox phalanx of unsp fngr, subs for fx w malunion

This code signifies a fracture of the upper part of a finger bone (proximal phalanx) that has healed incorrectly, resulting in a deformity (malunion). The specific finger involved is not documented. This code is used when the patient is receiving follow-up care for this previously treated, but now malunited, fracture.

Apply this code when a patient presents for evaluation or treatment of a malunited fracture of the proximal phalanx of an unspecified finger, and the initial fracture treatment has already occurred. This includes scenarios where the patient is experiencing pain, limited range of motion, or cosmetic concerns due to the malunion.

• Ensure documentation clearly states "malunion" and that the encounter is for follow-up care of the fracture.
• Verify that the specific finger is not identified in the medical record; otherwise, a more specific code should be used.
• This code is for a displaced fracture; confirm displacement was present in the original injury or subsequent imaging.