Disp fx of dist phalanx of unsp fngr, subs for fx w nonunion

This code signifies a fracture of the furthest bone in an unidentifiable finger that has shifted out of its normal alignment. The "subsequent encounter" indicates the patient is receiving follow-up care for this fracture, and "nonunion" specifies that the bone fragments have failed to heal together after a typical healing period.

Apply this code when a patient presents for ongoing treatment of a previously diagnosed displaced distal phalanx fracture of an unspecified finger. This is appropriate when imaging or clinical assessment confirms that the fracture has not united and requires further intervention, such as revision surgery, bone grafting, or prolonged immobilization.

• Ensure documentation clearly states "nonunion" of the fracture.
• Verify the encounter is for follow-up care, not the initial treatment.
• Confirm the specific finger is not identified in the medical record.