Oth fx second MC bone, right hand, subs for fx w malunion

This code signifies a fracture of the second metacarpal bone in the right hand that has healed in an abnormal position, resulting in a malunion. This specific code is used when the patient is receiving follow-up care for this previously diagnosed and treated fracture with malunion.

Apply this code for patients presenting for ongoing management, physical therapy, or surgical intervention related to a malunited fracture of their right second metacarpal. This includes scenarios where the malunion is causing functional impairment or pain and requires further medical attention.

• Ensure documentation clearly specifies "malunion" and not "nonunion" or "delayed healing."
• Verify the encounter is "subsequent" for the fracture, indicating ongoing care after initial treatment.
• Confirm the fracture location is the second metacarpal of the right hand.