Nondisp fx of base of 3rd MC bone, r hand, 7thK

This code signifies a fracture at the base of the third metacarpal bone in the right hand that has not shifted from its anatomical position. The "subsequent encounter" indicates that the patient is receiving follow-up care for this previously diagnosed fracture, and "nonunion" specifies that the bone fragments have failed to heal together after the expected healing period.

Apply this code when documenting follow-up care for a patient with a right third metacarpal base fracture that was initially nondisplaced, but has now been determined to have failed to unite. This would be used for visits related to ongoing management, assessment of nonunion, or planning for further intervention (e.g., surgery for nonunion).

• Ensure documentation clearly states "nonunion" and specifies the right hand and third metacarpal base.
• Verify that the fracture was initially nondisplaced; displaced fractures have different codes.
• This code is for subsequent encounters; an initial encounter for the same fracture would use a different seventh character.