Oth fx upr end r ulna, 7thJ

This code signifies a non-specific fracture of the upper portion of the right ulna that was initially an open fracture (Type IIIA, IIIB, or IIIC) and is now being treated during a subsequent encounter. The key clinical feature is that the fracture is not healing at the expected rate, indicating delayed union.

This code is appropriate for follow-up visits where a patient with a previously diagnosed open fracture of the proximal right ulna (e.g., olecranon or coronoid process) is presenting with evidence of delayed healing. This includes situations where the bone fragments are not uniting or are uniting too slowly, requiring continued medical management.

• Ensure documentation clearly specifies "delayed healing" for this subsequent encounter.
• Verify the initial fracture was indeed an open fracture of type IIIA, IIIB, or IIIC.
• Confirm the fracture location is the upper end of the right ulna, as other ulna fracture locations have different codes.