Fracture of alveolus of maxilla, subs for fx w delay heal

This code signifies a fracture of the alveolar process of the maxilla, which is the bone that holds the upper teeth. The "subsequent encounter" indicates that the patient is receiving follow-up care for this fracture, and "delayed healing" specifies that the bone is not mending at the expected rate.

This code is appropriate for follow-up visits where a patient is being treated for a previously diagnosed maxillary alveolar fracture that is exhibiting delayed union. Documentation should clearly state the location of the fracture, the delayed healing status, and the ongoing management plan.

• Ensure documentation explicitly states "delayed healing" for the maxillary alveolar fracture.
• Distinguish from nonunion (S02.42XK) or routine healing (S02.42XD) for subsequent encounters.
• Always code the underlying cause of the fracture if known and documented (e.g., assault, accident).