Other disp fx of lower end of unspecified humerus, sequela

This code describes a fracture of the lower end of the humerus that is no longer in its anatomical position, where the specific side (left or right) is not documented. The "S" seventh character indicates that this code is for a sequela, meaning it represents a complication or residual effect of an earlier, acute fracture.

Use this code when documenting a long-term complication or late effect directly resulting from a previously sustained displaced fracture of the distal humerus, where the laterality is unspecified. This would apply to conditions such as malunion, nonunion, or chronic pain directly attributable to the past fracture, after the initial healing phase has concluded.

• Always ensure the "S" seventh character is appropriate for a sequela, indicating a residual condition rather than an acute injury.
• Verify that the documentation explicitly states the fracture is of the "lower end" or "distal" humerus and that laterality is truly unspecified.
• Consider if an additional code is needed to specify the nature of the sequela (e.g., M84.4- for malunion, M84.3- for nonunion).