2-part disp fx of surg nk of l humer, subs for fx w nonunion

This code signifies a fracture involving the surgical neck of the left humerus that has broken into two distinct pieces and is not healing properly. "Nonunion" indicates that the bone ends have failed to unite after a sufficient healing period, often requiring further intervention.

Use this code for follow-up encounters where a patient is being treated for a previously diagnosed 2-part displaced surgical neck fracture of the left humerus, and the physician documents that the fracture has not healed and is considered a nonunion. This would apply during ongoing management, evaluation for revision surgery, or conservative treatment for the nonunion.

• Ensure documentation clearly specifies "nonunion" for the fracture; otherwise, a different subsequent encounter code for routine healing may be more appropriate.
• Verify the laterality (left humerus) and the specific fracture site (surgical neck) are accurately documented.
• Confirm the fracture is described as "2-part displaced" to match the specificity of this code.