Nondisp fx of lunate, unsp wrist, subs for fx w nonunion

This code describes a lunate bone fracture in the wrist that has not shifted out of its normal anatomical position. The "subsequent encounter" indicates the patient is receiving follow-up care for this fracture, and "nonunion" specifies that the bone fragments have failed to heal together after a reasonable period.

Use this code for patients presenting for ongoing treatment of a previously diagnosed, nondisplaced lunate fracture where imaging or clinical assessment confirms that the bone is not healing as expected. This includes scenarios such as cast changes, physical therapy, or surgical planning for nonunion, after the initial treatment phase.

• Ensure documentation clearly states "nondisplaced" and "nonunion" for the lunate fracture.
• Verify this is a subsequent encounter, not the initial treatment for the fracture.
• Always check for laterality (left, right) if specified in the documentation; "unspecified wrist" should only be used when laterality is truly unknown.