Stress fracture, left hand, subs for fx w nonunion

This code signifies a stress fracture affecting the left hand that has failed to heal properly, indicating a nonunion. It is used when the patient is receiving routine care during the healing phase for this specific complication.

Apply this code for follow-up encounters where a patient is being treated for a left hand stress fracture that has been diagnosed with nonunion. Documentation should clearly state "stress fracture," "left hand," "nonunion," and indicate that this is a subsequent encounter for ongoing management.

• Ensure documentation specifies "stress fracture" versus a traumatic fracture, as different codes apply.
• Confirm the laterality is "left hand"; separate codes exist for the right hand or unspecified hand.
• The "K" seventh character indicates a subsequent encounter for a fracture with nonunion, implying active treatment for the nonunion.