Injury of median nerve at wrs/hnd lv of left arm, subs

This code signifies a documented injury to the median nerve specifically located in the left wrist or hand region. This injury has been previously treated, and the patient is now presenting for follow-up care, such as cast changes, wound care, or medication adjustments, during the healing or recovery phase.

Apply this code when a patient with a known median nerve injury of the left wrist or hand returns for subsequent treatment after the initial encounter. This includes visits for ongoing management of the injury, monitoring for complications, or rehabilitation services.

• Ensure documentation clearly specifies the left arm and the wrist/hand level of the median nerve injury.
• The "D" seventh character indicates a subsequent encounter, meaning the patient is receiving routine care during the healing phase.
• Do not use this code for initial treatment of the injury or for sequelae (late effects).