Lacerat extensor musc/fasc/tend r thm at wrs/hnd lv, init

This code signifies a cut or tear affecting the extensor muscles, their surrounding fascia, and the tendons of the right thumb. The injury is specifically located at the wrist or hand level. This indicates damage to the structures responsible for extending the right thumb.

Use this code for acute injuries such as those sustained from sharp objects, machinery accidents, or falls where the right thumb's extensor mechanism is lacerated. This code is appropriate for the initial treatment of such an injury.

• Confirm the laterality (right thumb) and the specific anatomical structures involved (extensor muscle, fascia, and tendon).
• Ensure the documentation specifies the injury occurred at the wrist or hand level, not just the thumb itself.
• Verify this is the patient's initial encounter for this specific injury; subsequent encounters will require a different seventh character.