S66.201 - Unspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level S66.2 - Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level S66.20 - Unspecified injury of extensor muscle, fascia and tendon of thumb at wrist and hand level S66.201 - Unspecified injury of extensor muscle, fascia and tendon of right thumb at wrist and hand level