S66.393 - Other injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level S66.3 - Injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level S66.39 - Other injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level S66.393 - Other injury of extensor muscle, fascia and tendon of left middle finger at wrist and hand level