S66.591 - Other injury of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level S66.5 - Injury of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level S66.59 - Other injury of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level S66.591 - Other injury of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level