S66.521 - Laceration 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 S66.52 - Laceration of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level S66.521 - Laceration of intrinsic muscle, fascia and tendon of left index finger at wrist and hand level