S66.509 - Unspecified injury of intrinsic muscle, fascia and tendon of unspecified 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 S66.50 - Unspecified injury of intrinsic muscle, fascia and tendon of other and unspecified finger at wrist and hand level S66.509 - Unspecified injury of intrinsic muscle, fascia and tendon of unspecified finger at wrist and hand level