S66.109 - Unspecified injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level S66.1 - Injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level S66.10 - Unspecified injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level S66.109 - Unspecified injury of flexor muscle, fascia and tendon of unspecified finger at wrist and hand level