S56.113 - Strain of flexor muscle, fascia and tendon of right middle finger at forearm level S56.1 - Injury of flexor muscle, fascia and tendon of other and unspecified finger at forearm level S56.11 - Strain of flexor muscle, fascia and tendon of other and unspecified finger at forearm level S56.113 - Strain of flexor muscle, fascia and tendon of right middle finger at forearm level