S56.209 - Unspecified injury of other flexor muscle, fascia and tendon at forearm level, unspecified arm S56.2 - Injury of other flexor muscle, fascia and tendon at forearm level S56.20 - Unspecified injury of other flexor muscle, fascia and tendon at forearm level S56.209 - Unspecified injury of other flexor muscle, fascia and tendon at forearm level, unspecified arm