S56.20 - Unspecified injury of other flexor muscle, fascia and tendon at forearm level 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 S56.201 - Unspecified injury of other flexor muscle, fascia and tendon at forearm level, right arm S56.202 - Unspecified injury of other flexor muscle, fascia and tendon at forearm level, left arm S56.209 - Unspecified injury of other flexor muscle, fascia and tendon at forearm level, unspecified arm