S55.20 - Unspecified injury of vein at forearm level S55.2 - Injury of vein at forearm level S55.20 - Unspecified injury of vein at forearm level S55.201 - Unspecified injury of vein at forearm level, right arm S55.202 - Unspecified injury of vein at forearm level, left arm S55.209 - Unspecified injury of vein at forearm level, unspecified arm