S54.3 - Injury of cutaneous sensory nerve at forearm level S54 - Injury of nerves at forearm level S54.3 - Injury of cutaneous sensory nerve at forearm level S54.30 - Injury of cutaneous sensory nerve at forearm level, unspecified arm S54.31 - Injury of cutaneous sensory nerve at forearm level, right arm S54.32 - Injury of cutaneous sensory nerve at forearm level, left arm