ICD-10-CM > S00-T88 > S40-S49 > S44 > S44.5 > S44.51 S44.51 Injury of cutaneous sensory nerve at shoulder and upper arm level, right arm Non-Billable/Non-Specific Codes S44.51XA..., initial encounterS44.51XD..., subsequent encounterS44.51XS..., sequela