ICD-10-CM > S00-T88 > S40-S49 > S44 > S44.5 S44.5 Injury of cutaneous sensory nerve at shoulder and upper arm level Non-Billable/Non-Specific Codes S44.50Injury of cutaneous sensory nerve at shoulder and upper arm level, unspecified armS44.50XA..., initial encounterS44.50XD..., subsequent encounterS44.50XS..., sequelaS44.51Injury of cutaneous sensory nerve at shoulder and upper arm level, right armS44.51XA..., initial encounterS44.51XD..., subsequent encounterS44.51XS..., sequelaS44.52Injury of cutaneous sensory nerve at shoulder and upper arm level, left armS44.52XA..., initial encounterS44.52XD..., subsequent encounterS44.52XS..., sequela