ICD-10-CM > S00-T88 > S50-S59 > S54 > S54.3 > S54.30 S54.30 Injury of cutaneous sensory nerve at forearm level, unspecified arm Non-Billable/Non-Specific Codes S54.30XA..., initial encounterS54.30XD..., subsequent encounterS54.30XS..., sequela