ICD-10-CM > S00-T88 > S10-S19 > S14 > S14.1 > S14.14 > S14.141 S14.141 Brown-Séquard syndrome at C1 level of cervical spinal cord Non-Billable/Non-Specific Codes S14.141A..., initial encounterS14.141D..., subsequent encounterS14.141S..., sequela