ICD-10-CM > S00-T88 > S10-S19 > S14 > S14.1 > S14.14 > S14.144 S14.144 Brown-Séquard syndrome at C4 level of cervical spinal cord Non-Billable/Non-Specific Codes S14.144A..., initial encounterS14.144D..., subsequent encounterS14.144S..., sequela