ICD-10-CM > S00-T88 > S20-S29 > S24 > S24.1 > S24.14 > S24.144 S24.144 Brown-Séquard syndrome at T11-T12 level of thoracic spinal cord Non-Billable/Non-Specific Codes S24.144A..., initial encounterS24.144D..., subsequent encounterS24.144S..., sequela