ICD-10-CM > S00-T88 > S10-S19 > S14 > S14.1 > S14.12 > S14.121 S14.121 Central cord syndrome at C1 level of cervical spinal cord Non-Billable/Non-Specific Codes S14.121A..., initial encounterS14.121D..., subsequent encounterS14.121S..., sequela