ICD-10-CM > S00-T88 > S20-S29 > S24 > S24.1 > S24.11 > S24.111 S24.111 Complete lesion at T1 level of thoracic spinal cord Non-Billable/Non-Specific Codes S24.111A..., initial encounterS24.111D..., subsequent encounterS24.111S..., sequela