ICD-10-CM > S00-T88 > S20-S29 > S24 > S24.1 > S24.10 > S24.101 S24.101 Unspecified injury at T1 level of thoracic spinal cord Non-Billable/Non-Specific Codes S24.101A..., initial encounterS24.101D..., subsequent encounterS24.101S..., sequela