ICD-10-CM > S00-T88 > S20-S29 > S23 > S23.1 > S23.15 > S23.151 S23.151 Dislocation of T8/T9 thoracic vertebra Non-Billable/Non-Specific Codes S23.151A..., initial encounterS23.151D..., subsequent encounterS23.151S..., sequela