ICD-10-CM > S00-T88 > S20-S29 > S23 > S23.1 > S23.13 > S23.132 S23.132 Subluxation of T5/T6 thoracic vertebra Non-Billable/Non-Specific Codes S23.132A..., initial encounterS23.132D..., subsequent encounterS23.132S..., sequela