ICD-10-CM > S00-T88 > S20-S29 > S23 > S23.1 > S23.14 S23.14 Subluxation and dislocation of T6/T7-T7/T8 thoracic vertebra Non-Billable/Non-Specific Codes S23.140Subluxation of T6/T7 thoracic vertebraS23.140A..., initial encounterS23.140D..., subsequent encounterS23.140S..., sequelaS23.141Dislocation of T6/T7 thoracic vertebraS23.141A..., initial encounterS23.141D..., subsequent encounterS23.141S..., sequelaS23.142Subluxation of T7/T8 thoracic vertebraS23.142A..., initial encounterS23.142D..., subsequent encounterS23.142S..., sequelaS23.143Dislocation of T7/T8 thoracic vertebraS23.143A..., initial encounterS23.143D..., subsequent encounterS23.143S..., sequela