ICD-10-CM > S00-T88 > S20-S29 > S23 > S23.1 S23.1 Subluxation and dislocation of thoracic vertebra Non-Billable/Non-Specific Code Also any associated:open wound of thorax (S21.-)spinal cord injury (S24.0-, S24.1-) Type 2 Excludes fracture of thoracic vertebrae (S22.0-) Codes S23.10Subluxation and dislocation of unspecified thoracic vertebraS23.100Subluxation of unspecified thoracic vertebraS23.100A..., initial encounterS23.100D..., subsequent encounterS23.100S..., sequelaS23.101Dislocation of unspecified thoracic vertebraS23.101A..., initial encounterS23.101D..., subsequent encounterS23.101S..., sequelaS23.11Subluxation and dislocation of T1/T2 thoracic vertebraS23.110Subluxation of T1/T2 thoracic vertebraS23.110A..., initial encounterS23.110D..., subsequent encounterS23.110S..., sequelaS23.111Dislocation of T1/T2 thoracic vertebraS23.111A..., initial encounterS23.111D..., subsequent encounterS23.111S..., sequelaS23.12Subluxation and dislocation of T2/T3-T3/T4 thoracic vertebraS23.120Subluxation of T2/T3 thoracic vertebraS23.120A..., initial encounterS23.120D..., subsequent encounterS23.120S..., sequelaS23.121Dislocation of T2/T3 thoracic vertebraS23.121A..., initial encounterS23.121D..., subsequent encounterS23.121S..., sequelaS23.122Subluxation of T3/T4 thoracic vertebraS23.122A..., initial encounterS23.122D..., subsequent encounterS23.122S..., sequelaS23.123Dislocation of T3/T4 thoracic vertebraS23.123A..., initial encounterS23.123D..., subsequent encounterS23.123S..., sequelaS23.13Subluxation and dislocation of T4/T5-T5/T6 thoracic vertebraS23.130Subluxation of T4/T5 thoracic vertebraS23.130A..., initial encounterS23.130D..., subsequent encounterS23.130S..., sequelaS23.131Dislocation of T4/T5 thoracic vertebraS23.131A..., initial encounterS23.131D..., subsequent encounterS23.131S..., sequelaS23.132Subluxation of T5/T6 thoracic vertebraS23.132A..., initial encounterS23.132D..., subsequent encounterS23.132S..., sequelaS23.133Dislocation of T5/T6 thoracic vertebraS23.133A..., initial encounterS23.133D..., subsequent encounterS23.133S..., sequelaS23.14Subluxation and dislocation of T6/T7-T7/T8 thoracic vertebraS23.140Subluxation 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..., sequelaS23.15Subluxation and dislocation of T8/T9-T9/T10 thoracic vertebraS23.150Subluxation of T8/T9 thoracic vertebraS23.150A..., initial encounterS23.150D..., subsequent encounterS23.150S..., sequelaS23.151Dislocation of T8/T9 thoracic vertebraS23.151A..., initial encounterS23.151D..., subsequent encounterS23.151S..., sequelaS23.152Subluxation of T9/T10 thoracic vertebraS23.152A..., initial encounterS23.152D..., subsequent encounterS23.152S..., sequelaS23.153Dislocation of T9/T10 thoracic vertebraS23.153A..., initial encounterS23.153D..., subsequent encounterS23.153S..., sequelaS23.16Subluxation and dislocation of T10/T11-T11/T12 thoracic vertebraS23.160Subluxation of T10/T11 thoracic vertebraS23.160A..., initial encounterS23.160D..., subsequent encounterS23.160S..., sequelaS23.161Dislocation of T10/T11 thoracic vertebraS23.161A..., initial encounterS23.161D..., subsequent encounterS23.161S..., sequelaS23.162Subluxation of T11/T12 thoracic vertebraS23.162A..., initial encounterS23.162D..., subsequent encounterS23.162S..., sequelaS23.163Dislocation of T11/T12 thoracic vertebraS23.163A..., initial encounterS23.163D..., subsequent encounterS23.163S..., sequelaS23.17Subluxation and dislocation of T12/L1 thoracic vertebraS23.170Subluxation of T12/L1 thoracic vertebraS23.170A..., initial encounterS23.170D..., subsequent encounterS23.170S..., sequelaS23.171Dislocation of T12/L1 thoracic vertebraS23.171A..., initial encounterS23.171D..., subsequent encounterS23.171S..., sequela