S23.1 - Subluxation and dislocation of thoracic vertebra
S23.12 - Subluxation and dislocation of T2/T3-T3/T4 thoracic vertebra
S23.120 - Subluxation of T2/T3 thoracic vertebra
S23.121 - Dislocation of T2/T3 thoracic vertebra
S23.122 - Subluxation of T3/T4 thoracic vertebra
S23.123 - Dislocation of T3/T4 thoracic vertebra