| S23 | Dislocation and sprain of joints and ligaments of thorax | NON-BILLABLE CODE |
| S23.0 | Traumatic rupture of thoracic intervertebral disc | NON-BILLABLE CODE |
| S23.0XXA | Traumatic rupture of thoracic intervertebral disc, initial encounter | BILLABLE CODE |
| S23.0XXD | Traumatic rupture of thoracic intervertebral disc, subsequent encounter | BILLABLE CODE |
| S23.0XXS | Traumatic rupture of thoracic intervertebral disc, sequela | BILLABLE CODE |
| S23.1 | Subluxation and dislocation of thoracic vertebra | NON-BILLABLE CODE |
| S23.10 | Subluxation and dislocation of unspecified thoracic vertebra | NON-BILLABLE CODE |
| S23.100 | Subluxation of unspecified thoracic vertebra | NON-BILLABLE CODE |
| S23.100A | Subluxation of unspecified thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.100D | Subluxation of unspecified thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.100S | Subluxation of unspecified thoracic vertebra, sequela | BILLABLE CODE |
| S23.101 | Dislocation of unspecified thoracic vertebra | NON-BILLABLE CODE |
| S23.101A | Dislocation of unspecified thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.101D | Dislocation of unspecified thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.101S | Dislocation of unspecified thoracic vertebra, sequela | BILLABLE CODE |
| S23.11 | Subluxation and dislocation of T1/T2 thoracic vertebra | NON-BILLABLE CODE |
| S23.110 | Subluxation of T1/T2 thoracic vertebra | NON-BILLABLE CODE |
| S23.110A | Subluxation of T1/T2 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.110D | Subluxation of T1/T2 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.110S | Subluxation of T1/T2 thoracic vertebra, sequela | BILLABLE CODE |
| S23.111 | Dislocation of T1/T2 thoracic vertebra | NON-BILLABLE CODE |
| S23.111A | Dislocation of T1/T2 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.111D | Dislocation of T1/T2 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.111S | Dislocation of T1/T2 thoracic vertebra, sequela | BILLABLE CODE |
| S23.12 | Subluxation and dislocation of T2/T3-T3/T4 thoracic vertebra | NON-BILLABLE CODE |
| S23.120 | Subluxation of T2/T3 thoracic vertebra | NON-BILLABLE CODE |
| S23.120A | Subluxation of T2/T3 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.120D | Subluxation of T2/T3 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.120S | Subluxation of T2/T3 thoracic vertebra, sequela | BILLABLE CODE |
| S23.121 | Dislocation of T2/T3 thoracic vertebra | NON-BILLABLE CODE |
| S23.121A | Dislocation of T2/T3 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.121D | Dislocation of T2/T3 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.121S | Dislocation of T2/T3 thoracic vertebra, sequela | BILLABLE CODE |
| S23.122 | Subluxation of T3/T4 thoracic vertebra | NON-BILLABLE CODE |
| S23.122A | Subluxation of T3/T4 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.122D | Subluxation of T3/T4 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.122S | Subluxation of T3/T4 thoracic vertebra, sequela | BILLABLE CODE |
| S23.123 | Dislocation of T3/T4 thoracic vertebra | NON-BILLABLE CODE |
| S23.123A | Dislocation of T3/T4 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.123D | Dislocation of T3/T4 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.123S | Dislocation of T3/T4 thoracic vertebra, sequela | BILLABLE CODE |
| S23.13 | Subluxation and dislocation of T4/T5-T5/T6 thoracic vertebra | NON-BILLABLE CODE |
| S23.130 | Subluxation of T4/T5 thoracic vertebra | NON-BILLABLE CODE |
| S23.130A | Subluxation of T4/T5 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.130D | Subluxation of T4/T5 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.130S | Subluxation of T4/T5 thoracic vertebra, sequela | BILLABLE CODE |
| S23.131 | Dislocation of T4/T5 thoracic vertebra | NON-BILLABLE CODE |
| S23.131A | Dislocation of T4/T5 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.131D | Dislocation of T4/T5 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.131S | Dislocation of T4/T5 thoracic vertebra, sequela | BILLABLE CODE |
| S23.132 | Subluxation of T5/T6 thoracic vertebra | NON-BILLABLE CODE |
| S23.132A | Subluxation of T5/T6 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.132D | Subluxation of T5/T6 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.132S | Subluxation of T5/T6 thoracic vertebra, sequela | BILLABLE CODE |
| S23.133 | Dislocation of T5/T6 thoracic vertebra | NON-BILLABLE CODE |
| S23.133A | Dislocation of T5/T6 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.133D | Dislocation of T5/T6 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.133S | Dislocation of T5/T6 thoracic vertebra, sequela | BILLABLE CODE |
| S23.14 | Subluxation and dislocation of T6/T7-T7/T8 thoracic vertebra | NON-BILLABLE CODE |
| S23.140 | Subluxation of T6/T7 thoracic vertebra | NON-BILLABLE CODE |
| S23.140A | Subluxation of T6/T7 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.140D | Subluxation of T6/T7 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.140S | Subluxation of T6/T7 thoracic vertebra, sequela | BILLABLE CODE |
| S23.141 | Dislocation of T6/T7 thoracic vertebra | NON-BILLABLE CODE |
| S23.141A | Dislocation of T6/T7 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.141D | Dislocation of T6/T7 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.141S | Dislocation of T6/T7 thoracic vertebra, sequela | BILLABLE CODE |
| S23.142 | Subluxation of T7/T8 thoracic vertebra | NON-BILLABLE CODE |
| S23.142A | Subluxation of T7/T8 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.142D | Subluxation of T7/T8 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.142S | Subluxation of T7/T8 thoracic vertebra, sequela | BILLABLE CODE |
| S23.143 | Dislocation of T7/T8 thoracic vertebra | NON-BILLABLE CODE |
| S23.143A | Dislocation of T7/T8 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.143D | Dislocation of T7/T8 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.143S | Dislocation of T7/T8 thoracic vertebra, sequela | BILLABLE CODE |
| S23.15 | Subluxation and dislocation of T8/T9-T9/T10 thoracic vertebra | NON-BILLABLE CODE |
| S23.150 | Subluxation of T8/T9 thoracic vertebra | NON-BILLABLE CODE |
| S23.150A | Subluxation of T8/T9 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.150D | Subluxation of T8/T9 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.150S | Subluxation of T8/T9 thoracic vertebra, sequela | BILLABLE CODE |
| S23.151 | Dislocation of T8/T9 thoracic vertebra | NON-BILLABLE CODE |
| S23.151A | Dislocation of T8/T9 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.151D | Dislocation of T8/T9 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.151S | Dislocation of T8/T9 thoracic vertebra, sequela | BILLABLE CODE |
| S23.152 | Subluxation of T9/T10 thoracic vertebra | NON-BILLABLE CODE |
| S23.152A | Subluxation of T9/T10 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.152D | Subluxation of T9/T10 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.152S | Subluxation of T9/T10 thoracic vertebra, sequela | BILLABLE CODE |
| S23.153 | Dislocation of T9/T10 thoracic vertebra | NON-BILLABLE CODE |
| S23.153A | Dislocation of T9/T10 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.153D | Dislocation of T9/T10 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.153S | Dislocation of T9/T10 thoracic vertebra, sequela | BILLABLE CODE |
| S23.16 | Subluxation and dislocation of T10/T11-T11/T12 thoracic vertebra | NON-BILLABLE CODE |
| S23.160 | Subluxation of T10/T11 thoracic vertebra | NON-BILLABLE CODE |
| S23.160A | Subluxation of T10/T11 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.160D | Subluxation of T10/T11 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.160S | Subluxation of T10/T11 thoracic vertebra, sequela | BILLABLE CODE |
| S23.161 | Dislocation of T10/T11 thoracic vertebra | NON-BILLABLE CODE |
| S23.161A | Dislocation of T10/T11 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.161D | Dislocation of T10/T11 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.161S | Dislocation of T10/T11 thoracic vertebra, sequela | BILLABLE CODE |
| S23.162 | Subluxation of T11/T12 thoracic vertebra | NON-BILLABLE CODE |
| S23.162A | Subluxation of T11/T12 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.162D | Subluxation of T11/T12 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.162S | Subluxation of T11/T12 thoracic vertebra, sequela | BILLABLE CODE |
| S23.163 | Dislocation of T11/T12 thoracic vertebra | NON-BILLABLE CODE |
| S23.163A | Dislocation of T11/T12 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.163D | Dislocation of T11/T12 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.163S | Dislocation of T11/T12 thoracic vertebra, sequela | BILLABLE CODE |
| S23.17 | Subluxation and dislocation of T12/L1 thoracic vertebra | NON-BILLABLE CODE |
| S23.170 | Subluxation of T12/L1 thoracic vertebra | NON-BILLABLE CODE |
| S23.170A | Subluxation of T12/L1 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.170D | Subluxation of T12/L1 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.170S | Subluxation of T12/L1 thoracic vertebra, sequela | BILLABLE CODE |
| S23.171 | Dislocation of T12/L1 thoracic vertebra | NON-BILLABLE CODE |
| S23.171A | Dislocation of T12/L1 thoracic vertebra, initial encounter | BILLABLE CODE |
| S23.171D | Dislocation of T12/L1 thoracic vertebra, subsequent encounter | BILLABLE CODE |
| S23.171S | Dislocation of T12/L1 thoracic vertebra, sequela | BILLABLE CODE |
| S23.2 | Dislocation of other and unspecified parts of thorax | NON-BILLABLE CODE |
| S23.20 | Dislocation of unspecified part of thorax | NON-BILLABLE CODE |
| S23.20XA | Dislocation of unspecified part of thorax, initial encounter | BILLABLE CODE |
| S23.20XD | Dislocation of unspecified part of thorax, subsequent encounter | BILLABLE CODE |
| S23.20XS | Dislocation of unspecified part of thorax, sequela | BILLABLE CODE |
| S23.29 | Dislocation of other parts of thorax | NON-BILLABLE CODE |
| S23.29XA | Dislocation of other parts of thorax, initial encounter | BILLABLE CODE |
| S23.29XD | Dislocation of other parts of thorax, subsequent encounter | BILLABLE CODE |
| S23.29XS | Dislocation of other parts of thorax, sequela | BILLABLE CODE |
| S23.3 | Sprain of ligaments of thoracic spine | NON-BILLABLE CODE |
| S23.3XXA | Sprain of ligaments of thoracic spine, initial encounter | BILLABLE CODE |
| S23.3XXD | Sprain of ligaments of thoracic spine, subsequent encounter | BILLABLE CODE |
| S23.3XXS | Sprain of ligaments of thoracic spine, sequela | BILLABLE CODE |
| S23.4 | Sprain of ribs and sternum | NON-BILLABLE CODE |
| S23.41 | Sprain of ribs | NON-BILLABLE CODE |
| S23.41XA | Sprain of ribs, initial encounter | BILLABLE CODE |
| S23.41XD | Sprain of ribs, subsequent encounter | BILLABLE CODE |
| S23.41XS | Sprain of ribs, sequela | BILLABLE CODE |
| S23.42 | Sprain of sternum | NON-BILLABLE CODE |
| S23.420 | Sprain of sternoclavicular (joint) (ligament) | NON-BILLABLE CODE |
| S23.420A | Sprain of sternoclavicular (joint) (ligament), initial encounter | BILLABLE CODE |
| S23.420D | Sprain of sternoclavicular (joint) (ligament), subsequent encounter | BILLABLE CODE |
| S23.420S | Sprain of sternoclavicular (joint) (ligament), sequela | BILLABLE CODE |
| S23.421 | Sprain of chondrosternal joint | NON-BILLABLE CODE |
| S23.421A | Sprain of chondrosternal joint, initial encounter | BILLABLE CODE |
| S23.421D | Sprain of chondrosternal joint, subsequent encounter | BILLABLE CODE |
| S23.421S | Sprain of chondrosternal joint, sequela | BILLABLE CODE |
| S23.428 | Other sprain of sternum | NON-BILLABLE CODE |
| S23.428A | Other sprain of sternum, initial encounter | BILLABLE CODE |
| S23.428D | Other sprain of sternum, subsequent encounter | BILLABLE CODE |
| S23.428S | Other sprain of sternum, sequela | BILLABLE CODE |
| S23.429 | Unspecified sprain of sternum | NON-BILLABLE CODE |
| S23.429A | Unspecified sprain of sternum, initial encounter | BILLABLE CODE |
| S23.429D | Unspecified sprain of sternum, subsequent encounter | BILLABLE CODE |
| S23.429S | Unspecified sprain of sternum, sequela | BILLABLE CODE |
| S23.8 | Sprain of other specified parts of thorax | NON-BILLABLE CODE |
| S23.8XXA | Sprain of other specified parts of thorax, initial encounter | BILLABLE CODE |
| S23.8XXD | Sprain of other specified parts of thorax, subsequent encounter | BILLABLE CODE |
| S23.9 | Sprain of unspecified parts of thorax | NON-BILLABLE CODE |
| S23.9XXA | Sprain of unspecified parts of thorax, initial encounter | BILLABLE CODE |
| S23.9XXD | Sprain of unspecified parts of thorax, subsequent encounter | BILLABLE CODE |
| S23.9XXS | Sprain of unspecified parts of thorax, sequela | BILLABLE CODE |
