S23 Dislocation and sprain of joints and ligaments of thorax

Category / Non-billable header 48 subcodes

Block: Injuries to the thorax (S20-S29)

Includes

  • avulsion of joint or ligament of thorax
  • laceration of cartilage, joint or ligament of thorax
  • sprain of cartilage, joint or ligament of thorax
  • traumatic hemarthrosis of joint or ligament of thorax
  • traumatic rupture of joint or ligament of thorax
  • traumatic subluxation of joint or ligament of thorax
  • traumatic tear of joint or ligament of thorax

Excludes 2 (not included here)

  • dislocation, sprain of sternoclavicular joint (S43.2, S43.6)
  • strain of muscle or tendon of thorax (S29.01-)

Code Also

  • any associated open wound

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
S23..0 Traumatic rupture of thoracic intervertebral disc No
S23..1 Subluxation and dislocation of thoracic vertebra No
S23..10 Subluxation and dislocation of unspecified thoracic vertebra No
S23..100 Subluxation of unspecified thoracic vertebra No
S23..101 Dislocation of unspecified thoracic vertebra No
S23..11 Subluxation and dislocation of T1/T2 thoracic vertebra No
S23..110 Subluxation of T1/T2 thoracic vertebra No
S23..111 Dislocation of T1/T2 thoracic vertebra No
S23..12 Subluxation and dislocation of T2/T3-T3/T4 thoracic vertebra No
S23..120 Subluxation of T2/T3 thoracic vertebra No
S23..121 Dislocation of T2/T3 thoracic vertebra No
S23..122 Subluxation of T3/T4 thoracic vertebra No
S23..123 Dislocation of T3/T4 thoracic vertebra No
S23..13 Subluxation and dislocation of T4/T5-T5/T6 thoracic vertebra No
S23..130 Subluxation of T4/T5 thoracic vertebra No
S23..131 Dislocation of T4/T5 thoracic vertebra No
S23..132 Subluxation of T5/T6 thoracic vertebra No
S23..133 Dislocation of T5/T6 thoracic vertebra No
S23..14 Subluxation and dislocation of T6/T7-T7/T8 thoracic vertebra No
S23..140 Subluxation of T6/T7 thoracic vertebra No
S23..141 Dislocation of T6/T7 thoracic vertebra No
S23..142 Subluxation of T7/T8 thoracic vertebra No
S23..143 Dislocation of T7/T8 thoracic vertebra No
S23..15 Subluxation and dislocation of T8/T9-T9/T10 thoracic vertebra No
S23..150 Subluxation of T8/T9 thoracic vertebra No
S23..151 Dislocation of T8/T9 thoracic vertebra No
S23..152 Subluxation of T9/T10 thoracic vertebra No
S23..153 Dislocation of T9/T10 thoracic vertebra No
S23..16 Subluxation and dislocation of T10/T11-T11/T12 thoracic vertebra No
S23..160 Subluxation of T10/T11 thoracic vertebra No
S23..161 Dislocation of T10/T11 thoracic vertebra No
S23..162 Subluxation of T11/T12 thoracic vertebra No
S23..163 Dislocation of T11/T12 thoracic vertebra No
S23..17 Subluxation and dislocation of T12/L1 thoracic vertebra No
S23..170 Subluxation of T12/L1 thoracic vertebra No
S23..171 Dislocation of T12/L1 thoracic vertebra No
S23..2 Dislocation of other and unspecified parts of thorax No
S23..20 Dislocation of unspecified part of thorax No
S23..29 Dislocation of other parts of thorax No
S23..3 Sprain of ligaments of thoracic spine No
S23..4 Sprain of ribs and sternum No
S23..41 Sprain of ribs No
S23..42 Sprain of sternum No
S23..421 Sprain of chondrosternal joint No
S23..428 Other sprain of sternum No
S23..429 Unspecified sprain of sternum No
S23..8 Sprain of other specified parts of thorax No
S23..9 Sprain of unspecified parts of thorax No

Last reviewed: September 2026