Includes:

  • injuries of breast
  • injuries of chest (wall)
  • injuries of interscapular area

Excludes2

  • burns and corrosions (T20-T32)
  • effects of foreign body in bronchus (T17.5)
  • effects of foreign body in esophagus (T18.1)
  • effects of foreign body in lung (T17.8)
  • effects of foreign body in trachea (T17.4)
  • frostbite (T33-T34)
  • injuries of axilla
  • injuries of clavicle
  • injuries of scapular region
  • injuries of shoulder
  • insect bite or sting, venomous (T63.4)
  1. S23 Dislocation and sprain of joints and ligaments of thorax

    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

    Excludes2

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

    The appropriate 7th character is to be added to each code from category S23

    • A - initial encounter
    • D - subsequent encounter
    • S - sequela
    1. S23.0 Traumatic rupture of thoracic intervertebral disc

    2. S23.1 Subluxation and dislocation of thoracic vertebra

      1. S23.10 Subluxation and dislocation of unspecified thoracic vertebra

        • S23.100 Subluxation of unspecified thoracic vertebra
        • S23.101 Dislocation of unspecified thoracic vertebra
      2. S23.11 Subluxation and dislocation of T1/T2 thoracic vertebra

        • S23.110 Subluxation of T1/T2 thoracic vertebra
        • S23.111 Dislocation of T1/T2 thoracic vertebra
      3. 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
      4. S23.13 Subluxation and dislocation of T4/T5-T5/T6 thoracic vertebra

        • S23.130 Subluxation of T4/T5 thoracic vertebra
        • S23.131 Dislocation of T4/T5 thoracic vertebra
        • S23.132 Subluxation of T5/T6 thoracic vertebra
        • S23.133 Dislocation of T5/T6 thoracic vertebra
      5. S23.14 Subluxation and dislocation of T6/T7-T7/T8 thoracic vertebra

        • S23.140 Subluxation of T6/T7 thoracic vertebra
        • S23.141 Dislocation of T6/T7 thoracic vertebra
        • S23.142 Subluxation of T7/T8 thoracic vertebra
        • S23.143 Dislocation of T7/T8 thoracic vertebra
      6. S23.15 Subluxation and dislocation of T8/T9-T9/T10 thoracic vertebra

        • S23.150 Subluxation of T8/T9 thoracic vertebra
        • S23.151 Dislocation of T8/T9 thoracic vertebra
        • S23.152 Subluxation of T9/T10 thoracic vertebra
        • S23.153 Dislocation of T9/T10 thoracic vertebra
      7. S23.16 Subluxation and dislocation of T10/T11-T11/T12 thoracic vertebra

        • S23.160 Subluxation of T10/T11 thoracic vertebra
        • S23.161 Dislocation of T10/T11 thoracic vertebra
        • S23.162 Subluxation of T11/T12 thoracic vertebra
        • S23.163 Dislocation of T11/T12 thoracic vertebra
      8. S23.17 Subluxation and dislocation of T12/L1 thoracic vertebra

        • S23.170 Subluxation of T12/L1 thoracic vertebra
        • S23.171 Dislocation of T12/L1 thoracic vertebra
    3. S23.2 Dislocation of other and unspecified parts of thorax

      1. S23.20 Dislocation of unspecified part of thorax

      2. S23.29 Dislocation of other parts of thorax

    4. S23.3 Sprain of ligaments of thoracic spine

    5. S23.4 Sprain of ribs and sternum

      1. S23.41 Sprain of ribs

      2. S23.42 Sprain of sternum

        • S23.420 Sprain of sternoclavicular (joint) (ligament)
        • S23.421 Sprain of chondrosternal joint
        • S23.428 Other sprain of sternum
        • S23.429 Unspecified sprain of sternum
    6. S23.8 Sprain of other specified parts of thorax

    7. S23.9 Sprain of unspecified parts of thorax

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.