2021 ICD-10-CM Codes for Dislocation and sprain of joints and ligaments of thorax (S23)

Instructional Notations

Includes Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

  • 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

Code Also Code Also
A "code also" note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction.

  • any associated open wound

Type 2 Excludes Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.

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

7th Character Note 7th Character Note
Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.

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

7th Character 7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela
    • ICD-10 Index

      • Injury, poisoning and certain other consequences of external causes (S00–T98)

        • Injuries to the thorax (S20-S29)

            • Dislocation and sprain of joints and ligaments of thorax (S23)
            • 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, init BILLABLE CODE
            • S23.0XXD - Traumatic rupture of thoracic intervertebral disc, subs 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, init encntr BILLABLE CODE
            • S23.100D - Subluxation of unspecified thoracic vertebra, subs encntr 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, init encntr BILLABLE CODE
            • S23.101D - Dislocation of unspecified thoracic vertebra, subs encntr 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 thor 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, subs encntr 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, subs encntr BILLABLE CODE
            • S23.153S - Dislocation of T9/T10 thoracic vertebra, sequela BILLABLE CODE
            • S23.16 - Subluxation and dislocation of T10/T11-T11/T12 thor 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, subs encntr 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, subs encntr 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, subs encntr 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, subs encntr 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, subs encntr 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, subs encntr 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, subs encntr 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), init encntr BILLABLE CODE
            • S23.420D - Sprain of sternoclavicular (joint) (ligament), subs encntr 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, subs encntr BILLABLE CODE
            • S23.8XXS - Sprain of other specified parts of thorax, sequela 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