U.S. ICD-10-CM reference · FY2027
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S23Category · further specificity requiredCurrent

Dislocation and sprain of joints and ligaments of thorax

HierarchyS20-S29 · S23

Code-level instructions

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

any associated open wound

Seventh character

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

A — initial encounter

D — subsequent encounter

S — sequela

Inherited instructions

Chapters 19 · Injury, poisoning and certain other consequences of external causes (S00-T88)

Excludes 2
Use additional code

code to identify any retained foreign body, if applicable (Z18.-)

Note
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

S20-S29 · Injuries to the thorax (S20-S29)

Includes
  • injuries of breast
  • injuries of chest (wall)
  • injuries of interscapular area
Excludes 2
  • 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)

More specific codes

S23.0Traumatic rupture of thoracic intervertebral discCategory · further specificity requiredS23.1Subluxation and dislocation of thoracic vertebraCategory · further specificity requiredS23.2Dislocation of other and unspecified parts of thoraxCategory · further specificity requiredS23.3Sprain of ligaments of thoracic spineCategory · further specificity requiredS23.4Sprain of ribs and sternumCategory · further specificity requiredS23.8Sprain of other specified parts of thoraxCategory · further specificity requiredS23.9Sprain of unspecified parts of thoraxCategory · further specificity required
Code edition