2019 ICD-10-CM Diagnosis Code S23.9

Sprain of unspecified parts of thorax

    2016 2017 2018 2019 Non-Billable/Non-Specific Code
  • S23.9 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2019 edition of ICD-10-CM S23.9 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of S23.9 - other international versions of ICD-10 S23.9 may differ.
The following code(s) above S23.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to S23.9:
  • S00-T88
    2019 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    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
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • S20-S29
    2019 ICD-10-CM Range S20-S29

    Injuries to the thorax

    Includes
    • injuries of breast
    • injuries of chest (wall)
    • injuries of interscapular area
    Type 2 Excludes
    • 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)
    Injuries to the thorax
  • S23
    ICD-10-CM Diagnosis Code S23

    Dislocation and sprain of joints and ligaments of thorax

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Code Also
    • any associated open wound
    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
    Type 2 Excludes
    • dislocation, sprain of sternoclavicular joint (S43.2, S43.6)
    • strain of muscle or tendon of thorax (S29.01-)
    Dislocation and sprain of joints and ligaments of thorax
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change

Diagnosis Index entries containing back-references to S23.9:

ICD-10-CM Codes Adjacent To S23.9
S23.428D …… subsequent encounter
S23.428S …… sequela
S23.429 Unspecified sprain of sternum
S23.429A …… initial encounter
S23.429D …… subsequent encounter
S23.429S …… sequela
S23.8 Sprain of other specified parts of thorax
S23.8XXA …… initial encounter
S23.8XXD …… subsequent encounter
S23.8XXS …… sequela
S23.9 Sprain of unspecified parts of thorax
S23.9XXA …… initial encounter
S23.9XXD …… subsequent encounter
S23.9XXS …… sequela
S24 Injury of nerves and spinal cord at thorax level
S24.0 Concussion and edema of thoracic spinal cord
S24.0XXA …… initial encounter
S24.0XXD …… subsequent encounter
S24.0XXS …… sequela
S24.1 Other and unspecified injuries of thoracic spinal cord
S24.10 Unspecified injury of thoracic spinal cord

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.