2023

  1. ICD-10-CM Codes
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  2. S00-T88
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  3. S20-S29
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  5. 2023 ICD-10-CM Diagnosis Code S21.309A

2023 ICD-10-CM Diagnosis Code S21.309A

Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • S21.309A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Unsp opn wnd unsp front wall of thrx w penet thor cav, init
  • The 2023 edition of ICD-10-CM S21.309A became effective on October 1, 2022.
  • This is the American ICD-10-CM version of S21.309A - other international versions of ICD-10 S21.309A may differ.
The following code(s) above S21.309A 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 S21.309A:
  • S00-T88
    2023 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
    2023 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
  • S21
    ICD-10-CM Diagnosis Code S21

    Open wound of thorax

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Code Also
    • any associated injury, such as:
    • injury of heart (S26.-)
    • injury of intrathoracic organs (S27.-)
    • rib fracture (S22.3-, S22.4-)
    • spinal cord injury (S24.0-, S24.1-)
    • traumatic hemopneumothorax (S27.3)
    • traumatic hemothorax (S27.1)
    • traumatic pneumothorax (S27.0)
    • wound infection
    Type 1 Excludes
    • traumatic amputation (partial) of thorax (S28.1)
    Open wound of thorax
  • S21.3
    ICD-10-CM Diagnosis Code S21.3

    Open wound of front wall of thorax with penetration into thoracic cavity

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Open wound of chest with penetration into thoracic cavity
    Open wound of front wall of thorax with penetration into thoracic cavity
Approximate Synonyms
  • Open wound of chest wall with thoracic cavity penetration
ICD-10-CM S21.309A is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 913 Traumatic injury with mcc
  • 914 Traumatic injury without mcc
  • 963 Other multiple significant trauma with mcc
  • 964 Other multiple significant trauma with cc
  • 965 Other multiple significant trauma without cc/mcc

Convert S21.309A to ICD-9-CM

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
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To S21.309A
S21.30 Unspecified open wound of front wall of thorax with penetration into thoracic cavity
S21.301 Unspecified open wound of right front wall of thorax with penetration into thoracic cavity
S21.301A …… initial encounter
S21.301D …… subsequent encounter
S21.301S …… sequela
S21.302 Unspecified open wound of left front wall of thorax with penetration into thoracic cavity
S21.302A …… initial encounter
S21.302D …… subsequent encounter
S21.302S …… sequela
S21.309 Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity
S21.309A …… initial encounter
S21.309D …… subsequent encounter
S21.309S …… sequela
S21.31 Laceration without foreign body of front wall of thorax with penetration into thoracic cavity
S21.311 Laceration without foreign body of right front wall of thorax with penetration into thoracic cavity
S21.311A …… initial encounter
S21.311D …… subsequent encounter
S21.311S …… sequela
S21.312 Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity
S21.312A …… initial encounter
S21.312D …… subsequent encounter

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

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