Open wound of thorax S21-

Code Also
Code Also Help
A code also note instructs that 2 codes may be required to fully describe a condition but the sequencing of the two codes is discretionary, depending on the severity of the conditions and the reason for the encounter.
  • any associated injury, such as:
  • injury of heart (
    ICD-10-CM Diagnosis Code S26
    • S26 Injury of heart
      • S26.0 Injury of heart with hemopericardium
        • S26.00 Unspecified injury of heart with hemopericard...
          • S26.00XA Unspecified injury of heart with hemopericard...
          • S26.00XD Unspecified injury of heart with hemopericard...
          • S26.00XS Unspecified injury of heart with hemopericard...
        • S26.01 Contusion of heart with hemopericardium
          • S26.01XA Contusion of heart with hemopericardium, init...
          • S26.01XD Contusion of heart with hemopericardium, subs...
          • S26.01XS Contusion of heart with hemopericardium, sequ...
        • S26.02 Laceration of heart with hemopericardium
          • S26.020 Mild laceration of heart with hemopericardium...
            • S26.020A Mild laceration of heart with hemopericardium...
            • S26.020D Mild laceration of heart with hemopericardium...
            • S26.020S Mild laceration of heart with hemopericardium...
          • S26.021 Moderate laceration of heart with hemopericar...
            • S26.021A Moderate laceration of heart with hemopericar...
            • S26.021D Moderate laceration of heart with hemopericar...
            • S26.021S Moderate laceration of heart with hemopericar...
          • S26.022 Major laceration of heart with hemopericardiu...
            • S26.022A Major laceration of heart with hemopericardiu...
            • S26.022D Major laceration of heart with hemopericardiu...
            • S26.022S Major laceration of heart with hemopericardiu...
        • S26.09 Other injury of heart with hemopericardium
          • S26.09XA Other injury of heart with hemopericardium, i...
          • S26.09XD Other injury of heart with hemopericardium, s...
          • S26.09XS Other injury of heart with hemopericardium, s...
      • S26.1 Injury of heart without hemopericardium
        • S26.10 Unspecified injury of heart without hemoperic...
          • S26.10XA Unspecified injury of heart without hemoperic...
          • S26.10XD Unspecified injury of heart without hemoperic...
          • S26.10XS Unspecified injury of heart without hemoperic...
        • S26.11 Contusion of heart without hemopericardium
          • S26.11XA Contusion of heart without hemopericardium, i...
          • S26.11XD Contusion of heart without hemopericardium, s...
          • S26.11XS Contusion of heart without hemopericardium, s...
        • S26.12 Laceration of heart without hemopericardium
          • S26.12XA Laceration of heart without hemopericardium, ...
          • S26.12XD Laceration of heart without hemopericardium, ...
          • S26.12XS Laceration of heart without hemopericardium, ...
        • S26.19 Other injury of heart without hemopericardium...
          • S26.19XA Other injury of heart without hemopericardium...
          • S26.19XD Other injury of heart without hemopericardium...
          • S26.19XS Other injury of heart without hemopericardium...
      • S26.9 Injury of heart, unspecified with or without ...
        • S26.90 Unspecified injury of heart, unspecified with...
          • S26.90XA Unspecified injury of heart, unspecified with...
          • S26.90XD Unspecified injury of heart, unspecified with...
          • S26.90XS Unspecified injury of heart, unspecified with...
        • S26.91 Contusion of heart, unspecified with or witho...
          • S26.91XA Contusion of heart, unspecified with or witho...
          • S26.91XD Contusion of heart, unspecified with or witho...
          • S26.91XS Contusion of heart, unspecified with or witho...
        • S26.92 Laceration of heart, unspecified with or with...
          • S26.92XA Laceration of heart, unspecified with or with...
          • S26.92XD Laceration of heart, unspecified with or with...
          • S26.92XS Laceration of heart, unspecified with or with...
        • S26.99 Other injury of heart, unspecified with or wi...
          • S26.99XA Other injury of heart, unspecified with or wi...
          • S26.99XD Other injury of heart, unspecified with or wi...
          • S26.99XS Other injury of heart, unspecified with or wi...
    S26.-
    )
  • injury of intrathoracic organs (
    ICD-10-CM Diagnosis Code S27
    • S27 Injury of other and unspecified intrathoracic...
      • S27.0 Traumatic pneumothorax
      • S27.1 Traumatic hemothorax
      • S27.2 Traumatic hemopneumothorax
        • S27.2XXA Traumatic hemopneumothorax, initial encounter...
        • S27.2XXD Traumatic hemopneumothorax, subsequent encoun...
        • S27.2XXS …… sequela
      • S27.3 Other and unspecified injuries of lung
        • S27.30 Unspecified injury of lung
          • S27.301 Unspecified injury of lung, unilateral
            • S27.301A Unspecified injury of lung, unilateral, initi...
            • S27.301D Unspecified injury of lung, unilateral, subse...
            • S27.301S Unspecified injury of lung, unilateral, seque...
          • S27.302 Unspecified injury of lung, bilateral
            • S27.302A Unspecified injury of lung, bilateral, initia...
            • S27.302D Unspecified injury of lung, bilateral, subseq...
            • S27.302S Unspecified injury of lung, bilateral, sequel...
          • S27.309 Unspecified injury of lung, unspecified
            • S27.309A Unspecified injury of lung, unspecified, init...
            • S27.309D Unspecified injury of lung, unspecified, subs...
            • S27.309S Unspecified injury of lung, unspecified, sequ...
        • S27.31 Primary blast injury of lung
          • S27.311 Primary blast injury of lung, unilateral
            • S27.311A Primary blast injury of lung, unilateral, ini...
            • S27.311D Primary blast injury of lung, unilateral, sub...
            • S27.311S Primary blast injury of lung, unilateral, seq...
          • S27.312 Primary blast injury of lung, bilateral
            • S27.312A Primary blast injury of lung, bilateral, init...
            • S27.312D Primary blast injury of lung, bilateral, subs...
            • S27.312S Primary blast injury of lung, bilateral, sequ...
          • S27.319 Primary blast injury of lung, unspecified
            • S27.319A Primary blast injury of lung, unspecified, in...
            • S27.319D Primary blast injury of lung, unspecified, su...
            • S27.319S Primary blast injury of lung, unspecified, se...
        • S27.32 Contusion of lung
          • S27.321 Contusion of lung, unilateral
            • S27.321A Contusion of lung, unilateral, initial encoun...
            • S27.321D Contusion of lung, unilateral, subsequent enc...
            • S27.321S …… sequela
          • S27.322 Contusion of lung, bilateral
            • S27.322A Contusion of lung, bilateral, initial encount...
            • S27.322D Contusion of lung, bilateral, subsequent enco...
            • S27.322S …… sequela
          • S27.329 Contusion of lung, unspecified
            • S27.329A Contusion of lung, unspecified, initial encou...
            • S27.329D Contusion of lung, unspecified, subsequent en...
            • S27.329S …… sequela
        • S27.33 Laceration of lung
          • S27.331 Laceration of lung, unilateral
            • S27.331A Laceration of lung, unilateral, initial encou...
            • S27.331D Laceration of lung, unilateral, subsequent en...
            • S27.331S …… sequela
          • S27.332 Laceration of lung, bilateral
            • S27.332A Laceration of lung, bilateral, initial encoun...
            • S27.332D Laceration of lung, bilateral, subsequent enc...
            • S27.332S …… sequela
          • S27.339 Laceration of lung, unspecified
            • S27.339A Laceration of lung, unspecified, initial enco...
            • S27.339D Laceration of lung, unspecified, subsequent e...
            • S27.339S …… sequela
        • S27.39 Other injuries of lung
          • S27.391 Other injuries of lung, unilateral
            • S27.391A Other injuries of lung, unilateral, initial e...
            • S27.391D Other injuries of lung, unilateral, subsequen...
            • S27.391S …… sequela
          • S27.392 Other injuries of lung, bilateral
            • S27.392A Other injuries of lung, bilateral, initial en...
            • S27.392D Other injuries of lung, bilateral, subsequent...
            • S27.392S …… sequela
          • S27.399 Other injuries of lung, unspecified
            • S27.399A Other injuries of lung, unspecified, initial ...
            • S27.399D Other injuries of lung, unspecified, subseque...
            • S27.399S …… sequela
      • S27.4 Injury of bronchus
        • S27.40 Unspecified injury of bronchus
          • S27.401 Unspecified injury of bronchus, unilateral
            • S27.401A Unspecified injury of bronchus, unilateral, i...
            • S27.401D Unspecified injury of bronchus, unilateral, s...
            • S27.401S Unspecified injury of bronchus, unilateral, s...
          • S27.402 Unspecified injury of bronchus, bilateral
            • S27.402A Unspecified injury of bronchus, bilateral, in...
            • S27.402D Unspecified injury of bronchus, bilateral, su...
            • S27.402S Unspecified injury of bronchus, bilateral, se...
          • S27.409 Unspecified injury of bronchus, unspecified
            • S27.409A Unspecified injury of bronchus, unspecified, ...
            • S27.409D Unspecified injury of bronchus, unspecified, ...
            • S27.409S Unspecified injury of bronchus, unspecified, ...
        • S27.41 Primary blast injury of bronchus
          • S27.411 Primary blast injury of bronchus, unilateral
            • S27.411A Primary blast injury of bronchus, unilateral,...
            • S27.411D Primary blast injury of bronchus, unilateral,...
            • S27.411S Primary blast injury of bronchus, unilateral,...
          • S27.412 Primary blast injury of bronchus, bilateral
            • S27.412A Primary blast injury of bronchus, bilateral, ...
            • S27.412D Primary blast injury of bronchus, bilateral, ...
            • S27.412S Primary blast injury of bronchus, bilateral, ...
          • S27.419 Primary blast injury of bronchus, unspecified...
            • S27.419A Primary blast injury of bronchus, unspecified...
            • S27.419D Primary blast injury of bronchus, unspecified...
            • S27.419S Primary blast injury of bronchus, unspecified...
        • S27.42 Contusion of bronchus
          • S27.421 Contusion of bronchus, unilateral
            • S27.421A Contusion of bronchus, unilateral, initial en...
            • S27.421D Contusion of bronchus, unilateral, subsequent...
            • S27.421S …… sequela
          • S27.422 Contusion of bronchus, bilateral
            • S27.422A Contusion of bronchus, bilateral, initial enc...
            • S27.422D Contusion of bronchus, bilateral, subsequent ...
            • S27.422S …… sequela
          • S27.429 Contusion of bronchus, unspecified
            • S27.429A Contusion of bronchus, unspecified, initial e...
            • S27.429D Contusion of bronchus, unspecified, subsequen...
            • S27.429S …… sequela
        • S27.43 Laceration of bronchus
          • S27.431 Laceration of bronchus, unilateral
            • S27.431A Laceration of bronchus, unilateral, initial e...
            • S27.431D Laceration of bronchus, unilateral, subsequen...
            • S27.431S …… sequela
          • S27.432 Laceration of bronchus, bilateral
            • S27.432A Laceration of bronchus, bilateral, initial en...
            • S27.432D Laceration of bronchus, bilateral, subsequent...
            • S27.432S …… sequela
          • S27.439 Laceration of bronchus, unspecified
            • S27.439A Laceration of bronchus, unspecified, initial ...
            • S27.439D Laceration of bronchus, unspecified, subseque...
            • S27.439S …… sequela
        • S27.49 Other injury of bronchus
          • S27.491 Other injury of bronchus, unilateral
            • S27.491A Other injury of bronchus, unilateral, initial...
            • S27.491D Other injury of bronchus, unilateral, subsequ...
            • S27.491S Other injury of bronchus, unilateral, sequela...
          • S27.492 Other injury of bronchus, bilateral
            • S27.492A Other injury of bronchus, bilateral, initial ...
            • S27.492D Other injury of bronchus, bilateral, subseque...
            • S27.492S …… sequela
          • S27.499 Other injury of bronchus, unspecified
            • S27.499A Other injury of bronchus, unspecified, initia...
            • S27.499D Other injury of bronchus, unspecified, subseq...
            • S27.499S Other injury of bronchus, unspecified, sequel...
      • S27.5 Injury of thoracic trachea
        • S27.50 Unspecified injury of thoracic trachea
          • S27.50XA Unspecified injury of thoracic trachea, initi...
          • S27.50XD Unspecified injury of thoracic trachea, subse...
          • S27.50XS Unspecified injury of thoracic trachea, seque...
        • S27.51 Primary blast injury of thoracic trachea
          • S27.51XA Primary blast injury of thoracic trachea, ini...
          • S27.51XD Primary blast injury of thoracic trachea, sub...
          • S27.51XS Primary blast injury of thoracic trachea, seq...
        • S27.52 Contusion of thoracic trachea
          • S27.52XA Contusion of thoracic trachea, initial encoun...
          • S27.52XD Contusion of thoracic trachea, subsequent enc...
          • S27.52XS …… sequela
        • S27.53 Laceration of thoracic trachea
          • S27.53XA Laceration of thoracic trachea, initial encou...
          • S27.53XD Laceration of thoracic trachea, subsequent en...
          • S27.53XS …… sequela
        • S27.59 Other injury of thoracic trachea
          • S27.59XA Other injury of thoracic trachea, initial enc...
          • S27.59XD Other injury of thoracic trachea, subsequent ...
          • S27.59XS …… sequela
      • S27.6 Injury of pleura
      • S27.8 Injury of other specified intrathoracic organ...
        • S27.80 Injury of diaphragm
        • S27.81 Injury of esophagus (thoracic part)
          • S27.812 Contusion of esophagus (thoracic part)
            • S27.812A Contusion of esophagus (thoracic part), initi...
            • S27.812D Contusion of esophagus (thoracic part), subse...
            • S27.812S Contusion of esophagus (thoracic part), seque...
          • S27.813 Laceration of esophagus (thoracic part)
            • S27.813A Laceration of esophagus (thoracic part), init...
            • S27.813D Laceration of esophagus (thoracic part), subs...
            • S27.813S Laceration of esophagus (thoracic part), sequ...
          • S27.818 Other injury of esophagus (thoracic part)
            • S27.818A Other injury of esophagus (thoracic part), in...
            • S27.818D Other injury of esophagus (thoracic part), su...
            • S27.818S Other injury of esophagus (thoracic part), se...
          • S27.819 Unspecified injury of esophagus (thoracic par...
            • S27.819A Unspecified injury of esophagus (thoracic par...
            • S27.819D Unspecified injury of esophagus (thoracic par...
            • S27.819S Unspecified injury of esophagus (thoracic par...
        • S27.89 Injury of other specified intrathoracic organ...
          • S27.892 Contusion of other specified intrathoracic or...
            • S27.892A Contusion of other specified intrathoracic or...
            • S27.892D Contusion of other specified intrathoracic or...
            • S27.892S Contusion of other specified intrathoracic or...
          • S27.893 Laceration of other specified intrathoracic o...
            • S27.893A Laceration of other specified intrathoracic o...
            • S27.893D Laceration of other specified intrathoracic o...
            • S27.893S Laceration of other specified intrathoracic o...
          • S27.898 Other injury of other specified intrathoracic...
            • S27.898A Other injury of other specified intrathoracic...
            • S27.898D Other injury of other specified intrathoracic...
            • S27.898S Other injury of other specified intrathoracic...
          • S27.899 Unspecified injury of other specified intrath...
            • S27.899A Unspecified injury of other specified intrath...
            • S27.899D Unspecified injury of other specified intrath...
            • S27.899S Unspecified injury of other specified intrath...
      • S27.9 Injury of unspecified intrathoracic organ
        • S27.9XXA Injury of unspecified intrathoracic organ, in...
        • S27.9XXD Injury of unspecified intrathoracic organ, su...
        • S27.9XXS Injury of unspecified intrathoracic organ, se...
    S27.-
    )
  • rib fracture (
    ICD-10-CM Diagnosis Code S22.3

    Fracture of one rib

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    S22.3-
    ,
    ICD-10-CM Diagnosis Code S22.4

    Multiple fractures of ribs

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Fractures of two or more ribs
    Type 1 Excludes
    S22.4-
    )
  • spinal cord injury (
    ICD-10-CM Diagnosis Code S24.0

    Concussion and edema of thoracic spinal cord

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    S24.0-
    ,
    ICD-10-CM Diagnosis Code S24.1

    Other and unspecified injuries of thoracic spinal cord

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    S24.1-
    )
  • traumatic hemopneumothorax (
    ICD-10-CM Diagnosis Code S27.3

    Other and unspecified injuries of lung

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    S27.3
    )
  • traumatic hemothorax (
    ICD-10-CM Diagnosis Code S27.1

    Traumatic hemothorax

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    S27.1
    )
  • traumatic pneumothorax (
    ICD-10-CM Diagnosis Code S27.0

    Traumatic pneumothorax

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • spontaneous pneumothorax (J93.-)
    S27.0
    )
  • wound infection
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as S21. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • traumatic amputation (partial) of thorax (
    ICD-10-CM Diagnosis Code S28.1

    Traumatic amputation (partial) of part of thorax, except breast

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    S28.1
    )
Codes
  • S21 Open wound of thorax
    • S21.0 Open wound of breast
    • S21.1 Open wound of front wall of thorax without penetration into thoracic cavity
      • S21.10 Unspecified open wound of front wall of thorax without penetration into thoracic cavity
        • S21.101 Unspecified open wound of right front wall of thorax without penetration into thoracic cavity
        • S21.102 Unspecified open wound of left front wall of thorax without penetration into thoracic cavity
        • S21.109 Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity
      • S21.11 Laceration without foreign body of front wall of thorax without penetration into thoracic cavity
        • S21.111 Laceration without foreign body of right front wall of thorax without penetration into thoracic cavity
        • S21.112 Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity
        • S21.119 Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity
      • S21.12 Laceration with foreign body of front wall of thorax without penetration into thoracic cavity
        • S21.121 Laceration with foreign body of right front wall of thorax without penetration into thoracic cavity
        • S21.122 Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity
        • S21.129 Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity
      • S21.13 Puncture wound without foreign body of front wall of thorax without penetration into thoracic cavity
        • S21.131 Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity
        • S21.132 Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity
        • S21.139 Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity
      • S21.14 Puncture wound with foreign body of front wall of thorax without penetration into thoracic cavity
        • S21.141 Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity
        • S21.142 Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity
        • S21.149 Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity
      • S21.15 Open bite of front wall of thorax without penetration into thoracic cavity
        • S21.151 Open bite of right front wall of thorax without penetration into thoracic cavity
        • S21.152 Open bite of left front wall of thorax without penetration into thoracic cavity
        • S21.159 Open bite of unspecified front wall of thorax without penetration into thoracic cavity
    • S21.2 Open wound of back wall of thorax without penetration into thoracic cavity
      • S21.20 Unspecified open wound of back wall of thorax without penetration into thoracic cavity
        • S21.201 Unspecified open wound of right back wall of thorax without penetration into thoracic cavity
        • S21.202 Unspecified open wound of left back wall of thorax without penetration into thoracic cavity
        • S21.209 Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity
      • S21.21 Laceration without foreign body of back wall of thorax without penetration into thoracic cavity
        • S21.211 Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity
        • S21.212 Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity
        • S21.219 Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity
      • S21.22 Laceration with foreign body of back wall of thorax without penetration into thoracic cavity
        • S21.221 Laceration with foreign body of right back wall of thorax without penetration into thoracic cavity
        • S21.222 Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity
        • S21.229 Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity
      • S21.23 Puncture wound without foreign body of back wall of thorax without penetration into thoracic cavity
        • S21.231 Puncture wound without foreign body of right back wall of thorax without penetration into thoracic cavity
        • S21.232 Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity
        • S21.239 Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity
      • S21.24 Puncture wound with foreign body of back wall of thorax without penetration into thoracic cavity
        • S21.241 Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity
        • S21.242 Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity
        • S21.249 Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity
      • S21.25 Open bite of back wall of thorax without penetration into thoracic cavity
        • S21.251 Open bite of right back wall of thorax without penetration into thoracic cavity
        • S21.252 Open bite of left back wall of thorax without penetration into thoracic cavity
        • S21.259 Open bite of unspecified back wall of thorax without penetration into thoracic cavity
    • S21.3 Open wound of front wall of thorax with penetration into thoracic cavity
      • 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
        • S21.302 Unspecified open wound of left front wall of thorax with penetration into thoracic cavity
        • S21.309 Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity
      • 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
        • S21.312 Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity
        • S21.319 Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity
      • S21.32 Laceration with foreign body of front wall of thorax with penetration into thoracic cavity
        • S21.321 Laceration with foreign body of right front wall of thorax with penetration into thoracic cavity
        • S21.322 Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity
        • S21.329 Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity
      • S21.33 Puncture wound without foreign body of front wall of thorax with penetration into thoracic cavity
        • S21.331 Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity
        • S21.332 Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity
        • S21.339 Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity
      • S21.34 Puncture wound with foreign body of front wall of thorax with penetration into thoracic cavity
        • S21.341 Puncture wound with foreign body of right front wall of thorax with penetration into thoracic cavity
        • S21.342 Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity
        • S21.349 Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity
      • S21.35 Open bite of front wall of thorax with penetration into thoracic cavity
        • S21.351 Open bite of right front wall of thorax with penetration into thoracic cavity
        • S21.352 Open bite of left front wall of thorax with penetration into thoracic cavity
        • S21.359 Open bite of unspecified front wall of thorax with penetration into thoracic cavity
    • S21.4 Open wound of back wall of thorax with penetration into thoracic cavity
      • S21.40 Unspecified open wound of back wall of thorax with penetration into thoracic cavity
        • S21.401 Unspecified open wound of right back wall of thorax with penetration into thoracic cavity
        • S21.402 Unspecified open wound of left back wall of thorax with penetration into thoracic cavity
        • S21.409 Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity
      • S21.41 Laceration without foreign body of back wall of thorax with penetration into thoracic cavity
        • S21.411 Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity
        • S21.412 Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity
        • S21.419 Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity
      • S21.42 Laceration with foreign body of back wall of thorax with penetration into thoracic cavity
        • S21.421 Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity
        • S21.422 Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity
        • S21.429 Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity
      • S21.43 Puncture wound without foreign body of back wall of thorax with penetration into thoracic cavity
        • S21.431 Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity
        • S21.432 Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity
        • S21.439 Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity
      • S21.44 Puncture wound with foreign body of back wall of thorax with penetration into thoracic cavity
        • S21.441 Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity
        • S21.442 Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity
        • S21.449 Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity
      • S21.45 Open bite of back wall of thorax with penetration into thoracic cavity
        • S21.451 Open bite of right back wall of thorax with penetration into thoracic cavity
        • S21.452 Open bite of left back wall of thorax with penetration into thoracic cavity
        • S21.459 Open bite of unspecified back wall of thorax with penetration into thoracic cavity
    • S21.9 Open wound of unspecified part of thorax
      • S21.90 Unspecified open wound of unspecified part of thorax
      • S21.91 Laceration without foreign body of unspecified part of thorax
      • S21.92 Laceration with foreign body of unspecified part of thorax
      • S21.93 Puncture wound without foreign body of unspecified part of thorax
      • S21.94 Puncture wound with foreign body of unspecified part of thorax
      • S21.95 Open bite of unspecified part of thorax