ICD-10-CM Code S21

Open wound of thorax

Version 2020 Non-Billable Code

Not Valid for Submission

S21 is a "header" nonspecific and non-billable code code, consider using a code with a higher level of specificity for a diagnosis of open wound of thorax. The code is NOT valid for the year 2020 for the submission of HIPAA-covered transactions.

ICD-10:S21
Short Description:Open wound of thorax
Long Description:Open wound of thorax

Consider the following ICD-10 codes with a higher level of specificity:

  • S21.0 - Open wound of breast
  • S21.00 - Unspecified open wound of breast
  • S21.001 - Unspecified open wound of right breast
  • S21.001A - Unspecified open wound of right breast, initial encounter
  • S21.001D - Unspecified open wound of right breast, subsequent encounter
  • S21.001S - Unspecified open wound of right breast, sequela
  • S21.002 - Unspecified open wound of left breast
  • S21.002A - Unspecified open wound of left breast, initial encounter
  • S21.002D - Unspecified open wound of left breast, subsequent encounter
  • S21.002S - Unspecified open wound of left breast, sequela
  • S21.009 - Unspecified open wound of unspecified breast
  • S21.009A - Unspecified open wound of unspecified breast, initial encounter
  • S21.009D - Unspecified open wound of unspecified breast, subsequent encounter
  • S21.009S - Unspecified open wound of unspecified breast, sequela
  • S21.01 - Laceration without foreign body of breast
  • S21.011 - Laceration without foreign body of right breast
  • S21.011A - Laceration without foreign body of right breast, initial encounter
  • S21.011D - Laceration without foreign body of right breast, subsequent encounter
  • S21.011S - Laceration without foreign body of right breast, sequela
  • S21.012 - Laceration without foreign body of left breast
  • S21.012A - Laceration without foreign body of left breast, initial encounter
  • S21.012D - Laceration without foreign body of left breast, subsequent encounter
  • S21.012S - Laceration without foreign body of left breast, sequela
  • S21.019 - Laceration without foreign body of unspecified breast
  • S21.019A - Laceration without foreign body of unspecified breast, initial encounter
  • S21.019D - Laceration without foreign body of unspecified breast, subsequent encounter
  • S21.019S - Laceration without foreign body of unspecified breast, sequela
  • S21.02 - Laceration with foreign body of breast
  • S21.021 - Laceration with foreign body of right breast
  • S21.021A - Laceration with foreign body of right breast, initial encounter
  • S21.021D - Laceration with foreign body of right breast, subsequent encounter
  • S21.021S - Laceration with foreign body of right breast, sequela
  • S21.022 - Laceration with foreign body of left breast
  • S21.022A - Laceration with foreign body of left breast, initial encounter
  • S21.022D - Laceration with foreign body of left breast, subsequent encounter
  • S21.022S - Laceration with foreign body of left breast, sequela
  • S21.029 - Laceration with foreign body of unspecified breast
  • S21.029A - Laceration with foreign body of unspecified breast, initial encounter
  • S21.029D - Laceration with foreign body of unspecified breast, subsequent encounter
  • S21.029S - Laceration with foreign body of unspecified breast, sequela
  • S21.03 - Puncture wound without foreign body of breast
  • S21.031 - Puncture wound without foreign body of right breast
  • S21.031A - Puncture wound without foreign body of right breast, initial encounter
  • S21.031D - Puncture wound without foreign body of right breast, subsequent encounter
  • S21.031S - Puncture wound without foreign body of right breast, sequela
  • S21.032 - Puncture wound without foreign body of left breast
  • S21.032A - Puncture wound without foreign body of left breast, initial encounter
  • S21.032D - Puncture wound without foreign body of left breast, subsequent encounter
  • S21.032S - Puncture wound without foreign body of left breast, sequela
  • S21.039 - Puncture wound without foreign body of unspecified breast
  • S21.039A - Puncture wound without foreign body of unspecified breast, initial encounter
  • S21.039D - Puncture wound without foreign body of unspecified breast, subsequent encounter
  • S21.039S - Puncture wound without foreign body of unspecified breast, sequela
  • S21.04 - Puncture wound with foreign body of breast
  • S21.041 - Puncture wound with foreign body of right breast
  • S21.041A - Puncture wound with foreign body of right breast, initial encounter
  • S21.041D - Puncture wound with foreign body of right breast, subsequent encounter
  • S21.041S - Puncture wound with foreign body of right breast, sequela
  • S21.042 - Puncture wound with foreign body of left breast
  • S21.042A - Puncture wound with foreign body of left breast, initial encounter
  • S21.042D - Puncture wound with foreign body of left breast, subsequent encounter
  • S21.042S - Puncture wound with foreign body of left breast, sequela
  • S21.049 - Puncture wound with foreign body of unspecified breast
  • S21.049A - Puncture wound with foreign body of unspecified breast, initial encounter
  • S21.049D - Puncture wound with foreign body of unspecified breast, subsequent encounter
  • S21.049S - Puncture wound with foreign body of unspecified breast, sequela
  • S21.05 - Open bite of breast
  • S21.051 - Open bite of right breast
  • S21.051A - Open bite of right breast, initial encounter
  • S21.051D - Open bite of right breast, subsequent encounter
  • S21.051S - Open bite of right breast, sequela
  • S21.052 - Open bite of left breast
  • S21.052A - Open bite of left breast, initial encounter
  • S21.052D - Open bite of left breast, subsequent encounter
  • S21.052S - Open bite of left breast, sequela
  • S21.059 - Open bite of unspecified breast
  • S21.059A - Open bite of unspecified breast, initial encounter
  • S21.059D - Open bite of unspecified breast, subsequent encounter
  • S21.059S - Open bite of unspecified breast, sequela
  • 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
  • S21.101A - Unspecified open wound of right front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.101D - Unspecified open wound of right front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.101S - Unspecified open wound of right front wall of thorax without penetration into thoracic cavity, sequela
  • S21.102 - Unspecified open wound of left front wall of thorax without penetration into thoracic cavity
  • S21.102A - Unspecified open wound of left front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.102D - Unspecified open wound of left front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.102S - Unspecified open wound of left front wall of thorax without penetration into thoracic cavity, sequela
  • S21.109 - Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity
  • S21.109A - Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.109D - Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.109S - Unspecified open wound of unspecified front wall of thorax without penetration into thoracic cavity, sequela
  • 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
  • S21.111A - Laceration without foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.111D - Laceration without foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.111S - Laceration without foreign body of right front wall of thorax without penetration into thoracic cavity, sequela
  • S21.112 - Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity
  • S21.112A - Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.112D - Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.112S - Laceration without foreign body of left front wall of thorax without penetration into thoracic cavity, sequela
  • S21.119 - Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity
  • S21.119A - Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.119D - Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.119S - Laceration without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela
  • 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
  • S21.121A - Laceration with foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.121D - Laceration with foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.121S - Laceration with foreign body of right front wall of thorax without penetration into thoracic cavity, sequela
  • S21.122 - Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity
  • S21.122A - Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.122D - Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.122S - Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity, sequela
  • S21.129 - Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity
  • S21.129A - Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.129D - Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.129S - Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela
  • 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
  • S21.131A - Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.131D - Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.131S - Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity, sequela
  • S21.132 - Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity
  • S21.132A - Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.132D - Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.132S - Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity, sequela
  • S21.139 - Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity
  • S21.139A - Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.139D - Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.139S - Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela
  • 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
  • S21.141A - Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.141D - Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.141S - Puncture wound with foreign body of right front wall of thorax without penetration into thoracic cavity, sequela
  • S21.142 - Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity
  • S21.142A - Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.142D - Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.142S - Puncture wound with foreign body of left front wall of thorax without penetration into thoracic cavity, sequela
  • S21.149 - Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity
  • S21.149A - Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.149D - Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.149S - Puncture wound with foreign body of unspecified front wall of thorax without penetration into thoracic cavity, sequela
  • 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
  • S21.151A - Open bite of right front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.151D - Open bite of right front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.151S - Open bite of right front wall of thorax without penetration into thoracic cavity, sequela
  • S21.152 - Open bite of left front wall of thorax without penetration into thoracic cavity
  • S21.152A - Open bite of left front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.152D - Open bite of left front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.152S - Open bite of left front wall of thorax without penetration into thoracic cavity, sequela
  • S21.159 - Open bite of unspecified front wall of thorax without penetration into thoracic cavity
  • S21.159A - Open bite of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.159D - Open bite of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.159S - Open bite of unspecified front wall of thorax without penetration into thoracic cavity, sequela
  • 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
  • S21.201A - Unspecified open wound of right back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.201D - Unspecified open wound of right back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.201S - Unspecified open wound of right back wall of thorax without penetration into thoracic cavity, sequela
  • S21.202 - Unspecified open wound of left back wall of thorax without penetration into thoracic cavity
  • S21.202A - Unspecified open wound of left back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.202D - Unspecified open wound of left back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.202S - Unspecified open wound of left back wall of thorax without penetration into thoracic cavity, sequela
  • S21.209 - Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity
  • S21.209A - Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.209D - Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.209S - Unspecified open wound of unspecified back wall of thorax without penetration into thoracic cavity, sequela
  • 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
  • S21.211A - Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.211D - Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.211S - Laceration without foreign body of right back wall of thorax without penetration into thoracic cavity, sequela
  • S21.212 - Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity
  • S21.212A - Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.212D - Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.212S - Laceration without foreign body of left back wall of thorax without penetration into thoracic cavity, sequela
  • S21.219 - Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity
  • S21.219A - Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.219D - Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.219S - Laceration without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, sequela
  • 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
  • S21.221A - Laceration with foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.221D - Laceration with foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.221S - Laceration with foreign body of right back wall of thorax without penetration into thoracic cavity, sequela
  • S21.222 - Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity
  • S21.222A - Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.222D - Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.222S - Laceration with foreign body of left back wall of thorax without penetration into thoracic cavity, sequela
  • S21.229 - Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity
  • S21.229A - Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.229D - Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.229S - Laceration with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, sequela
  • 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
  • S21.231A - Puncture wound without foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.231D - Puncture wound without foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.231S - Puncture wound without foreign body of right back wall of thorax without penetration into thoracic cavity, sequela
  • S21.232 - Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity
  • S21.232A - Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.232D - Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.232S - Puncture wound without foreign body of left back wall of thorax without penetration into thoracic cavity, sequela
  • S21.239 - Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity
  • S21.239A - Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.239D - Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.239S - Puncture wound without foreign body of unspecified back wall of thorax without penetration into thoracic cavity, sequela
  • 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
  • S21.241A - Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.241D - Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.241S - Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity, sequela
  • S21.242 - Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity
  • S21.242A - Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.242D - Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.242S - Puncture wound with foreign body of left back wall of thorax without penetration into thoracic cavity, sequela
  • S21.249 - Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity
  • S21.249A - Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.249D - Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.249S - Puncture wound with foreign body of unspecified back wall of thorax without penetration into thoracic cavity, sequela
  • 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
  • S21.251A - Open bite of right back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.251D - Open bite of right back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.251S - Open bite of right back wall of thorax without penetration into thoracic cavity, sequela
  • S21.252 - Open bite of left back wall of thorax without penetration into thoracic cavity
  • S21.252A - Open bite of left back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.252D - Open bite of left back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.252S - Open bite of left back wall of thorax without penetration into thoracic cavity, sequela
  • S21.259 - Open bite of unspecified back wall of thorax without penetration into thoracic cavity
  • S21.259A - Open bite of unspecified back wall of thorax without penetration into thoracic cavity, initial encounter
  • S21.259D - Open bite of unspecified back wall of thorax without penetration into thoracic cavity, subsequent encounter
  • S21.259S - Open bite of unspecified back wall of thorax without penetration into thoracic cavity, sequela
  • 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
  • S21.301A - Unspecified open wound of right front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.301D - Unspecified open wound of right front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.301S - Unspecified open wound of right front wall of thorax with penetration into thoracic cavity, sequela
  • S21.302 - Unspecified open wound of left front wall of thorax with penetration into thoracic cavity
  • S21.302A - Unspecified open wound of left front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.302D - Unspecified open wound of left front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.302S - Unspecified open wound of left front wall of thorax with penetration into thoracic cavity, sequela
  • S21.309 - Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity
  • S21.309A - Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.309D - Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.309S - Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, 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 - Laceration without foreign body of right front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.311D - Laceration without foreign body of right front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.311S - Laceration without foreign body of right front wall of thorax with penetration into thoracic cavity, sequela
  • S21.312 - Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity
  • S21.312A - Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.312D - Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.312S - Laceration without foreign body of left front wall of thorax with penetration into thoracic cavity, sequela
  • S21.319 - Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity
  • S21.319A - Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.319D - Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.319S - Laceration without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, sequela
  • 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
  • S21.321A - Laceration with foreign body of right front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.321D - Laceration with foreign body of right front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.321S - Laceration with foreign body of right front wall of thorax with penetration into thoracic cavity, sequela
  • S21.322 - Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity
  • S21.322A - Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.322D - Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.322S - Laceration with foreign body of left front wall of thorax with penetration into thoracic cavity, sequela
  • S21.329 - Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity
  • S21.329A - Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.329D - Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.329S - Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, sequela
  • 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
  • S21.331A - Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.331D - Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.331S - Puncture wound without foreign body of right front wall of thorax with penetration into thoracic cavity, sequela
  • S21.332 - Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity
  • S21.332A - Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.332D - Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.332S - Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity, sequela
  • S21.339 - Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity
  • S21.339A - Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.339D - Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.339S - Puncture wound without foreign body of unspecified front wall of thorax with penetration into thoracic cavity, sequela
  • 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
  • S21.341A - Puncture wound with foreign body of right front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.341D - Puncture wound with foreign body of right front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.341S - Puncture wound with foreign body of right front wall of thorax with penetration into thoracic cavity, sequela
  • S21.342 - Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity
  • S21.342A - Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.342D - Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.342S - Puncture wound with foreign body of left front wall of thorax with penetration into thoracic cavity, sequela
  • S21.349 - Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity
  • S21.349A - Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.349D - Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.349S - Puncture wound with foreign body of unspecified front wall of thorax with penetration into thoracic cavity, sequela
  • 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
  • S21.351A - Open bite of right front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.351D - Open bite of right front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.351S - Open bite of right front wall of thorax with penetration into thoracic cavity, sequela
  • S21.352 - Open bite of left front wall of thorax with penetration into thoracic cavity
  • S21.352A - Open bite of left front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.352D - Open bite of left front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.352S - Open bite of left front wall of thorax with penetration into thoracic cavity, sequela
  • S21.359 - Open bite of unspecified front wall of thorax with penetration into thoracic cavity
  • S21.359A - Open bite of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.359D - Open bite of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.359S - Open bite of unspecified front wall of thorax with penetration into thoracic cavity, sequela
  • 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
  • S21.401A - Unspecified open wound of right back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.401D - Unspecified open wound of right back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.401S - Unspecified open wound of right back wall of thorax with penetration into thoracic cavity, sequela
  • S21.402 - Unspecified open wound of left back wall of thorax with penetration into thoracic cavity
  • S21.402A - Unspecified open wound of left back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.402D - Unspecified open wound of left back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.402S - Unspecified open wound of left back wall of thorax with penetration into thoracic cavity, sequela
  • S21.409 - Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity
  • S21.409A - Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.409D - Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.409S - Unspecified open wound of unspecified back wall of thorax with penetration into thoracic cavity, sequela
  • 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
  • S21.411A - Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.411D - Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.411S - Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity, sequela
  • S21.412 - Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity
  • S21.412A - Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.412D - Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.412S - Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity, sequela
  • S21.419 - Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity
  • S21.419A - Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.419D - Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.419S - Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela
  • 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
  • S21.421A - Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.421D - Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.421S - Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity, sequela
  • S21.422 - Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity
  • S21.422A - Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.422D - Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.422S - Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity, sequela
  • S21.429 - Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity
  • S21.429A - Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.429D - Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.429S - Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela
  • 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
  • S21.431A - Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.431D - Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.431S - Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity, sequela
  • S21.432 - Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity
  • S21.432A - Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.432D - Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.432S - Puncture wound without foreign body of left back wall of thorax with penetration into thoracic cavity, sequela
  • S21.439 - Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity
  • S21.439A - Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.439D - Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.439S - Puncture wound without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela
  • 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
  • S21.441A - Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.441D - Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.441S - Puncture wound with foreign body of right back wall of thorax with penetration into thoracic cavity, sequela
  • S21.442 - Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity
  • S21.442A - Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.442D - Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.442S - Puncture wound with foreign body of left back wall of thorax with penetration into thoracic cavity, sequela
  • S21.449 - Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity
  • S21.449A - Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.449D - Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.449S - Puncture wound with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela
  • 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
  • S21.451A - Open bite of right back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.451D - Open bite of right back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.451S - Open bite of right back wall of thorax with penetration into thoracic cavity, sequela
  • S21.452 - Open bite of left back wall of thorax with penetration into thoracic cavity
  • S21.452A - Open bite of left back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.452D - Open bite of left back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.452S - Open bite of left back wall of thorax with penetration into thoracic cavity, sequela
  • S21.459 - Open bite of unspecified back wall of thorax with penetration into thoracic cavity
  • S21.459A - Open bite of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter
  • S21.459D - Open bite of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter
  • S21.459S - Open bite of unspecified back wall of thorax with penetration into thoracic cavity, sequela
  • S21.9 - Open wound of unspecified part of thorax
  • S21.90 - Unspecified open wound of unspecified part of thorax
  • S21.90XA - Unspecified open wound of unspecified part of thorax, initial encounter
  • S21.90XD - Unspecified open wound of unspecified part of thorax, subsequent encounter
  • S21.90XS - Unspecified open wound of unspecified part of thorax, sequela
  • S21.91 - Laceration without foreign body of unspecified part of thorax
  • S21.91XA - Laceration without foreign body of unspecified part of thorax, initial encounter
  • S21.91XD - Laceration without foreign body of unspecified part of thorax, subsequent encounter
  • S21.91XS - Laceration without foreign body of unspecified part of thorax, sequela
  • S21.92 - Laceration with foreign body of unspecified part of thorax
  • S21.92XA - Laceration with foreign body of unspecified part of thorax, initial encounter
  • S21.92XD - Laceration with foreign body of unspecified part of thorax, subsequent encounter
  • S21.92XS - Laceration with foreign body of unspecified part of thorax, sequela
  • S21.93 - Puncture wound without foreign body of unspecified part of thorax
  • S21.93XA - Puncture wound without foreign body of unspecified part of thorax, initial encounter
  • S21.93XD - Puncture wound without foreign body of unspecified part of thorax, subsequent encounter
  • S21.93XS - Puncture wound without foreign body of unspecified part of thorax, sequela
  • S21.94 - Puncture wound with foreign body of unspecified part of thorax
  • S21.94XA - Puncture wound with foreign body of unspecified part of thorax, initial encounter
  • S21.94XD - Puncture wound with foreign body of unspecified part of thorax, subsequent encounter
  • S21.94XS - Puncture wound with foreign body of unspecified part of thorax, sequela
  • S21.95 - Open bite of unspecified part of thorax
  • S21.95XA - Open bite of unspecified part of thorax, initial encounter
  • S21.95XD - Open bite of unspecified part of thorax, subsequent encounter
  • S21.95XS - Open bite of unspecified part of thorax, sequela

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code S21:

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 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

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • traumatic amputation partial of thorax S28.1

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 S21

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

Code Classification

  • Injury, poisoning and certain other consequences of external causes (S00–T98)
    • Injuries to the thorax (S20-S29)
      • Open wound of thorax (S21)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

Information for Patients


Chest Injuries and Disorders

The chest is the part of the body between your neck and your abdomen. It includes the ribs and breastbone. Inside your chest are several organs, including the heart, lungs, and esophagus. The pleura, a large thin sheet of tissue, lines the inside of the chest cavity.

Chest injuries and disorders include

  • Heart diseases
  • Lung diseases and collapsed lung
  • Pleural disorders
  • Esophagus disorders
  • Broken ribs
  • Thoracic aortic aneurysms
  • Disorders of the mediastinum, the space between the lungs, breastbone, and spine

[Learn More]

Wounds and Injuries

An injury is damage to your body. It is a general term that refers to harm caused by accidents, falls, hits, weapons, and more. In the U.S., millions of people injure themselves every year. These injuries range from minor to life-threatening. Injuries can happen at work or play, indoors or outdoors, driving a car, or walking across the street.

Wounds are injuries that break the skin or other body tissues. They include cuts, scrapes, scratches, and punctured skin. They often happen because of an accident, but surgery, sutures, and stitches also cause wounds. Minor wounds usually aren't serious, but it is important to clean them. Serious and infected wounds may require first aid followed by a visit to your doctor. You should also seek attention if the wound is deep, you cannot close it yourself, you cannot stop the bleeding or get the dirt out, or it does not heal.

Other common types of injuries include

  • Animal bites
  • Bruises
  • Burns
  • Dislocations
  • Electrical injuries
  • Fractures
  • Sprains and strains

[Learn More]