ICD-10 CM Code S21.4
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
- S21.41 Laceration without foreign body of 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
- S21.43 Puncture wound without foreign body of 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
- S21.45 Open bite of back wall of thorax with penetration into thoracic cavity
Excludes Type 1
- traumatic amputation (partial) of thorax (S28.1)
7th Character
- The appropriate 7th character is to be added to each code from category S21
- A - initial encounter
- D - subsequent encounter
- S - sequela
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