S21
Open wound of thorax
7th Character Required
The appropriate 7th character is to be added to each code from category S21
A - initial encounter
D - subsequent encounter
S - sequela
Coding Guidelines
Excludes1 (Mutually Exclusive)
These codes should never be used together with S21
- S28.1 - traumatic amputation (partial) of thorax (S28.1)
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
Specific Codes (6)
Open wound of breast
Open wound of front wall of thorax without penetration into thoracic cavity
Open wound of back wall of thorax without penetration into thoracic cavity
Open wound of front wall of thorax with penetration into thoracic cavity
Open wound of back wall of thorax with penetration into thoracic cavity
Open wound of unspecified part of thorax


