S21.401
S21.401: Unspecified open wound of right back wall of thorax with penetration into thoracic cavity
Non-billable headerICD-10-CMright
S21.401 is a non-billable header ICD-10-CM code for unspecified open wound of right back wall of thorax with penetration into thoracic cavity. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category S21
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead S21.401
3 child codes. Green means billable.
- S21.401AUnspecified open wound of right back wall of thorax with penetration into thoracic cavity, initial encounter
- S21.401DUnspecified open wound of right back wall of thorax with penetration into thoracic cavity, subsequent encounter
- S21.401SUnspecified open wound of right back wall of thorax with penetration into thoracic cavity, sequela