S20
S20: Superficial injury of thorax
Non-billable headerICD-10-CM
S20 is a non-billable header ICD-10-CM code for superficial injury of thorax. 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 S20
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Other codes that can never be billed with S20
Their own Excludes1 notes name this code, so the conflict is not listed above.
- S20.9Superficial injury of unspecified parts of thorax
- S21.05Open bite of breast
- S21.15Open bite of front wall of thorax without penetration into thoracic cavity
- S21.25Open bite of back wall of thorax without penetration into thoracic cavity
- S21.35Open bite of front wall of thorax with penetration into thoracic cavity
- S21.45Open bite of back wall of thorax with penetration into thoracic cavity
- S21.95Open bite of unspecified part of thorax
- S21.95XAOpen bite of unspecified part of thorax, initial encounter
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 S20
6 child codes. Green means billable.
- S20.0Contusion of breast
- S20.1Other and unspecified superficial injuries of breast
- S20.2Contusion of thorax
- S20.3Other and unspecified superficial injuries of front wall of thorax
- S20.4Other and unspecified superficial injuries of back wall of thorax
- S20.9Superficial injury of unspecified parts of thorax