S21.159
S21.159: Open bite of unspecified front wall of thorax without penetration into thoracic cavity
Non-billable headerICD-10-CM
S21.159 is a non-billable header ICD-10-CM code for open bite of unspecified front wall of thorax without 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 S21.159
3 child codes. Green means billable.
- S21.159AOpen bite of unspecified front wall of thorax without penetration into thoracic cavity, initial encounter
- S21.159DOpen bite of unspecified front wall of thorax without penetration into thoracic cavity, subsequent encounter
- S21.159SOpen bite of unspecified front wall of thorax without penetration into thoracic cavity, sequela