S21.359
S21.359 — Open bite of unspecified front wall of thorax with penetration into thoracic cavity
Non-billable headerICD-10-CM
S21.359 is a non-billable header ICD-10-CM code for open bite of unspecified front 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
S21.359 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead S21.359
3 child codes. Green means billable.
- S21.359AOpen bite of unspecified front wall of thorax with penetration into thoracic cavity, initial encounter
- S21.359DOpen bite of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter
- S21.359SOpen bite of unspecified front wall of thorax with penetration into thoracic cavity, sequela
Related codes at this level
Codes that share S21.35. If S21.359 is not quite right, the correct code is usually one of these.
Questions about S21.359
- Is S21.359 a billable ICD-10-CM code?
- No. S21.359 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does S21.359 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the thorax (S20-S29).