S21.429A
S21.429A: Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter
Billable / specific codeICD-10-CM
S21.429A is a billable, specific ICD-10-CM code for laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter. It is valid for submission on a claim.
Check S21.429A with the rest of the claim: free scrubber7th character "A": initial encounter
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.
Medicare coverage
S21.429A is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
- A57205Billing and Coding: Oximetry Services
Code history
Unchanged in every release from FY2024 to FY2027.