S21.309D
S21.309D: Unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter
Billable / specific codeICD-10-CMPOA exempt
S21.309D is a billable, specific ICD-10-CM code for unspecified open wound of unspecified front wall of thorax with penetration into thoracic cavity, subsequent encounter. It is valid for submission on a claim.
Check S21.309D with the rest of the claim: free scrubber7th character "D": subsequent 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
S21.309D is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
- A57179Billing and Coding: Transesophageal Echocardiogram
- A57326Billing and Coding: Electrocardiograms
- A57414Billing and Coding: Upper Gastrointestinal Endoscopy (Diagnostic and Therapeutic)
Code history
Unchanged in every release from FY2024 to FY2027.