S20.20XS — Contusion of thorax, unspecified, sequela
S20.20XS is a billable, specific ICD-10-CM code for contusion of thorax, unspecified, sequela. It is valid for submission on a claim.
7th character "S" — sequela
The appropriate 7th character is to be added to each code from category S20
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S20.20XS 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.
Medicare coverage
S20.20XS is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
Code history
S20.20XS has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share S20.20. If S20.20XS is not quite right, the correct code is usually one of these.
Questions about S20.20XS
- Is S20.20XS a billable ICD-10-CM code?
- Yes. S20.20XS is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S20.20XS 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).