S20.221A
S20.221A — Contusion of right back wall of thorax, initial encounter
Billable / specific codeICD-10-CMright
S20.221A is a billable, specific ICD-10-CM code for contusion of right back wall of thorax, initial encounter. It is valid for submission on a claim.
7th character "A" — initial encounter
The appropriate 7th character is to be added to each code from category S20
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S20.221A 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
S20.221A is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56459Billing and Coding: Debridement Services
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56766Billing and Coding: Incision and Drainage (I&D) of Abscess of Skin, Subcutaneous and Accessory Structures
Related codes at this level
Codes that share S20.221. If S20.221A is not quite right, the correct code is usually one of these.
Questions about S20.221A
- Is S20.221A a billable ICD-10-CM code?
- Yes. S20.221A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S20.221A 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).