S25.101A
S25.101A — Unspecified injury of right innominate or subclavian artery, initial encounter
Billable / specific codeICD-10-CMright
S25.101A is a billable, specific ICD-10-CM code for unspecified injury of right innominate or subclavian artery, 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 S25
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S25.101A 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
S25.101A 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.
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56631Billing and Coding: Thoracic Aortography and Carotid, Vertebral, and Subclavian Angiography
- A57056Billing and Coding: Aortography and Peripheral Angiography
Related codes at this level
Codes that share S25.101. If S25.101A is not quite right, the correct code is usually one of these.
Questions about S25.101A
- Is S25.101A a billable ICD-10-CM code?
- Yes. S25.101A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S25.101A 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).