S24.9XXS — Injury of unspecified nerve of thorax, sequela
S24.9XXS is a billable, specific ICD-10-CM code for injury of unspecified nerve of thorax, 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 S24
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S24.9XXS 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
S24.9XXS 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.
- A56034Billing and Coding: Nerve Blockade for Treatment of Chronic Pain and Neuropathy
- A56607Billing and Coding: Continuous Peripheral Nerve Blocks (CPNB)
- A57668Billing and Coding: Nerve Conduction Studies and Electromyography
Code history
S24.9XXS 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 S24.9. If S24.9XXS is not quite right, the correct code is usually one of these.
Questions about S24.9XXS
- Is S24.9XXS a billable ICD-10-CM code?
- Yes. S24.9XXS is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S24.9XXS 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).