MCMCB Pro
S24.149S

S24.149SBrown-Sequard syndrome at unspecified level of thoracic spinal cord, sequela

Billable / specific codeICD-10-CMPOA exempt

S24.149S is a billable, specific ICD-10-CM code for brown-sequard syndrome at unspecified level of thoracic spinal cord, 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

S24.149S 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

S24.149S is named in 7 Medicare coverage policies 7 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A53065Billing and Coding: Outpatient Physical Therapy
  • A56619Billing and Coding: Nerve Conduction Studies and Electromyography
  • A56695Billing and Coding: Implantable Infusion Pump
  • A57188Billing and Coding: Routine Foot Care

Related codes at this level

Codes that share S24.149. If S24.149S is not quite right, the correct code is usually one of these.

Questions about S24.149S

Is S24.149S a billable ICD-10-CM code?
Yes. S24.149S is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S24.149S 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).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.