S24.133D — Anterior cord syndrome at T7-T10 level of thoracic spinal cord, subsequent encounter
S24.133D is a billable, specific ICD-10-CM code for anterior cord syndrome at t7-t10 level of thoracic spinal cord, subsequent encounter. It is valid for submission on a claim.
7th character "D" — subsequent encounter
The appropriate 7th character is to be added to each code from category S24
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
S24.133D risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 182 Spinal Cord Disorders/Injuries0.478 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
S24.133D is named in 12 Medicare coverage policies — 12 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
- A54095Billing and Coding: Nerve Conduction Studies and Electromyography
- A54969Billing and Coding: Nerve Conduction Studies and Electromyography
- A56619Billing and Coding: Nerve Conduction Studies and Electromyography
Code history
S24.133D 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 S24.133. If S24.133D is not quite right, the correct code is usually one of these.
Questions about S24.133D
- Is S24.133D a billable ICD-10-CM code?
- Yes. S24.133D is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does S24.133D 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).