S24.0XXA Concussion and edema of thoracic spinal cord, initial encounter

ICD-10-CM S24.0XXA: Concussion and Edema of Thoracic Spinal Cord, Initial Encounter

ICD-10-CM code S24.0XXA designates the initial encounter for concussion and edema of the thoracic spinal cord. It is a billable diagnosis classified under the broader parent category S24.0. The supplied sources establish its official terminology, active status, and mapping to risk adjustment models, while clinical literature provides general context on spinal cord injuries. 1 4

Plain-language overview

ICD-10-CM code S24.0XXA is an active terminology concept representing an injury or poisoning event, specifically involving concussion and edema of the thoracic spinal cord during an initial encounter. 1

What this code represents

The code S24.0XXA is a billable diagnosis representing concussion and edema of the thoracic spinal cord at the initial encounter, functioning as a narrower concept under the parent code S24.0. 1 4

Clinical context

Acute spinal cord injury is a devastating condition requiring a multidisciplinary approach, where primary injuries result from direct mechanical forces causing damage to axons, blood vessels, and cell membranes. 2

Documentation considerations

For S24.0XXA to count as a valid diagnosis in risk adjustment, provider documentation must satisfy MEAT criteria by showing the provider monitored, evaluated, assessed, or treated the condition during that specific encounter. 4

Coders are directed to report S24.0XXA only when provider documentation supports the specific condition described, as more specific codes within the same hierarchy can capture additional clinical detail. 4

Coverage and utilization context

Under the CMS-HCC V28 risk adjustment model, S24.0XXA maps to Spinal Cord Disorders/Injuries (HCC 182) with a community, non-dual, aged base RAF weight of 0.478. 4

What the sources add

While the terminology record defines S24.0XXA as an active injury concept, the billing source adds operational context by establishing its billable status and detailing its specific Medicare Advantage risk adjustment mapping. 1 4

The public health source confirms the exact official display label for S24.0XXA, while the clinical literature source provides general background on the devastating physical and economic impacts of acute spinal cord injuries. 3 2

Sources

1. ICD-10-CM S24.0XXA terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Review: Steroid Use in Patients With Acute Spinal Cord Injury and Guideline Update — pmc.ncbi.nlm.nih.gov; accessed 2026-07-27.
3. Head and Spinal Cord ICD-10 Inclusion Codes — dph.illinois.gov; accessed 2026-07-27.
4. 2026 ICD-10-CM S24.0XXA: Concussion and edema | HCC 182 — hccbuddy.com; accessed 2026-07-27.
5. Medical Billing Code Search — app.drchrono.com; accessed 2026-07-27.