ICD-10-CM
ICD-10 code for Concussion (brain) (cerebral) (current) cauda equina: S34.3
The ICD-10-CM index points "Concussion (brain) (cerebral) (current) cauda equina" to S34.3, Injury of cauda equina. S34.3 is not billable on its own. Add the 7th character for the encounter, for example S34.3XXA, Injury of cauda equina, initial encounter.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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