No single piece of information is sufficient for diagnosing MS. In order for a clinician to make an MS diagnosis, they must observe lesions in at least 2 areas of the central nervous system and find evidence that these lesions formed at different points in time. More details about the diagnosis of MS can be found here.
How is multiple sclerosis diagnosed?
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•Last Updated: May 16, 2025
Multiple sclerosis is diagnosed by observing lesions in at least 2 areas of the central nervous system and confirming that these lesions occurred at different times. No single piece of information is sufficient for a definitive diagnosis.