Multiple Sclerosis and SSDI
Multiple sclerosis has a dedicated SSA listing. Relapsing-remitting MS requires careful documentation of functional limitations during and between relapses.
What the SSA Looks For
MS is evaluated under Listing 11.09. The SSA requires disorganization of motor function in two extremities causing extreme limitation in ability to stand/balance/walk, OR marked limitation in physical functioning plus marked limitation in one mental area (understanding, interacting, concentrating, or adapting).
Common Reasons Claims Are Denied
- Relapsing-remitting MS appears controlled between relapses
- SSA focuses on periods of remission and discounts relapse severity
- Cognitive symptoms (MS fog) not adequately documented
- Fatigue not quantified in terms of work impact
How to Strengthen Your Appeal
MS fatigue and cognitive fog are often the primary disabling symptoms — not just physical weakness. Document Uhthoff's phenomenon (heat sensitivity worsening symptoms) and how it limits outdoor activity or work in warm environments. Neuropsychological testing can objectively document cognitive deficits.
Key Medical Evidence Needed
- MRI of brain and spine showing lesion burden and distribution
- Neurologist records with Expanded Disability Status Scale (EDSS) score
- Neuropsychological testing if cognitive involvement
- Records of disease-modifying therapy and response
- Neurologist RFC documenting specific functional limitations
Multiple sclerosis is a progressive neurological disease with highly variable presentation. The episodic nature of relapsing-remitting MS creates challenges for SSDI claims, but the SSA's listing and the RFC process both provide pathways to approval.
The Cognitive Dimension of MS
Up to 65% of MS patients experience cognitive symptoms — processing speed slowing, memory problems, and difficulty with complex tasks. These "invisible" symptoms are often more limiting for work than physical symptoms. Neuropsychological testing objectively documents these deficits and is worth requesting if your primary limitations are cognitive.
Progressive MS vs. Relapsing-Remitting
Primary progressive or secondary progressive MS, where disability accumulates without clear relapses, often produces stronger documentation because the functional decline is consistent rather than episodic. Document the overall trajectory of your condition over years, not just current status.
Talk to a Disability Attorney — Free Consultation
SSDI attorneys work on contingency — you pay nothing unless you win, and fees are capped at 25% of back pay (maximum $9,200 in 2025). Most offer free initial consultations.
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