Multiple Sclerosis (MS) and Social Security Disability

Multiple Sclerosis (MS) and Social Security Disability

Multiple Sclerosis (MS) is a chronic, immune-mediated disease that affects the central nervous system—the brain, spinal cord, and optic nerves. MS can cause inflammation and damage to myelin (the protective covering around nerves) and, over time, may lead to significant physical, visual, and cognitive limitations. The exact cause of MS is still not fully understood, and it can look different from person to person. Some individuals experience long periods of stability, while others have frequent relapses or progressive worsening. What matters for Social Security Disability purposes is not the diagnosis alone, but how MS limits your ability to function and work on a sustained basis.

Common Symptoms That Can Affect the Ability to Work

MS symptoms vary widely, but some commonly reported problems include:

• Balance problems and falls
• Weakness in the arms or legs
• Numbness or tingling
• Tremors or spasticity
• Visual changes (including optic neuritis)
• Severe fatigue
• Dizziness
• Speech or swallowing difficulty
• Cognitive issues such as slowed processing, attention problems, and memory difficulties

Even when symptoms come and go, unpredictability (relapses, “good days and bad days,” fatigue flares) can make it difficult to keep a consistent schedule, maintain pace, or perform safely at work.

How Social Security Evaluates MS: Listing 11.09

The Social Security Administration evaluates MS under Listing 11.09 in the Neurological Disorders section of the Blue Book.

Broadly speaking, MS may meet Listing 11.09 if it results in either:

1. Significant and persistent motor dysfunction in two extremities (for example, legs and an arm), causing an extreme limitation in standing up, balancing, walking, or using the upper extremities; or
2. A marked limitation in physical functioning along with a marked limitation in at least one area of mental functioning (such as understanding/remembering information, maintaining concentration/persistence/pace, interacting with others, or adapting/managing oneself).

In plain English: Social Security is looking for medical proof that MS causes major limits in mobility and/or hand function, or a combination of physical and cognitive/psychological limitations severe enough to prevent reliable full-time work.

What If You Do Not Meet Listing 11.09?

Many people with MS do not meet the listing exactly—but can still be found disabled.

If your MS symptoms prevent you from returning to past relevant work and also prevent you from performing other work on a sustained basis, Social Security can still approve the claim based on your Residual Functional Capacity (RFC) and vocational factors (age, education, and work history). The SSA’s neurological guidance for evaluating MS under 11.09 specifically addresses how functional limitations are assessed.

Compassionate Allowances for certain severe MS presentations

The SSA maintains specific guidance for malignant multiple sclerosis under its Compassionate Allowances-related POMS, indicating it may meet Listing 11.09 and therefore due to an expedited determination.

Evidence That Often Makes or Breaks an MS Claim

MS claims are strongest when the record clearly documents functional impact over time, including:

• Neurology records showing diagnosis, relapses, progression, and treatment response
• MRI and other diagnostic evidence (when available)
• Consistent documentation of gait problems, falls, spasticity, weakness, or hand dysfunction
• Fatigue severity and its impact on attendance and endurance
• Cognitive symptoms and mental health effects (depression/anxiety are common in chronic neurologic illness)
• Medication side effects (sedation, infection risk management, brain fog, etc.)

The Bottom Line

MS is recognized by Social Security as a condition that can be disabling—but a diagnosis alone is not enough. The key issue is whether MS causes limitations severe enough to prevent reliable, full-time work on a sustained basis.

If you have MS and your symptoms—such as fatigue, balance problems, weakness, vision issues, or cognitive changes—are preventing you from working, it is important to ensure your medical records clearly reflect both the diagnosis and the day-to-day functional impact.

If you or someone you care for suffers with multiple sclerosis, have been denied in your application for Social Security Disability benefits and you have questions about your rights, please do not hesitate to contact and speak with one of the experienced Alabama Workers Compensation and Social Security Disability Lawyers at Powell and Denny today for a free consultation; and remember, virtual appointments are available through Zoom so you can meet with one of the attorneys of Powell and Denny from wherever you live. And remember, there is no fee unless you win.

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Multiple Sclerosis (MS) and Social Security Disability