Listing 11.17 · Neurological disorders
Neurodegenerative disorders not listed elsewhere
To be approved under this listing, a claim must meet any one of the criteria below — and the medical records have to prove it.
- A
Disorganization of motor function in two extremities.
In plain terms: Have you been diagnosed with a progressive neurodegenerative disorder — like Huntington's, Friedreich's ataxia, primary lateral sclerosis — causing severe motor problems in two limbs?
Evidence required:Genetic testTreating physician report - B
Marked limitation in physical AND one mental area.
In plain terms: Has the disorder significantly affected both your physical and mental functioning?
Evidence required:RFC (residual functional capacity) assessment
Estimate the odds
Historical approval rates for a claim like this — by state, age, and stage.
Approval odds by condition
How claims for this body system fare through the process.
Other neurological disorders listings
Source: SSA Listing of Impairments (Blue Book), 20 CFR Part 404, Subpart P, Appendix 1 · Updated 2026-07-31. Criteria paraphrased for readability; see the official SSA text linked above. Not legal or medical advice — whether a specific medical record meets Listing 11.17 is an individualized judgment SSA makes on the evidence.