Medical Evidence the SSA Needs for SSDI: The Complete List
TL;DR: The SSA needs objective medical evidence including clinical exam findings, lab results, imaging studies, treatment records, medication history, and physician opinions on functional limitations. Evidence should be recent (within 90 days), from acceptable medical sources (MDs, DOs, psychologists, optometrists, speech pathologists), and should address both diagnosis and functional impact. The most important evidence is your treating physician's assessment of what you can still do (RFC opinion).
Insufficient medical evidence is the number one reason for SSDI denials. The SSA doesn't take your word for it. They need documented proof from medical professionals showing what's wrong and how it limits your ability to work.
Types of Evidence the SSA Accepts
| Evidence Type | What It Proves | Priority |
|---|---|---|
| Clinical examination findings | Physical signs of impairment | High |
| Laboratory tests | Objective diagnostic confirmation | High |
| Imaging (MRI, CT, X-ray) | Structural abnormalities | High |
| Treatment records/office notes | History and progression | High |
| Surgical reports | Severity, procedures attempted | High |
| Mental status examinations | Psychiatric/cognitive functioning | High |
| Psychological testing | IQ, memory, cognitive function | High |
| Treating physician RFC opinion | Specific functional limitations | Very High |
| Medication list with side effects | Treatment compliance and side effects | Medium |
| ER records | Acute episodes, severity | Medium |
| Physical/occupational therapy records | Functional testing data | Medium |
| Third-party function reports | Corroboration of limitations | Low-Medium |
Acceptable Medical Sources
- Licensed physicians (MD, DO)
- Licensed or certified psychologists
- Licensed optometrists
- Licensed podiatrists
- Qualified speech-language pathologists
- Licensed audiologists
- Licensed Advanced Practice Registered Nurses (APRNs)
- Licensed Physician Assistants (PAs)
What the SSA Wants to See
Diagnosis + Function
A diagnosis alone means nothing. "Patient has lumbar degenerative disc disease" doesn't tell the SSA whether you can work. "Patient has lumbar DDD with L4-5 disc herniation causing radiculopathy. Patient cannot sit more than 20 minutes, cannot lift more than 5 lbs, needs to recline 3-4 times daily for 30 minutes" tells them everything.
Consistency
Evidence from different sources should paint a consistent picture. If your orthopedist says you have severe limitations but your function report says you do laundry and cook meals daily, the SSA will question both.
Recency
The SSA gives the most weight to evidence from the last 90 days. Older records are relevant for showing history and progression, but current evidence is critical.
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Frequently Asked Questions
What should I know about diagnosis + function?
A diagnosis alone means nothing. "Patient has lumbar degenerative disc disease" doesn't tell the SSA whether you can work. "Patient has lumbar DDD with L4-5 disc herniation causing radiculopathy.
What should I know about consistency?
Evidence from different sources should paint a consistent picture. If your orthopedist says you have severe limitations but your function report says you do laundry and cook meals daily, the SSA will question both.
What should I know about recency?
The SSA gives the most weight to evidence from the last 90 days. Older records are relevant for showing history and progression, but current evidence is critical.