Social Security determines disability through a five-step sequential evaluation: whether you are working above the earnings limit, whether your condition is severe, whether it meets a listed impairment, whether you can still do past work, and whether you can adjust to other work. A decision at any single step can end the process with either an approval or a denial. Every claim runs through the same framework, whether it is filed under Social Security Disability Insurance or Supplemental Security Income.
The Definition Behind the Five Steps
Social Security defines disability as the inability to perform any substantial work because of a physical or mental condition that is expected to last at least 12 continuous months or result in death. 1Social Security Administration. Code of Federal Regulations 404.1505 – Definition of Disability There is no partial or short-term category. You are either totally disabled under this definition or you are not, and the five-step process is how that call gets made.
One boundary before the medical evaluation begins: SSDI and SSI have separate non-medical eligibility rules. SSDI depends on your work history and Social Security credits, while SSI is needs-based, with a 2026 resource limit of $2,000 for an individual and $3,000 for a couple. 2Social Security Administration. 2026 Cost-of-Living Adjustment (COLA) Fact Sheet If you fail those gateways, the five-step medical review never happens. If you clear them, the same medical standard applies to both programs.
Step 1: Are You Working Above the Earnings Limit?
The first question is whether you are engaged in substantial gainful activity, meaning you are earning above a set monthly threshold. In 2026, that threshold is $1,690 per month for non-blind individuals and $2,830 per month for people who are statutorily blind. 3Social Security Administration. Substantial Gainful Activity If your earnings exceed the applicable limit, the claim is denied at this step without any medical review. Earn below it, or not at all, and the evaluation moves to Step 2.
Step 2: Is Your Condition Severe?
At the second step, the agency looks at whether your impairment significantly limits your ability to do basic work activities such as walking, standing, lifting, concentrating, or following instructions. If you do not have a severe impairment, or a combination of impairments that together are severe, the claim is denied. 4eCFR. 20 CFR 404.1520 – Evaluation of Disability in General Your condition must also satisfy the duration requirement: lasted or expected to last at least 12 months, or expected to result in death. The bar for “severe” is relatively low. It filters out minor or short-lived conditions, but anything more than a minimal effect on your capacity to work generally clears this step.
Step 3: Does Your Condition Meet a Listed Impairment?
If your condition is severe, the agency compares it against the Listing of Impairments, a catalog organized by body system, including musculoskeletal, cardiovascular, respiratory, neurological, and mental health disorders. 5eCFR. 20 CFR 404.1525 – Listing of Impairments in Appendix 1 Each listing spells out specific clinical findings, lab results, or functional limitations. If your condition matches the criteria of a listing, you are approved without any further look at your age, education, or work history. 4eCFR. 20 CFR 404.1520 – Evaluation of Disability in General
Medical Equivalence
Conditions that do not precisely match a listing can still qualify if they are medically equivalent, meaning your symptoms and limitations are at least equal in severity and duration to the criteria of a closely related listing. A medical or psychological consultant reviews your records and compares them against the most analogous listing. 6eCFR. 20 CFR Part 404 Subpart P – Medical Considerations This route matters for rare or complex diagnoses without a dedicated entry.
Mental Health Listings
Mental health conditions like depressive disorders, anxiety disorders, schizophrenia, and intellectual disabilities have their own section. Most of these listings evaluate limitations across four functional areas: understanding and applying information, interacting with others, concentrating and keeping pace, and adapting or managing yourself. To meet a listing, your condition generally must cause an “extreme” limitation in one of these areas or a “marked” limitation in at least two. 7Social Security Administration. 12.00 Mental Disorders – Adult
Compassionate Allowances
Certain conditions, primarily aggressive cancers, severe brain disorders, and rare childhood diseases, qualify for the Compassionate Allowances program, which fast-tracks the determination. The agency uses technology to flag these conditions early so that claimants with the most serious disabilities wait less time for a decision. 8Social Security Administration. Compassionate Allowances
Residual Functional Capacity: The Bridge to Steps 4 and 5
When your condition does not meet or equal a listing, the agency has to figure out what you can still do. That assessment is your residual functional capacity, or RFC: the most you can still handle despite your limitations. The RFC starts with physical abilities, sorting you into an exertional category. 9Social Security Administration. Code of Federal Regulations 404.1567 – Physical Exertion Requirements
- Sedentary: lifting no more than 10 pounds at a time, sitting for roughly six hours of an eight-hour workday, with only occasional walking or standing.
- Light: lifting up to 20 pounds at a time, with a good deal of walking or standing, or sitting with some pushing and pulling of controls.
- Medium: lifting up to 50 pounds at a time, with frequent lifting of up to 25 pounds.
- Heavy and very heavy: lifting 50 to 100 pounds or more.
The RFC also accounts for non-physical limitations, including your ability to follow instructions, handle workplace stress, stay focused, or tolerate environmental conditions like dust, noise, or temperature extremes. 10Social Security Administration. Code of Federal Regulations 416.945 – Your Residual Functional Capacity
Step 4: Can You Still Do Your Past Work?
With your RFC in hand, the agency asks whether you can still perform any job you held during the past 15 years, provided that job qualified as substantial gainful activity and lasted long enough for you to learn it. 11Social Security Administration. Code of Federal Regulations 404.1560 – When We Will Consider Your Vocational Background The comparison is between your current RFC and the demands of each former job, not whether your old employer would hire you back. If you can still handle any of your past jobs, the claim is denied.
Step 5: Can You Adjust to Other Work?
If you cannot do any of your past work, the final step asks whether you can adjust to other work that exists in significant numbers in the national economy. The agency weighs your RFC alongside three vocational factors, age, education, and transferable job skills, using a framework called the Medical-Vocational Guidelines, often shortened to the Grid rules. 12eCFR. 20 CFR Part 404 Subpart P – Vocational Considerations
Age matters a lot at this step. The Grid rules divide claimants into categories:
- Younger individual (age 18–49): generally expected to adapt to new work more easily. Those between 45 and 49 receive slightly more favorable treatment than younger claimants.
- Closely approaching advanced age (50–54): age starts to weigh more heavily in the decision.
- Advanced age (55 and older): the most favorable treatment. Someone 55 or older with limited education and no transferable skills may be found disabled even if they can physically perform some sedentary work.
These categories come from the Medical-Vocational Guidelines themselves. 13Social Security Administration. Appendix 2 to Subpart P of Part 404 – Medical-Vocational Guidelines When the Grid rules do not neatly apply, for example when someone has both physical and mental limitations, a vocational expert may testify about whether specific jobs exist in the national economy that a person with those exact restrictions could perform. 14Social Security Administration. Vocational Expert Handbook
What You Have to Prove
You carry the initial burden of proving that you are disabled, and the evidence in your file must be detailed enough for the agency to evaluate every step of the process. 15eCFR. 20 CFR 404.1512 – Responsibility for Evidence The duty is ongoing. If you learn about new evidence at any point during the process, you are expected to submit it.
Two categories of evidence do most of the work. Your medical records anchor the entire claim, and you will sign Form SSA-827 to authorize the agency to request them directly from your doctors, hospitals, and other providers. 16Social Security Administration. Information on Form SSA-827 Records should include objective findings such as imaging studies, lab results, and psychological testing, not just subjective symptom reports. Bring a full list of medications, dosages, and side effects that affect your daily functioning.
Your work history matters almost as much, because it drives Step 4 and part of Step 5. You will need to describe every job you held during the 15 years before your disability began, including duties and physical demands. 11Social Security Administration. Code of Federal Regulations 404.1560 – When We Will Consider Your Vocational Background Overstating or understating how physically demanding a former job actually was can push the agency to a wrong conclusion about whether you can go back to it.
Who Actually Reviews Your Claim
Once you file, the local Social Security field office forwards your case to a state-level agency called Disability Determination Services. DDS is fully funded by the federal government and staffed by trained examiners and medical consultants who apply the five-step framework. 17Social Security Administration. Disability Determination Process
If DDS cannot gather enough medical evidence from your own providers to reach a decision, the agency may arrange a consultative examination at no cost to you. That is an exam with a physician the agency selects to fill specific gaps, such as a current assessment of your functional limitations. 17Social Security Administration. Disability Determination Process The initial decision typically takes six to eight months from the date you file. 18Social Security Administration. How Long Does It Take to Get a Decision After I Apply for Disability When the review is done, you receive a written notice explaining the findings and your right to appeal.
If Your Claim Is Denied
A denial at any stage triggers a 60-day window to file an appeal in writing. The agency assumes you received the notice five days after the date on the letter. 19Social Security Administration. Your Right to Question the Decision Made on Your Claim There are four levels:
- Reconsideration: a new reviewer, someone who was not involved in the original decision, examines your entire file, including any new evidence you submit.
- Hearing before an administrative law judge: if reconsideration is denied, you can request a hearing, typically conducted in person or by video, where you can present witnesses and testimony. The agency’s target for processing hearing decisions in fiscal year 2026 is 270 days.20Social Security Administration. Annual Performance Plan FYs 2025-2026
- Appeals Council review: if you disagree with the judge’s decision, you can ask the Appeals Council to review it. The council may grant, deny, or dismiss your request.
- Federal court: if the Appeals Council denies your request or you disagree with its decision, you can file a civil action in a U.S. District Court.
The 60-day deadline applies at every level. 21Social Security Administration. Understanding Supplemental Security Income Appeals Process Missing it can cost you the right to challenge the decision, so track the date on the notice carefully.