The Basic Path to Filing for SSDI

To file for Social Security Disability Insurance (SSDI), you submit medical evidence and work history to the Social Security Administration (SSA). The SSA does not accept applications in person at local offices anymore — you file online through ssa.gov, by phone at 1-800-772-1213, or by mail. The process takes three to six months on average, though some cases take longer if SSA needs more medical records.

You must have worked long enough under Social Security to have earned sufficient work credits. For someone under 31, you need at least 20 work credits in the last 10 years. For someone 31 or older, the requirement rises with age — at 42, you need 20 credits earned in the last 10 years, but at 62 you need 40 credits total with at least 20 earned in the last 10 years. One work credit equals roughly $1,470 in earnings in 2024, and you can earn a maximum of four credits per year.

Your condition must prevent you from doing substantial work for at least 12 months or result in death. SSA uses a specific definition: you cannot earn more than $1,550 per month (in 2024) while receiving SSDI. This is called "substantial gainful activity," and it changes yearly.

Key Takeaways

  • You file online at ssa.gov, by phone, or by mail — not at a local Social Security office.
  • You must have earned enough work credits through employment, with the exact number depending on your age.
  • Your medical condition must prevent you from working for at least 12 months or be terminal.
  • The SSA will request medical records from your doctors and may schedule a consultative exam if they need more information.
  • Initial decisions typically arrive within three to six months, though appeals can add months or years.

Gathering Medical Evidence Before You File

SSA makes its decision almost entirely on medical records. Before you file, collect recent treatment records from every doctor, therapist, hospital, or clinic that has treated your condition. "Recent" means within the last three months if possible, though SSA will review older records too. Include test results, imaging reports, lab work, and notes from your providers describing your symptoms and how they limit your daily activities.

If you have not seen a doctor in months, schedule an appointment before filing. SSA is skeptical of claims without current medical evidence. If cost is a barrier, community health centers and hospital financial information programs often provide low-cost or free care. Bring a list of your medications, dosages, and side effects to that appointment — SSA considers medication side effects as part of your limitations.

Write down how your condition affects you in concrete terms: how far you can walk, how long you can sit, whether you can lift objects, whether you have pain or fatigue that interrupts your day, and how your condition affects your memory or concentration. Doctors often focus on diagnosis rather than functional limits, so your own detailed description helps SSA understand what you cannot do.

The Online Filing Process

Go to ssa.gov and select "explore for Disability." You will create a my Social Security account if you do not have one. The form asks for your personal information, work history, medical providers, and current symptoms. You do not upload documents during the online process — SSA requests them after you submit.

The form takes 15 to 30 minutes. Be as specific as possible about your work history: job titles, dates employed, and the type of work you did. SSA uses this to determine whether your past work was sedentary, light, medium, or heavy. If you worked in multiple jobs, list each one separately with dates.

After you submit, you receive a confirmation number. Write it down. SSA will contact you by mail within two weeks with a case number and the name of your claims specialist. That specialist will call you to verify information and ask follow-up questions about your condition and work history. Have your medical records and work history available when they call.

What Happens After You File

SSA sends a request for medical records to every provider you listed. Your doctors have about two weeks to respond. If they do not, SSA may send a second request or schedule a consultative exam — a one-time appointment with a doctor SSA pays to evaluate you. You do not choose this doctor, and the exam is usually brief (30 minutes to an hour). Attend it even if you think it is unfair; missing it can result in denial.

While SSA gathers records, your claims specialist may call with questions. They ask about your daily activities, pain or symptoms, medications, and whether you have tried to work since your condition started. Answer honestly and in detail. If you cannot take the call, you can reschedule, but do not ignore it.

SSA then sends your file to a state agency called Disability information Services (DDS). DDS has a doctor and a vocational specialist review your medical evidence and work history. They decide whether your condition meets SSA's definition of disability. This step typically takes one to three months.

Initial Decision and What It Means

SSA mails you a decision letter. If approved, the letter states your monthly benefit amount and your Medicare start date (Medicare begins after 24 months of SSDI). If denied, the letter explains why and tells you how to appeal.

Denials are common on the first process — roughly 65 to 70 percent of initial claims are denied. A denial does not mean you are ineligible; it often means SSA needs more or better medical evidence. Many people are approved on appeal.

If you are approved, SSDI payments begin the month after you have been disabled for five full months (called the "waiting period"). So if SSA determines you became disabled in January, your first payment arrives in July. You also become covered by Medicare after 24 months of SSDI, even if you are under 65.

The Appeal Process If You Are Denied

You have 60 days from the date on your denial letter to appeal. There are four levels of appeal: reconsideration, hearing before an administrative law judge (ALJ), Appeals Council review, and federal court. Most people who appeal go to the hearing stage, where an ALJ reviews your case and new medical evidence you provide.

For reconsideration, SSA reviews your file with a different examiner at DDS. This is the fastest appeal but has the lowest approval rate (about 10 percent). For a hearing, you appear before an ALJ, usually by video or phone. You can bring a representative — a disability lawyer or non-lawyer advocate — who can help present your case. Hearings typically happen 12 to 18 months after you request one, depending on your local hearing office's backlog.

If you hire a lawyer, they work on contingency: they take a percentage of your back pay (the money SSA owes you from the date you became disabled to the date you were approved) if you win, up to 25 percent. You pay nothing upfront. Many disability lawyers are experienced and can significantly improve your chances at a hearing.

Work and Earnings While Your Case Is Pending

You can work while your SSDI case is being decided. If you earn more than $1,550 per month (in 2024), SSA may deny your claim because you are performing substantial gainful activity. However, if you earn less than that amount, you can continue working without affecting your case.

If you are approved and start receiving SSDI, you have a nine-month trial work period during which you can earn any amount without losing benefits. After the trial work period ends, you enter an extended may be able to access period where you can earn up to the substantial gainful activity limit ($1,550 in 2024) and still receive benefits. Earnings above that amount reduce or stop your benefits for that month.

Report all work and earnings to SSA. Failing to report can result in overpayments you must repay, even if the overpayment was SSA's error in calculating your benefits.

Frequently Asked Questions

Can I file for SSDI if I have never worked?

No. SSDI requires work credits earned through employment covered by Social Security. If you have never worked, you may be able to file for Supplemental Security Income (SSI) instead, which is a needs-based program for disabled, blind, or elderly people with limited income and resources. SSI has different rules and does not require work history.

What if my doctor says I am disabled but SSA denies me?

SSA uses its own definition of disability, which is stricter than most doctors' definitions. Your doctor's opinion matters, but SSA also considers your age, education, and past work experience. If SSA thinks you can do other work despite your condition, they may deny you even with a doctor's statement. This is why appeals and additional medical evidence are often necessary.

How much back pay will I receive if I am approved?

Back pay is the amount SSA owes you from the date you became disabled to the date you were approved. The exact amount depends on when SSA determines your disability began and when your case is decided. You receive back pay as a lump sum, usually within two months of approval. If you hired a lawyer, they take their fee from the back pay.

Do I need a lawyer to file for SSDI?

No. You can file and appeal on your own. However, lawyers and non-lawyer representatives improve approval rates, especially at the hearing stage. If you cannot afford a lawyer upfront, many work on contingency and take payment only if you win. Legal aid organizations in your area may also provide free representation.

What happens to my SSDI if I go back to work?

You have a nine-month trial work period where you can earn any amount and keep all your benefits. After that, you enter an extended may be able to access period where you can earn up to $1,550 per month (in 2024) and still receive full benefits. If you earn more, your benefits reduce or stop for that month. If you work and your earnings stay below the limit for nine months, you can stop work and your benefits restart without a new process.