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Social Security Disability Insurance (SSDI)

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SSA's Medical Evidence Requirements
Information about the kinds of medical evidence needed to support an application for disability benefits, including what the Social Security Administration (SSA) means by "acceptable medical sources."
Substantial Gainful Activity (SGA)

If you are receiving SSDI benefits, SGA is used to determine initial eligibility, and to decide if your disability continues after you return to work and complete your Trial Work Period (TWP). The term "substantial gainful activity" is used to describe a level of work activity and earnings. Work is "substantial" if it involves doing significant physical or mental activities, or a combination of both.

When Social Security Disability Benefits Stop

Information on when Social Security Disability Insurance (SSDI) and/or Supplemental Security Income (SSI) benefits are stopped because of a person's medical improvement or work at the Substantial Gainful Activity (SGA) level.

Age Eligibility for Social Security Disability Benefits
Answers the question "What is the earliest age that I can receive Social Security disability benefits?"
Benefit Eligibility Screening Tool (BEST)
This tool screens for eligibility for Medicare, Social Security Disability, Social Security Retirement, Social Security Survivors, Special Veterans and Supplemental Security Income (SSI) benefits.
Disability & Supplemental Security Income (SSI): Qualify & Apply
Describes who qualifies for Social Security and Supplemental Security Income (SSI) disability benefits and how to apply.
Disability Evaluation Under Social Security

Information on the medical criteria used to evaluate Social Security disability claims.

Disability Starter Kits
Provide general information about the disability programs and the Social Security Administration's (SSA) decision-making process that can help take some of the mystery out of applying for disability benefits.
Family Benefits
When you start receiving disability benefits, certain members of your family also may qualify for benefits on your record.
Find Answers to your Questions about Disability Benefits
Frequently asked questions about disability benefits.
Frequently Asked Questions About Social Security Disability Benefits
Get answers to many questions about Social Security disability benefits including how to find out if you are eligible, how to apply and the difference between SSDI and SSI.
Guide For Representative Payees
More than seven million people who get monthly Social Security or Supplemental Security Income (SSI) benefits need help managing their money. This booklet explains the responsibilities of a representative payee, and the importance of knowing what the beneficiary's needs are so you can decide how benefits can best be used for his or her personal care and well-being.
How Do I Apply for Social Security Disability Benefits?

Information on how to apply for disability benefits, including contact information.

How You Earn Credits for Social Security
Information on how to qualify for Social Security (Title II) through working and paying taxes.
Qualifying for Benefits - How Much Work Do I Need?
The page explains how much work is needed to qualify for disability benefits.
Social Security & Disability
Information from the Christopher and Dana Reeve Paralysis Resource Center to help people with disabilities and their family members understand the rules for getting and keeping benefits under the entitlement of Social Security law.
Social Security Disability Planner

Explains the benefits that are available, how to qualify, how to apply for benefits and what happens when your application is approved.

What We Mean by Disability
Information on Social Security's definition of disability.
What You Should Know Before You Apply for Social Security Disability Benefits
Answers to frequently asked questions about the application process for disability benefits including how Social Security decides if an individual is disabled.
Your Continued Eligibility for Benefits
Information on circumstances that may change your continuing eligibility for disability benefits.

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