Alleged Onset Date
Your Alleged Onset Date is the date you say your disability started. It affects when back pay begins if you are approved.
Also known as
Take the next step
Frequently asked questions about Alleged Onset Date
What is Alleged Onset Date?+
Your Alleged Onset Date is the date you say your disability started. It affects when back pay begins if you are approved.
Who qualifies for Alleged Onset Date?+
Adults under full retirement age who have a qualifying medical condition expected to last 12+ months and who have earned enough recent work credits.
How do I apply for Alleged Onset Date?+
Apply online at ssa.gov, by phone at 1-800-772-1213, or in person at your local Social Security office. There's no cost to apply. Official forms and instructions: https://www.ssa.gov/disability/professionals/bluebook/general-info.htm.
Where can I get help?+
Run the SSDI Filing Success Score to check your readiness, then the SSDI Benefit Estimator to size up your monthly payment. Local Social Security field offices can also help you apply at no cost.