There are a few reasons why you may not be eligible for Social Security Disability Insurance (SSDI). Typically, these reasons revolve around your ability to work and earn an income. If you are able to work, and your income is above the threshold of eligibility for SSDI, your claim for disability benefits will be denied. Furthermore, if the severity of your medical condition (a.k.a., your disability) does not get any worse, it is also unlikely that you will win an appeal after you have received a denial letter for disability benefits.
1. You are working