When the Social Security Administration (SSA) evaluates an SSDI claim — or reviews an existing one — employment history plays a central role. An employment review in the SSDI context isn't a single standardized test. It's a structured analysis of your work record that touches multiple points in the eligibility process, from your initial application to ongoing benefit reviews after approval.
Understanding what SSA looks at, and why, helps clarify why two people with similar medical conditions can end up with very different outcomes.
SSDI — Social Security Disability Insurance — is an earned benefit, not a needs-based program. That distinction shapes everything. To receive SSDI, a worker must have paid Social Security taxes over a sufficient period and earned enough work credits to be insured at the time their disability begins.
In 2024, one work credit equals $1,730 in covered earnings. Most applicants need 40 credits total, with 20 of those earned in the 10 years before the disabling condition began — though younger workers may qualify with fewer credits. This is called being "insured for disability." If the credits aren't there, SSDI isn't available regardless of medical severity.
This is the first employment review: confirming insured status before anything else proceeds.
Beyond work credits, SSA uses an employment threshold called Substantial Gainful Activity (SGA) to assess whether a claimant is currently working at a level that disqualifies them from disability benefits.
In 2024, the SGA threshold is $1,550 per month for non-blind individuals (and $2,590 for those who are statutorily blind). These figures adjust annually.
If you're earning above SGA when you apply, SSA will generally deny the claim at step one of the five-step sequential evaluation — before even reviewing your medical evidence. If you're earning below SGA or not working at all, the process continues.
SGA doesn't just affect the initial application. It becomes relevant again during the Trial Work Period (TWP) and the Extended Period of Eligibility (EPE) for recipients who attempt to return to work after approval.
SSA's full eligibility decision follows a five-step process. Employment-related reviews appear at multiple steps:
| Step | Question SSA Asks | Employment Connection |
|---|---|---|
| 1 | Are you engaging in SGA? | Direct — current work earnings reviewed |
| 2 | Is your condition severe? | Medical, but work limitations factor in |
| 3 | Does your condition meet a listing? | Medical-focused |
| 4 | Can you perform your past relevant work? | Direct — employment history reviewed |
| 5 | Can you perform any other work? | Skills, education, age, work history reviewed |
Steps 4 and 5 are where employment reviews become most detailed. SSA examines your past relevant work — jobs held in the last 15 years that were performed at SGA level and lasted long enough to learn the job. A vocational analyst or the adjudicator will look at what those jobs required physically and mentally, then compare those demands against your current Residual Functional Capacity (RFC).
RFC is SSA's assessment of the most you can still do despite your impairment — how much you can lift, stand, concentrate, interact with others, and so on. If your RFC rules out your past work, SSA moves to Step 5 and asks whether any other work in the national economy exists that you could perform given your RFC, age, education, and transferable skills.
At Step 4, SSA isn't just confirming that a job existed. The review includes:
Claimants often complete a Work History Report (Form SSA-3369) describing their past jobs in detail. How thoroughly and accurately this form is completed affects how Step 4 plays out.
After approval, SSA periodically conducts a Continuing Disability Review (CDR) to verify that recipients still qualify. During a CDR, SSA reviews:
If a recipient is working and earning above SGA outside of a designated work incentive period, benefits may be suspended or terminated. The Trial Work Period (nine months of work, not necessarily consecutive, within a 60-month window) allows recipients to test their ability to work without immediately losing benefits. The Extended Period of Eligibility follows, offering a 36-month window during which benefits can be reinstated in any month earnings fall below SGA.
The employment review portion of an SSDI case doesn't produce the same result for everyone:
The same medical condition, the same RFC, even the same job title — outcomes shift based on age, education, and the specific demands of how a job was actually performed.
The employment side of SSDI eligibility is highly fact-specific. What your work history looks like on paper, how your past jobs are categorized, and what skills SSA determines you carry forward are all variables that interact with your medical record in ways that can't be assessed in general terms. Your file is the only place where those answers live.
