Federal employees have their own disability system separate from Social Security
If you work for the federal government, you do not receive Social Security Disability Insurance (SSDI) when you become unable to work. Instead, you are covered by the Federal Employees Retirement System (FERS) or the Civil Service Retirement System (CSRS), depending on when you were hired. These systems have their own disability programs with different rules, payment amounts, and medical standards than SSDI.
The key difference: federal disability is tied to your specific job and your years of service, not to a national standard of disability. Your payment amount depends on your salary history and tenure, not on a formula that applies to all workers. This means two federal employees with the same medical condition might receive very different amounts.
You cannot receive both federal disability benefits and SSDI at the same time. If you are approved for one, the other is reduced or stopped. Understanding which system covers you and how much you might receive requires knowing your hire date and employment status.
Key Takeaways
- Federal employees are covered by FERS or CSRS disability programs, not by Social Security, and the two systems cannot pay you simultaneously.
- Your federal disability payment is based on your salary and years of service, so the amount varies widely depending on your career history.
- You must file a claim with the Office of Personnel Management (OPM), not with Social Security, and the medical review process is separate from SSDI's.
- If you are approved for federal disability, any future SSDI payment will be reduced by the amount OPM pays you.
- Part-time federal employees, contractors, and employees of the legislative or judicial branches may have different coverage or no federal disability protection at all.
FERS disability versus CSRS disability: which system covers you
Your hire date determines which system you belong to. If you were hired before January 1, 1984, you are almost certainly under CSRS. If you were hired on or after that date, you are under FERS. A small number of employees hired between 1984 and 1987 had the option to switch; if you are unsure, your agency's human resources office can confirm your system in one call.
FERS and CSRS have different disability rules and payment structures. FERS disability is generally lower but includes a survivor benefit for your family. CSRS disability is typically higher but does not include automatic survivor coverage. Both require you to have worked for the federal government for a minimum period—usually at least 18 months—before you can file a claim.
If you move between federal agencies, your years of service add up across all your federal jobs. Breaks in service (time when you were not a federal employee) usually do not count toward the service requirement, though there are narrow exceptions for military service and certain other gaps.
How federal disability payments are calculated
Federal disability does not use the same payment formula as SSDI. Instead, OPM calculates your benefit based on your high-3 average salary—the average of your three highest-paid years in federal service—and your years of creditable service. The exact formula depends on whether you are under FERS or CSRS.
Under FERS, your disability payment is typically calculated as 60 percent of your high-3 average, with a minimum of 40 percent of your high-3 average if you have fewer than 20 years of service. Under CSRS, the formula is generally 40 percent of your high-3 average plus 1 percent for each year of service over 20 years. This means a CSRS employee with 30 years of service would receive roughly 50 percent of their high-3 average.
Because the payment is tied to your actual salary, not to a national benefit rate, two federal employees with identical disabilities can receive very different amounts. A senior manager earning $150,000 will receive a much larger payment than a clerk earning $40,000, even if both are unable to work for the same reason.
The medical review process for federal disability
OPM does not use the same medical standards as the Social Security Administration. OPM asks whether you can perform the duties of your current federal job, not whether you can perform any job in the national economy. This is a narrower standard in your favor—you may be approved for federal disability even if you could theoretically do other work.
You must submit medical evidence from your own doctors, and OPM may request additional examinations at government expense. The process typically takes three to six months, though complex cases can take longer. OPM will ask for your medical records, a detailed description of your condition, and statements from your treating physicians about your functional limitations.
If OPM denies your claim, you have the right to request reconsideration and, if denied again, to appeal to the Merit Systems Protection Board (MSPB). The appeal process is separate from Social Security's appeals system and involves different procedures and timelines.
What happens to your federal disability if you later receive SSDI
If you are receiving federal disability and then become approved for SSDI, your federal payment will be reduced. OPM will subtract your SSDI amount from your federal disability payment, so your total income from both programs combined will not exceed what you were receiving from federal disability alone.
This offset works in the other direction too: if you receive SSDI first and later file for federal disability, OPM will calculate your federal payment and then reduce it by the SSDI amount you are already getting. The result is that you receive one payment or the other, not both in full.
You must report any SSDI approval to OPM when ready. Failing to do so can result in overpayment, which OPM will recover from your future payments or through other collection methods.
Federal employees who may not have disability coverage
Not all people who work for the federal government are covered by FERS or CSRS disability. Part-time employees may have limited or no coverage depending on their hours and tenure. Contractors and temporary employees are not covered by either system. Employees of Congress and the federal courts are covered by different retirement systems with their own disability rules.
If you work for a federal agency but are unsure whether you have disability coverage, contact your agency's benefits office or OPM directly. OPM maintains a list of covered positions and can tell you whether your job qualifies. Some employees discover too late that they have no federal disability protection and must rely on SSDI or private disability insurance instead.
Military service members and veterans have separate disability systems entirely. The Department of Veterans Affairs (VA) provides disability compensation for service-connected conditions, which operates independently of both SSDI and federal employee disability.
How to file a federal disability claim
You file a federal disability claim with the Office of Personnel Management, not with Social Security. Your agency's human resources office can provide you with the process form (SF 3112 for FERS or SF 2801 for CSRS) and instructions. You can also read the forms from OPM's website or request them by phone.
The process asks for your medical history, current symptoms, treatment you have received, and how your condition prevents you from doing your job. You must include supporting medical documentation—office visit notes, test results, imaging reports, and letters from your doctors describing your limitations. OPM will contact your physicians directly to request additional information if needed.
You can file while you are still working or after you have already stopped. Some federal employees file while on sick leave or medical leave; others wait until they have separated from the agency. The timing affects your payment start date and the amount you receive, so it is worth discussing with your agency's benefits office before you file.
Frequently Asked Questions
Can I receive federal disability and SSDI at the same time?
No. If you receive both, OPM will reduce your federal payment by the amount of your SSDI benefit. You effectively receive one payment or the other, not both in full. You must report any SSDI approval to OPM when ready to avoid overpayment.
What is the difference between federal disability and workers' compensation?
Federal disability covers any condition that prevents you from doing your job, regardless of cause. Workers' compensation covers only injuries or illnesses that arose from your federal employment. You may be able to receive both if your condition qualifies under both programs, though the rules vary by agency.
If I am denied federal disability, can I file for SSDI instead?
Yes. A denial from OPM does not affect your right to file with Social Security. The two systems use different medical standards, so you could be denied by one and approved by the other. However, if you are later approved for SSDI, your federal payment (if you receive one) will be reduced by that amount.
How long does it take to receive my first federal disability payment?
OPM typically takes three to six months to make a decision after you file. If approved, your first payment usually arrives within one to two months of the approval decision. If you are denied and appeal, the appeal process can add several more months.
Do I lose my federal health insurance if I go on federal disability?
No. You can continue your federal employee health insurance (FEHB) while receiving federal disability benefits. You will need to pay your share of the premium, which is deducted from your disability payment. Your agency's benefits office can explain your coverage options.