How Does Federal Disability Retirement Work?

Federal disability retirement works by paying a monthly annuity to a FERS or CSRS employee whose medical condition keeps them from performing their job, provided they meet a service minimum, apply on time, and their agency cannot accommodate or reassign them. The Office of Personnel Management runs the program, decides claims, and continues to check on recipients after approval. Benefit amounts, tax treatment, and ongoing requirements differ between the two retirement systems and change over time, so understanding how federal disability retirement works means understanding it in phases: qualifying, applying, getting paid, and keeping the benefit.

Who Qualifies

Two things have to be true at once. You need enough federal service, and you need a medical condition that stops you from doing your job.

Under FERS, the service minimum is 18 months of creditable civilian service.¹ Under CSRS, it’s five years.² In both systems, OPM has to find that your condition prevents useful and efficient service in your position and that it’s expected to last at least a year from the date you file.³

Your agency also has to certify two things before OPM will approve a claim: that it cannot reasonably accommodate your condition in your current job, and that no vacant position at the same grade or pay in your commuting area exists that you could fill.⁴ The program is treated as a last resort after internal placement options run out.

The One-Year Filing Deadline

You have to file either before you separate from federal service or within one year after separation. Miss that window and eligibility is gone.⁵ The same rule applies under CSRS.² OPM can waive the deadline only if you were mentally incompetent at the time of separation or within a year after, and even then the application has to come in within a year of regaining competency or having a fiduciary appointed. If you’re unsure whether to apply, file before separating and let OPM decide.

What You Have to File

The application runs on two main forms: Standard Form 3107, the Application for Immediate Retirement, and Standard Form 3112, the disability documentation packet.⁶ SF 3112 collects your own statement of disability, your supervisor’s statement on your performance and limitations, your physician’s clinical statement, and your agency’s certification that accommodation and reassignment failed.

The physician’s statement is where most applications succeed or fail. OPM wants clinical findings, lab work, imaging, and a diagnosis. More importantly, it wants your doctor to draw a direct line between the medical condition and the specific job duties you can no longer perform.³ A letter that says the patient is disabled without tying the condition to the position description will almost certainly get denied.

If you’re under FERS, you must also apply for Social Security disability benefits.⁴ That’s because OPM offsets your FERS annuity against any Social Security disability payments you receive. You don’t have to be approved by SSA first. You do have to show you applied.

Where the Application Goes and What OPM Does With It

If you’re still on the payroll or fewer than 31 days out from separation, the package goes through your agency’s HR office. If more than 31 days have passed since separation, send it straight to OPM.³

OPM assigns a retirement claim number (a CSA number) and begins interim payments if you qualify for them.⁷ Specialists then compare your medical documentation to your position description and the legal standards. If the record isn’t sufficient, OPM can order an independent medical examination at government expense.³

Processing usually runs six months to a year. Some claims resolve in three months, others take longer.

How the Annuity Is Calculated

The formula depends on your system, and under FERS it changes after the first year.

FERS

For the first 12 months you receive 60% of your high-3 average salary, meaning the highest average basic pay you earned over any three consecutive years of service. After that, the rate drops to 40% of your high-3.⁸

If you also collect Social Security disability, OPM reduces the FERS annuity by an offset. During the first 12 months, the offset equals 100% of the SSDI benefit. After the first year, the offset drops to 60% of the SSDI amount.⁹ In either period, if your earned annuity computed on actual service would be higher than the disability figure, you get the earned annuity instead.⁸

CSRS

CSRS disability retirees receive either their regular earned annuity or a guaranteed minimum, whichever is larger. The guaranteed minimum equals the smaller of 40% of your high-3 or the annuity you would have earned if service had continued to age 60.¹⁰ The guarantee only applies if you’re under 60 at retirement and your earned annuity falls below it.

What Happens at Age 62

When a FERS disability retiree turns 62, OPM recalculates the annuity as if you had worked continuously from your disability retirement date to age 62. Actual service plus time on the disability rolls gets multiplied by the standard 1.1% FERS accrual rate and applied to your high-3 at the time of disability, adjusted upward for all intervening FERS cost-of-living increases.⁸ For most people the recalculated amount lands near what they were already receiving.

Cost-of-Living Adjustments

FERS disability retirees get no COLA during the first year at the 60% rate. Once you move to the 40% rate, COLAs begin applying to both the annuity and the SSDI offset.¹¹ This is an exception to the general FERS rule that retirees under 62 don’t get COLAs.

Keeping Health and Life Insurance

You can carry FEHB coverage into retirement if you were enrolled for the five years of service immediately before retirement, or for all service since your first opportunity to enroll if that was less than five years.¹² If you meet that requirement and OPM approves the claim, your agency processes FEHB continuation the same way it would for a regular retirement.¹³

FEGLI uses the same five-year rule, without exception. If you haven’t carried FEGLI for the five years immediately before retirement, or for all available service if less than five, you can’t continue it.¹³

How the Payments Are Taxed

Until you reach minimum retirement age, disability annuity payments are taxed as wages, not as pension income. Minimum retirement age falls between 55 and 57 for most current federal employees depending on birth year.¹⁴ During that wage-tax phase you can’t begin recovering your employee contributions tax-free the way a standard retiree can.¹⁵

Once you reach minimum retirement age, OPM treats the payments as a regular retirement annuity. A portion of each check then reflects a tax-free return of your own contributions, and the rest is taxable as pension income.¹⁶

If Your Injury Was On the Job

If the disabling condition came from a workplace injury, you may qualify for benefits under both the Federal Employees’ Compensation Act, run by the Department of Labor, and OPM disability retirement. You generally cannot collect both at the same time. Federal law requires an election within one year of the injury, and the election is typically irrevocable.¹⁷

There’s one exception. Scheduled awards for permanent impairment of a specific body part, like partial loss of use of an arm or leg, can be received alongside OPM disability retirement.¹⁸ FECA pays a percentage of current salary tax-free, so it often wins in the short term. It also has no automatic survivor benefit and can end if you’re found able to work, so the long-term picture sometimes favors disability retirement.

What Keeps the Benefit in Force

Approval isn’t the end. OPM uses two mechanisms to check whether payments should continue: medical review and an income test.

Medical Re-Evaluations

OPM conducts a medical exam at the end of the first year and annually afterward, unless your condition is determined to be permanent. Annual reviews continue until you turn 60. After 60, OPM only re-evaluates your medical condition at your own request.¹⁹ If a review finds you’ve recovered, OPM can terminate the annuity.¹⁸

The 80% Earnings Test

If you return to work in any capacity before age 60 and earn at least 80% of the current pay rate for your former federal position in any calendar year, OPM treats your earning capacity as restored. The annuity then terminates 180 days after the end of that calendar year.²⁰ The test covers wages from any employment and self-employment income, not just private-sector work.

You have to report annual earnings to OPM, which you can do through Retirement Services Online.²¹ If benefits stop because you crossed the 80% line, they can be restored only if the disability recurs and earnings drop back below the threshold.¹⁸

If OPM Denies the Claim

You have 30 calendar days from the date of the initial decision to request reconsideration. The request has to be in writing and explain the basis for your disagreement, and it should include additional medical evidence addressing the reason for denial.²² OPM may extend the deadline if you weren’t notified of the time limit or if circumstances beyond your control prevented timely filing.

If reconsideration also results in a denial, you can appeal to the Merit Systems Protection Board within 30 days of receiving OPM’s final decision, filing with the MSPB regional or field office that serves where you live.²³ Most denials rest on insufficient medical documentation rather than a service shortfall, so the strongest move at reconsideration is usually a more detailed physician’s statement that explicitly ties the diagnosis to your inability to perform your specific job duties.

1
Office of the Law Revision Counsel. 5 USC 8451 – Disability Retirement
2
Office of the Law Revision Counsel. 5 USC 8337 – Disability Retirement
3
OPM.gov. Chapter 60 – Disability Retirement
4
OPM.gov. Information About Disability Retirement (FERS)
5
Office of the Law Revision Counsel. 5 USC 8453 – Application
6
Office of Personnel Management. Documentation in Support of Disability Retirement Application
7
U.S. Office of Personnel Management. Retirement Quick Guide
8
U.S. Office of Personnel Management. Computation – FERS Information
9
Office of the Law Revision Counsel. 5 USC 8452 – Computation of Disability Annuity
10
U.S. Office of Personnel Management. Computation – CSRS Information
11
OPM.gov. Chapter 2 – Cost of Living Adjustments
12
U.S. Office of Personnel Management. FEHB Eligibility and Enrollment
13
U.S. Office of Personnel Management. I’m Retiring on Disability
14
U.S. Office of Personnel Management. Eligibility – FERS Information
15
U.S. Office of Personnel Management. Learn More About Taxes and Federal Retirement
16
Internal Revenue Service. Tax Guide to U.S. Civil Service Retirement Benefits
17
U.S. Department of Labor. Federal Employees’ Compensation Act
18
U.S. Office of Personnel Management. FAQs and Answers About Disability Benefits and Federal Retirement
19
eCFR. Part 844 Federal Employees Retirement System – Disability Retirement
20
Office of the Law Revision Counsel. 5 USC 8455 – Recovery; Restoration of Earning Capacity
21
U.S. Office of Personnel Management. Disability Earnings Report – FAQs and Answers
22
OPM.gov. Chapter 3 – Reconsideration and Appeal
23
U.S. Merit Systems Protection Board. Appellant Questions and Answers