Federal Disability Retirement: A Complete Guide for FERS Employees

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Federal disability retirement is one of the most important and most misunderstood benefits available to federal employees. Designed for FERS-covered employees who can no longer perform their job duties due to illness or injury, it provides immediate retirement income and continued access to federal benefits even before reaching standard retirement age. Unlike Social Security Disability (SSDI), which has stricter "unable to work at all" requirements, federal disability retirement only requires that you can't perform the duties of your current federal position.

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This guide covers exactly what federal disability retirement is, who qualifies, what conditions count, how the application works, what you'll receive, and the practical realities of navigating a process where most first-time applicants are denied. If you're a federal employee facing a serious medical condition that's affecting your ability to work, this is your starting point.

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What Is Federal Disability Retirement?

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Federal disability retirement (sometimes called FERS disability retirement or FDR) is a specific category of FERS retirement available to federal employees who become disabled before reaching standard retirement age. It allows you to retire on a reduced annuity, retain access to federal health benefits, and bridge to standard retirement at age 62  all without meeting the age and service requirements of normal FERS retirement.

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Three things to know upfront:

• It's available to FERS-covered federal employees with at least 18 months of federal civilian service.

• You don't need to be totally disabled — only unable to perform the essential functions of your specific federal position.

• It transitions to regular FERS retirement at age 62. The disability annuity calculation changes when you reach 62, switching to a standard formula based on your years of service and High-3 average salary.

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FEDERAL DISABILITY RETIREMENT vs SOCIAL SECURITY DISABILITY (SSDI)

These are two separate programs with different rules:

Federal Disability Retirement (FDR) — administered by OPM, requires you can't do YOUR specific job, 18 months minimum service, approval rate higher than SSDI.

Social Security Disability (SSDI) — administered by SSA, requires you can't do ANY substantial work, no specific service requirement (but you need enough work credits), much stricter approval standard.

You must apply for both if you want federal disability retirement — but you don't need SSDI to be approved to receive FDR.

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Who Qualifies for Federal Disability Retirement?

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To qualify, you must meet all five of the following criteria. Each is verified through your application and supporting medical documentation.

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1. Minimum 18 months of federal civilian service

You must have completed at least 18 months of creditable federal civilian service before applying. This means you were a permanent federal employee (not a contractor, temporary employee, or peripheral team member) for at least 18 months total.

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Important: this is significantly less than the service required for standard FERS retirement. Federal employees with relatively short careers can still qualify for disability retirement if the medical condition arose during their federal employment.

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2. The disability is expected to last 12 months or longer

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Your medical condition must be expected to last at least 12 months or result in death. Conditions expected to improve within 12 months even severe ones generally do not qualify.

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This is where strong medical documentation matters most. Your treating physician's prognosis, in writing, with specific reference to the 12-month duration, is one of the most important pieces of your application.

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3. The disability prevents you from performing your job duties

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The key standard is whether you can perform the essential functions of your current federal position, with reasonable accommodations. Note this is occupation-specific, not general:

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• Can't perform YOUR specific federal job → may qualify for FDR

• Can perform a similar federal job at the same pay/grade/location → may NOT qualify (agency may reassign you)

• Can't perform any work at all → may also qualify for SSDI, but that's a separate, harder application

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4. Your agency cannot accommodate the disability

Federal agencies must attempt to reasonably accommodate disabilities under federal law. To qualify for disability retirement, your agency must either:

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• Document that accommodation is not possible, OR

• Have attempted accommodation that proved insufficient, OR

• Have offered reassignment to a comparable position that you couldn't perform either

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This requirement is often overlooked. If your agency could accommodate your condition (modified duties, schedule flexibility, equipment adaptations) and hasn't tried, your FDR application may be denied on this basis alone.

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5. You applied for Social Security Disability (SSDI)

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OPM requires that you submit an SSDI application before they approve your FDR. You don't need to be approved for SSDI, you only need to have applied. Many federal employees receive FDR approval while their SSDI application is still pending or even after SSDI denial.

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What Medical Conditions Qualify for Federal Disability Retirement?

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There is no fixed list of qualifying conditions. Any condition that prevents you from performing your federal job duties for at least 12 months can potentially qualify. The question isn't the diagnosis, it's the documented impact on your work. That said, certain conditions are commonly approved when properly documented:

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Musculoskeletal conditions

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• Arthritis (rheumatoid, osteoarthritis, psoriatic)

• Back and spinal injuries (herniated discs, spinal stenosis, degenerative disc disease)

• Joint disorders requiring surgery or replacement

• Carpal tunnel syndrome and repetitive strain injuries

• Fibromyalgia and chronic pain conditions

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Cardiovascular conditions

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• Heart attack and post-heart-attack recovery limitations

• Heart failure (congestive heart failure)

• Stroke and post-stroke deficits

• Severe arrhythmias and cardiomyopathy

• Congenital heart conditions

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Neurological disorders

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• Multiple sclerosis (MS)

• Parkinson's disease

• Epilepsy with poor seizure control

• Traumatic brain injury (TBI)

• Spinal cord injuries

• Severe migraine disorders

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Mental health conditions

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• Severe depression (major depressive disorder)

• Bipolar disorder

• Post-traumatic stress disorder (PTSD) particularly common among veterans and federal LEOs

• Severe anxiety disorders

• Schizophrenia and other psychotic disorders

• Cognitive impairments from various causes

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Other commonly-approved conditions

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• Cancer (during active treatment or with ongoing functional limitations)

• Autoimmune diseases (lupus, severe Crohn's disease, ulcerative colitis)

• Severe respiratory conditions (COPD, severe asthma, pulmonary fibrosis)

• Diabetes with significant complications

• Kidney disease requiring dialysis

• Major sensory impairments (severe vision or hearing loss)

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THE DIAGNOSIS ISN'T THE STANDARD  DOCUMENTED FUNCTIONAL LIMITATIONS ARE

Having a serious diagnosis is not enough by itself. What matters is whether qualified medical professionals can document, in detail, that the condition prevents you from performing the specific essential functions of your federal position.

Two federal employees with the same diagnosis can have very different outcomes: one approved, one denied based entirely on the quality and specificity of their medical documentation.

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How Much Does Federal Disability Retirement Pay?

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The amount you receive depends on your age at retirement, years of service, and salary. The calculation uses different formulas before and after age 62.

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First-year benefit

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For the first 12 months of disability retirement, you receive 60% of your High-3 average salary, reduced by any Social Security Disability (SSDI) benefits you receive (if approved). This is the highest payment period.

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Years 2 through age 62

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After the first year and until age 62, the benefit drops to 40% of your High-3 average salary, reduced by 60% of any SSDI benefits.

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Age 62 and beyond

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At age 62, your disability retirement converts to a standard FERS retirement annuity. The calculation uses the normal FERS pension formula:

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• 1.0% × High-3 × years of service (with service counted as if you had continued working until 62)

• 1.1% × High-3 × years of service if you would have qualified for the enhanced multiplier

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This conversion is one of the most valuable aspects of FDR — your disability years count toward your standard pension calculation.

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Worked example

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Federal employee, age 45, with 12 years of service and a High-3 of $90,000, approved for disability retirement:

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• First year (no SSDI): 60% × $90,000 = $54,000 ($4,500/month)

• Years 2 through 62 (no SSDI): 40% × $90,000 = $36,000 ($3,000/month)

• At age 62 (now with 29 "deemed" years of service): 1.0% × $90,000 × 29 = $26,100/year ($2,175/month) but this would be COLA-adjusted by then

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SSDI INTERACTION REDUCES THE PAYMENT

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If you're approved for both FDR and SSDI, your FDR payment is reduced by 100% of SSDI in year 1, and by 60% of SSDI in years 2 through 62. This is why some federal employees end up with a similar total income whether or not SSDI approves  the two benefits offset each other under the offset rules.

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How to Apply for Federal Disability Retirement

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The application process is paper-heavy, multi-step, and unforgiving of errors. Here's the standard sequence:

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• Gather comprehensive medical documentation. Get detailed reports from all treating physicians describing your condition, prognosis, specific functional limitations, and inability to perform your job duties. This is the single most important step most denials trace back to inadequate medical documentation.

• Request your agency document the accommodation effort. Your agency must complete an SF 3112D (Agency Certification of Reassignment and Accommodation Efforts) documenting why they cannot accommodate or reassign you.

• Apply for Social Security Disability (SSDI). This is required even if you don't expect SSDI approval. Submit through SSA.gov or your local Social Security office.

• Complete the FDR application packet. This includes SF 3112A (Applicant's Statement of Disability), SF 3112B (Supervisor's Statement), SF 3112C (Physician's Statement), and SF 3107 (Application for Immediate Retirement).

• Submit to your agency. Your agency reviews the application, completes their portions, and forwards to OPM.

• OPM reviews the application. Average processing time is 6 to 12 months. OPM may request additional documentation.

• Receive decision letter. If approved, your benefits begin retroactively to your last day of pay. If denied, you have 30 days to request reconsideration.

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How Long Does Federal Disability Retirement Take?

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The total timeline from application to first payment varies but typically:

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• Application preparation: 1–3 months (gathering medical records, completing forms)

• Agency processing: 30–60 days

• OPM review: 6–12 months on average (can be longer for complex cases)

• Appeals (if denied): Add 6–18 months

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During the waiting period, you may receive interim payments based on your regular FERS retirement formula (if you're otherwise eligible). For most federal employees, the financial gap during application processing is one of the hardest practical challenges of pursuing FDR.

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Why Federal Disability Retirement Applications Are Denied

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First-time denials are common by some estimates, 30%+ of FDR applications are initially denied. The most common reasons:

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• Inadequate medical documentation. The physician's statement is too general, doesn't specifically address job duties, or doesn't establish 12-month duration.

• The agency didn't properly document accommodation efforts. The SF 3112D is missing, incomplete, or suggests accommodation could have been provided.

• No SSDI application on file. This is a procedural denial that's easy to fix.

• OPM concludes the employee could perform other duties. The disability doesn't clearly prevent performance of the specific position.

• Discrepancies between applicant statements and medical records. What you say in SF 3112A doesn't align with what's in your medical records.

• Less than 18 months of service. A purely procedural denial.

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DENIALS ARE OFTEN REVERSED ON APPEAL

Don't view a first-time denial as final. A substantial number of denied applications are approved on reconsideration or further appeal, especially when:

• Additional medical documentation is submitted

• An experienced federal employment attorney or FDR specialist reviews the application

• Specific OPM concerns are addressed with targeted evidence

The 30-day deadline to request reconsideration after denial is strict. Don't miss it.

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Other Benefits You Keep With Federal Disability Retirement

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FDR retirees retain access to other federal benefits, with some adjustments:

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FEHB (Federal Employees Health Benefits)

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You can carry FEHB into retirement if you've been enrolled for the 5 years immediately before disability retirement (the standard 5-year rule applies the same way as regular retirement). 

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FEGLI (Federal Employees' Group Life Insurance)

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A similar 5-year continuous enrollment rule applies. See our guide to FEGLI after retirement for the reduction options you'll need to choose at retirement.

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FSAFEDS

Flexible spending accounts end at retirement you cannot carry FSAFEDS into FDR. Plan accordingly with your final-year medical expenses.

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TSP (Thrift Savings Plan)

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Your TSP balance remains yours. You can leave it in TSP or roll it over. Disability retirees under age 59½ can withdraw from TSP without the 10% early withdrawal penalty under the disability exception.

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FERS Supplement (Special Retirement Supplement)

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FDR retirees do NOT receive the FERS supplement. This is an important distinction different income provisions apply through age 62 for disability retirees.

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Is Federal Disability Retirement Taxable?

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Yes, but the rules differ depending on your age and circumstances:

• Before age MRA (minimum retirement age): Disability retirement is treated as wages for FICA tax purposes meaning Social Security and Medicare taxes may apply.

• At and after MRA: Disability retirement is treated as ordinary retirement income and follows standard FERS pension tax rules.

• State tax: Varies by state. Some states fully exempt federal pensions (and disability retirement); others tax it as ordinary income.

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The federal–FICA treatment in early disability retirement is a meaningful consideration for budgeting.

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Common Challenges in the FDR Process

• Gathering comprehensive medical documentation. Treating physicians often write general notes, not the specific functional limitation language OPM needs.

• Coordinating with SSDI. Two separate applications, two different agencies, two different standards. You need to apply for SSDI but can't wait for SSDI approval to get FDR.

• Financial bridge during processing. 6–12 months of OPM review with no income from your federal salary (you've usually exhausted leave by application time).

• Navigating denials and appeals. The 30-day reconsideration window is strict. Many federal employees benefit from professional representation at this stage.

• Limited HR guidance. Many agency HR offices have limited FDR expertise and may not provide the specific documentation guidance applicants need.

• Subjective conditions. Mental health and chronic pain conditions can be harder to document with the specificity OPM expects.

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CONSIDERING FEDERAL DISABILITY RETIREMENT?

FDR is one of the most consequential decisions in federal employment affecting your income, healthcare, and retirement trajectory for decades. Federal Pension Advisors helps federal employees evaluate disability retirement scenarios, project benefits, and coordinate FDR with SSDI, TSP, and long-term financial planning.

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Schedule a free disability retirement review we'll help you understand your options before you start the application process. You can also use our federal retirement calculator to project your specific scenario.

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Final Thoughts

Federal disability retirement is a vital benefit for federal employees facing serious medical conditions but it's also a complex, paperwork-heavy process where most first-time applications are denied. The standard is occupation-specific (can you do YOUR federal job), the medical documentation requirements are demanding, and the procedural requirements (especially the SSDI application and agency accommodation documentation) trip up many applicants.

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If you're a federal employee considering disability retirement, the most valuable preparation is gathering exceptional medical documentation detailed, specific, and tied directly to the essential functions of your current position. Most successful FDR applications share this characteristic. Most denied applications have medical documentation that's technically accurate but too general to satisfy OPM's standard.

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Given the financial stakes and complexity, federal employees with serious medical conditions should consider professional guidance  from a financial planner who understands FERS, an attorney experienced in federal disability law, or a specialized FDR advocate. The cost of professional help is often a fraction of the lifetime value of a successful application.

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Frequently Asked Questions

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1. What is federal disability retirement?

Federal disability retirement (FDR) is a benefit under FERS that allows federal civilian employees who become unable to perform their job duties due to a medical condition to retire with a reduced annuity, retain federal benefits, and bridge to standard retirement at age 62. It's administered by OPM and requires at least 18 months of federal civilian service plus medical documentation showing the disability is expected to last 12 months or longer.

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2. What conditions qualify for federal disability retirement?

There is no fixed list of qualifying conditions. Any medical condition physical or mental that prevents you from performing your federal job duties for at least 12 months can potentially qualify. Commonly approved conditions include musculoskeletal disorders, cardiovascular disease, neurological conditions (MS, Parkinson's, epilepsy), severe mental health conditions (PTSD, severe depression, bipolar), autoimmune diseases, cancer, and major sensory impairments. What matters most is documented functional limitation, not the diagnosis itself.

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3. How long does federal disability retirement take?

From application to first payment, expect 6 to 12 months on average, sometimes longer. Agency processing takes 30–60 days; OPM review averages 6–12 months. If your application is initially denied and requires appeal, add another 6–18 months. Many federal employees experience a financial gap during this processing time.

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4. How much does federal disability retirement pay?

In the first year: 60% of your High-3 average salary, reduced by any approved SSDI benefits. Years 2 through age 62: 40% of your High-3, reduced by 60% of SSDI benefits. At age 62, your disability retirement converts to a standard FERS retirement based on your years of service (including disability years) and High-3.

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5. Do you need to apply for Social Security Disability with federal disability retirement?

Yes. OPM requires that you apply for Social Security Disability (SSDI) as part of your FDR application. However, you do NOT need to be approved for SSDI to receive FDR; the requirement is only that you've applied.

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6. What is the minimum service requirement for federal disability retirement?

18 months of federal civilian service. This is significantly less than the service requirement for standard FERS retirement. The 18 months must be creditable federal civilian service, not contract or temporary work.

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7. Can mental health conditions qualify for federal disability retirement?

Yes. Severe depression, bipolar disorder, PTSD, severe anxiety disorders, schizophrenia, and other psychiatric conditions can all qualify when properly documented. Mental health conditions can be harder to document with the specificity OPM expects, so strong support from treating mental health professionals (psychiatrists, psychologists) is especially important for these applications.

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8. What happens to federal disability retirement at age 62?

At age 62, your disability retirement converts to a standard FERS retirement annuity. Your years of service are calculated as if you had continued working until 62, and your pension is recalculated using the standard FERS formula (1.0% or 1.1% × High-3 × years of service). This conversion is one of the most valuable features of FDR.

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9. Can I keep FEHB and FEGLI with federal disability retirement?

Yes, if you meet the standard 5-year continuous enrollment requirement immediately before retirement. You can carry FEHB and FEGLI into FDR the same way you would in regular FERS retirement. Verifying your enrollment history with your agency HR before applying gaps in coverage can disqualify you from continuing benefits in retirement.

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10. What if my federal disability retirement application is denied?

You have 30 days from the date of the denial letter to request reconsideration. Many initially denied applications are approved on reconsideration or further appeal particularly when additional medical documentation is submitted or the application is reviewed by a federal employment attorney experienced in FDR. Don't miss the 30-day deadline; it's strict.

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DISCLAIMER

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This article is for informational and educational purposes only. It is not legal, medical, or financial advice. Federal disability retirement involves federal regulations, medical evaluation, and complex coordination with SSDI  outcomes depend heavily on individual circumstances and the quality of medical documentation. Always consult OPM directly, your agency HR office, a qualified federal employment attorney, and a financial planner experienced in federal benefits before pursuing disability retirement.

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