How to Apply for Disability Retirement from the Federal Government

Federal employees who can no longer work due to a disabling medical condition have access to a separate disability system — one that runs parallel to, but distinct from, Social Security Disability Insurance (SSDI). Understanding how these programs interact, and where the application process begins, helps you navigate both systems without losing ground in either.

Federal Disability Retirement Is Not the Same as SSDI

This is the first thing to get straight. Federal Disability Retirement — administered through the Office of Personnel Management (OPM) — is a benefit available to federal civilian employees covered under either the Civil Service Retirement System (CSRS) or the Federal Employees Retirement System (FERS). It is based on your federal employment record and your agency's retirement contribution structure.

SSDI, administered by the Social Security Administration (SSA), is a separate federal program funded through payroll taxes. It applies to workers across all industries — including federal employees — who have earned enough work credits and meet SSA's definition of disability.

Most FERS employees are also paying into Social Security, which means they may be eligible to apply for both OPM disability retirement and SSDI simultaneously. CSRS employees generally do not pay into Social Security and typically cannot receive SSDI based on their federal service.

OPM Disability Retirement: How the Application Works

To apply for federal disability retirement through OPM, you must meet several baseline conditions:

• You must have at least 18 months of creditable civilian federal service (under FERS) or 5 years (under CSRS)
• Your disabling condition must be expected to last at least one year
• You must be unable to perform the essential functions of your current position
• Your agency must be unable to accommodate your condition or reassign you to a suitable vacant position

The application is filed using OPM Form SF 3107 (FERS) or SF 2801 (CSRS), along with SF 3112, a set of documentation forms that includes your personal statement, supervisor's statement, and agency certification.

Your agency's human resources office plays a direct role in completing the application — this is not something you submit independently to OPM the way you would file an SSDI claim online.

Medical Documentation Is Central

OPM reviews medical evidence to determine whether your condition prevents you from performing your job's core duties. This typically includes:

• Physician records and treatment history
• Diagnostic results and specialist evaluations
• A written statement from your treating provider explaining functional limitations

OPM does not use SSA's definition of disability. SSA asks whether you can perform any substantial gainful work in the national economy. OPM asks whether you can perform your specific federal position — a meaningfully different standard.

Where SSDI Fits In for Federal Workers 🔍

FERS employees are generally required to apply for SSDI as part of the OPM disability retirement process. This is not optional — OPM offsets FERS disability annuity payments if you are eligible for SSDI benefits.

Under FERS, if you receive both OPM disability retirement and SSDI:

This offset structure makes it important to file for SSDI even if you expect to be denied — OPM requires documented proof that you applied.

To file for SSDI, you can apply online at SSA.gov, by phone, or in person at a local Social Security office. SSA evaluates your work credits, your medical condition against their listing criteria and Residual Functional Capacity (RFC) standards, and whether your condition prevents Substantial Gainful Activity (SGA) — a dollar threshold that adjusts annually.

The Sequence Most Federal Applicants Follow

Step 1: Notify your agency HR office that you intend to apply for disability retirement. They initiate the agency-side paperwork.

Step 2: Gather medical documentation from your treating providers. The strength of this evidence significantly shapes both the OPM and SSA decisions.

Step 3: File for SSDI with SSA. Keep your confirmation and any correspondence — OPM will ask for it.

Step 4: Complete and submit your OPM application through your agency before separation, or within 1 year of separation from federal service.

Step 5: Await OPM's decision, which can take several months. If denied, you have the right to request reconsideration.

SSDI has its own separate review process. An initial decision typically takes 3 to 6 months. If denied, the appeals path runs through reconsideration, an Administrative Law Judge (ALJ) hearing, the Appeals Council, and federal court if necessary.

What Shapes Individual Outcomes ⚖️

No two federal disability retirement cases move through the same way. Outcomes depend on:

• Which retirement system applies — FERS vs. CSRS
• Years of creditable service and your high-3 average salary
• The nature and documentation of your medical condition
• Your agency's response — whether accommodation was offered or refused
• Whether SSDI is approved, denied, or pending at the time OPM decides
• Your age at the time of separation, which affects benefit calculations
• The onset date SSA assigns to your disability, which can affect back pay under both programs

A federal employee with 20 years of service, strong medical records, and a condition that appears in SSA's impairment listings faces a very different process than someone with three years of service and a condition requiring detailed functional documentation.

The rules governing both programs are well established. How they apply to any specific employment record, medical history, and timing is what no general guide can answer for you.