Medical Evidence

Building Your Medical Evidence Package: The Foundation of a Strong Disability Claim

By Emily Hall, FRC℠ · Reviewed October 14, 2026

Reviewed October 14, 2026 against the official sources linked below. General education; OPM determines individual eligibility. Follow current OPM application instructions and the deadlines in your own notices.

Why Medical Evidence Matters

OPM's decision on your disability retirement application is based primarily on the medical evidence you submit. Without clear, comprehensive documentation that connects your medical condition to your inability to perform your job duties, even legitimate claims can be denied.

What OPM Looks For

OPM evaluates medical evidence based on several key criteria:

  • Diagnosis: A clear, specific diagnosis from a qualified medical professional
  • Functional Limitations: How your condition limits your ability to perform specific job duties
  • Duration: Evidence that the disabling condition is expected to continue for at least one year from the application date
  • Treatment History: Documentation of ongoing treatment and its effectiveness
  • Prognosis: Your physician's assessment of your future condition and recovery prospects

The SF 3112 Series

The SF 3112 form series is the backbone of your medical documentation:

  • SF 3112A (Applicant's Statement): Your personal description of how your condition affects your work
  • SF 3112C (Physician's Statement): Your doctor's detailed medical assessment
  • SF 3112D (Agency Certification of Reassignment and Accommodation Efforts): Your agency's description of your position and accommodation efforts

Common Mistakes to Avoid

Check for documentation gaps such as:

  • Vague or generic physician statements that don't address specific job duties
  • Failing to connect the medical condition to the inability to perform essential functions
  • Submitting outdated medical records without current assessments
  • Not addressing the "one year" duration requirement
  • Omitting treatment history or medication information

Tips for a Strong Package

Work closely with your physician to ensure they understand exactly what OPM needs. Provide them with your position description so they can specifically address how your condition prevents you from performing those duties. Focus on relevant, accurate, current evidence rather than page count. SF 3112B supplies the supervisor’s statement and SF 3112E the agency checklist. Follow current ORA instructions for the complete application.

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Independent educational content only. TFDR is not a law firm or federal agency. No legal advice or outcome guarantee.

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