Medical certification for FMLA is a form completed by a healthcare provider that confirms you or your family member has a serious health condition requiring leave from work. It’s the key document your employer uses to verify that your leave request qualifies for protection under the Family and Medical Leave Act. Your employer can legally require you to provide this certification, and you generally have 15 calendar days to return it.
What the Certification Includes
A medical certification asks your healthcare provider to supply specific facts about the health condition without necessarily disclosing a diagnosis to your employer. The provider fills in their contact information, medical specialty, the date the condition began, and how long it’s expected to last. They also describe relevant medical facts about the condition and state whether you’re unable to perform your job functions, or whether your family member needs care.
The U.S. Department of Labor publishes two standard forms. Form WH-380-E is used when you’re taking leave for your own serious health condition. Form WH-380-F is used when you need leave to care for a family member. Your employer isn’t required to use these exact forms, but they can’t ask for more information than what the DOL forms request.
Extra Requirements for Intermittent Leave
If you need leave in smaller blocks of time rather than one continuous stretch, the certification must include additional detail: an estimate of how often you’ll be absent, how long each absence will last, and a medical explanation for why intermittent or reduced-schedule leave is necessary. Your healthcare provider only needs to give their best medical judgment here. The law doesn’t require an exact schedule, especially when flare-ups or episodes are unpredictable.
The 15-Day Deadline
Once your employer requests certification, you typically have 15 calendar days to return it. For foreseeable leave (a scheduled surgery, for example), failing to provide certification on time can allow your employer to deny FMLA coverage until you turn it in. For unforeseeable leave, the same 15-day window applies, but extenuating circumstances like a medical emergency can justify a delay.
If your certification comes back incomplete (missing entries) or insufficient (vague or unclear answers), your employer must tell you in writing exactly what needs to be fixed. You then get seven calendar days to cure those deficiencies. If you don’t correct the problems, your employer can deny FMLA protection for that leave.
Who Can Contact Your Doctor
Your employer has the right to verify and clarify the information on your certification, but there are strict rules about who makes that contact. Only a healthcare provider, HR professional, leave administrator, or management official on the employer’s side can reach out to your doctor. Your direct supervisor is never allowed to contact your healthcare provider, under any circumstances.
The scope of that contact is limited, too. “Authentication” means the employer sends a copy of the certification to the provider and simply asks whether they actually completed and signed it. No new medical information can be requested. “Clarification” means asking the provider to explain illegible handwriting or an unclear answer on the form. The employer cannot fish for additional medical details beyond what the certification form requires.
Second and Third Opinions
If your employer has reason to doubt the validity of your certification, they can require you to get a second opinion from a different healthcare provider, at the employer’s expense. The employer chooses this provider, but it can’t be someone who works for them on a regular basis.
While you’re waiting for that second opinion, you’re still provisionally entitled to FMLA protections, including continuation of your group health benefits. If the second opinion disagrees with the first, the employer can require a third opinion, also at their expense. This third provider must be chosen jointly by you and your employer, with both sides acting in good faith. The third opinion is final and binding. If the employer refuses to negotiate in good faith on choosing the third provider, they’re stuck with your original certification. If you’re the one who refuses, you’re bound by the second opinion.
How Often Employers Can Request Recertification
Recertification is a fresh certification your employer can request after leave is already underway. The general rule is no more often than every 30 days, and only in connection with an actual absence. If your original certification states the condition will last longer than 30 days, your employer must wait until that minimum duration expires before asking. For example, if the certification says you’ll need leave for 40 days, the employer waits 40 days.
There’s a floor, though: regardless of the condition’s duration, your employer can always request recertification every six months in connection with an absence. So even a lifelong condition can be recertified twice a year.
Employers can request recertification sooner than 30 days in three situations: you ask to extend your leave, your pattern of absences has changed significantly from what the certification described, or the employer gets information that casts doubt on your reason for being out. The regulations give a pointed example of this last scenario: if you’re on FMLA leave recovering from knee surgery and you’re spotted playing in a company softball league during week three, that’s enough to trigger an early recertification request.
Genetic Information Protections
Under the Genetic Information Nondiscrimination Act (GINA), employers are prohibited from requesting or acquiring genetic information about you or your family. Because FMLA certification asks for medical details, employers are expected to include “safe harbor” language on the request telling you and your healthcare provider not to include genetic information. This covers things like family medical history, genetic test results, and whether you or a family member has ever used genetic counseling services. Any genetic information received despite this warning is treated as inadvertent under the law, which protects the employer from a GINA violation, but the warning must be included.