The subrogation form decides which insurer pays when someone else caused the injury.
After an accident or injury that was not your fault, more than one insurance company can be responsible for the bills. The subrogation form is how your health plan finds out, so the right party pays and your claims keep moving.
A short form about an injury, not about your health.
It usually goes out when a claim looks like it came from an accident, such as a car crash or an injury at work.
Who May Be Responsible
If another person, a vehicle’s insurance or a workers’ compensation program may owe the bills, the plan wants to know before it pays first. Employees should answer even if they believe no one else is responsible, and say so on the form if that is the case. A complete, accurate answer lets the plan close the question quickly and keeps the claim moving.
What the Plan Asks
Typically the date and place of the injury, what happened, whether other insurance or an attorney is involved, and the claim number if you have one. Have the information ready before sitting down with the form, including any police or incident report details and the names of other insurers. If an attorney is involved, the employee should tell the plan, and may want to ask the attorney what to say.
Why It Is Sent to You
The plan cannot see who was at fault from the claim alone. Your answers let the plan or its claims administrator sort out payment order. Employees often do not realize that the plan only sees billing codes, so the form is the plan’s way to learn what actually happened. Honest, specific answers prevent mistakes about who owes what and reduce follow-up requests.
What happens to the claim next.
Claims Can Be Held Until It Is Returned
Many plans pend injury-related claims until the form comes back, so a late form can mean a late payment to your provider. Employees should return the form promptly and ask the claims administrator what else is needed to release payment. HR can remind staff of this when an injury claim comes up, without asking for any medical details.
Payment Order Is Worked Out
The plan, the claims administrator or the other insurer works out who pays first. Your plan document sets how this works for your plan. Sometimes the plan pays first and recovers later, and sometimes another insurer pays first. The order can affect what the employee owes in the meantime, so employees should ask the claims administrator how their claim is being handled.
A Repayment Request Can Follow
If another party pays you for the same medical costs, the plan may ask to be repaid from that amount. The plan terms decide how. Employees who receive a settlement or payment related to an accident should read their plan’s terms and ask the claims administrator how repayment applies. Counsel can explain the employee’s rights if the amount or the terms are in question.
What HR should know before the form lands on a desk.
Keep Medical Detail with the Carrier
Employees return the form to the carrier or claims administrator. HR does not need the injury details. Employees should send the form straight to the claims administrator and keep a copy for their records. If an employee asks HR for help, HR can point to the right address or phone number without reading or retaining the details.
Insured and Self-Funded Plans Differ
Which rules apply depends on how the plan is funded. Read your plan documents, and ask us if the subrogation language is unclear. A fully insured plan follows the carrier’s contract and state law, while a self-funded plan generally follows its own plan document, subject to federal rules. Employers should have counsel confirm which rules apply to their plan.
Tell Employees Why It Matters
A short note at enrollment that accident claims trigger a form saves a lot of delayed claims later. Managers and HR staff are often the first to hear about an accident, so a short script helps them remind the employee about the form. Including a line in the benefit guide is a low-effort way to reduce delays and phone calls.
See also coordination of benefits, which covers the separate question of which plan pays first when someone has two health plans.
What people ask about the subrogation form.
Does returning the form mean I owe money?
No. The form only tells the plan about possible outside responsibility. Whether any repayment is owed depends on your plan terms and on what, if anything, is recovered.
What if I do not return it?
Many plans hold accident-related claims until they receive it, so your provider may not be paid on time. Check your plan documents for the exact rule.
Who reads my answers?
The carrier or claims administrator handling your claims. They do not go to your employer as a matter of course.
How is this different from coordination of benefits?
Coordination of benefits decides which health plan pays first when you have two. Subrogation is about repayment from a responsible outside party after the plan has paid.
Should I tell my attorney?
If you have an attorney handling the injury, yes. They will want to know the health plan has paid claims related to it.
Can CFH help?
For the accounts we serve, our team can read the plan language with you and help with the carrier. See our claims advocacy work.
Related reading: Coordination of benefits · Reading your plan documents · Denied claims and appeals · Claims advocacy
Related reading: Explanation of benefits (EOB)
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