No. If you got rear-ended on Forest Avenue delivering supplies or heading between jobs in Portland and the ER ran your regular health insurance first, that usually does not ruin a Maine workers' comp claim.

Before you know that, it feels like you blew it. You used the wrong card, maybe said "car accident" instead of "work accident," and now your employer is acting like the window closed. It didn't.

What changes now: the key issue is whether you were working when you were hurt, not which insurance paid the first bill. In Maine, you should still notify your employer within 30 days of the injury if you have not already. Do it in writing if possible. Your employer is supposed to report the injury to the Maine Workers' Compensation Board.

Then the billing can be cleaned up. Medical providers can rebill the claim through workers' comp, and if you paid copays, deductibles, or prescriptions out of pocket, keep receipts. Those may be recoverable.

If your employer says, "You already used your own insurance, so workers' comp is off the table," that is not how it works.

A few things look different once you act:

• Medical bills can shift from your health insurer to workers' comp.
• Lost wages may be available if you missed enough time.
• If they offer light duty, it needs to be within your restrictions.
• If another driver caused the crash, you may also have a third-party claim against that driver while still pursuing workers' comp.

If the claim is denied, you can file a petition with the Maine Workers' Compensation Board. And if you're worried reporting it now will get you fired, Maine law bars employers from retaliating because you sought workers' comp benefits.

So the situation before: messy, but fixable. After: report it, gather the bills, and start pushing the claim into the right system.