What Happens If You Miss the Insurance Appeal Deadline

Insurance companies count on you missing your appeal deadline. Once the window closes, they're off the hook — legally. But "off the hook" isn't the same as "out of options." If you've missed the deadline, you may still have more paths forward than you think.

What Are the Standard Deadlines?

Appeal deadlines vary by plan type:

• ACA marketplace plans: typically 180 days from the denial notice
• Employer-sponsored (ERISA) plans: at least 180 days per federal law
• Medicare Advantage: 60 days for standard appeals, 72 hours for expedited
• Medicaid: 90 days in most states, sometimes 30
• Short-term or non-ACA plans: as little as 30 days — read your plan documents

The clock starts when you receive the denial notice — not when the service was provided.

Can You Still File After the Deadline?

Sometimes, yes. Here's how:

1. Request a Good Cause Extension

Most plans allow late appeals if you can show "good cause" — a valid reason why you couldn't file in time. Acceptable reasons often include:

• You were hospitalized or incapacitated during the appeal window
• You never received the denial notice (document this in writing)
• A death in the family or serious personal emergency
• You received incorrect information from the insurer about the deadline

Submit a written request explaining your reason. Keep it factual and attach any supporting documentation.

2. File a State Insurance Department Complaint

Your state's Department of Insurance (or equivalent) has independent authority to investigate insurer conduct. They are not bound by the appeal deadline. File a complaint describing the denial and the circumstances. Insurers often resolve complaints proactively to avoid regulatory scrutiny.

3. Request a New Claim or Service Authorization

If you still need the treatment, have your provider submit a new prior authorization or claim request. If your medical situation has changed or there is new clinical evidence, the new submission may be approved where the original was denied.

4. Pursue Legal Action (ERISA Plans)

For employer plans governed by ERISA, courts have occasionally allowed late appeals where the plan's notice was deficient — for example, if the denial letter didn't clearly state the appeal deadline. An ERISA attorney can evaluate whether the plan met its notification obligations.

Don't Miss the Next One

If you have a current or pending denial, act now. Set a calendar reminder the day you receive any denial letter. The appeal deadline is not negotiable — but writing a strong appeal can be done quickly with the right tools.