My Insurance Claim Was Denied and It's Unfair — What Are My Rights?

You paid into this system. Month after month, premium after premium, you held up your end of the deal. And when you actually needed your insurance — when something went wrong and you needed care — they said no.

It doesn't just feel unfair. For millions of Americans, it is unfair. Insurance companies deny claims they should pay, delay reviews to exhaust patients, and use confusing bureaucratic language to obscure what's really happening: they're trying to avoid paying what they owe you.

But here's what they don't want you to know: you have real legal rights. And those rights are enforceable.

You Have the Right to Know Why

This isn't a courtesy — it's the law. Under the Affordable Care Act and ERISA, your insurance company is legally required to provide:

• A clear, specific explanation of why your claim was denied
• Reference to the specific plan provisions or clinical criteria used in making the decision
• A description of the appeals process available to you
• Information about your right to request documents related to your claim

If your denial letter is vague, confusing, or doesn't clearly explain the basis for the decision, that itself may be a violation. Request a more detailed explanation in writing.

You Have the Right to Appeal

This is your most powerful right. Every plan regulated under federal law must offer at least one level of internal appeal — a formal process where you ask the insurer to reconsider. And for most plans, if the internal appeal fails, you also have the right to an independent External Independent Review: Complete Guide" class="auto-link">external review.

These aren't formalities. They're genuine second and third chances — and they work. Studies show 40% to 83% of appealed denials are overturned. The insurance company is betting you won't bother. Prove them wrong.

Appeal deadlines matter enormously. Most plans give you 30 to 180 days from the denial notice. Write your deadline down right now and don't miss it.

You Have the Right to Your Complete Claim File

Under federal law, you can request all documents the insurer used in deciding your claim — including internal review notes, the clinical criteria applied, and any utilization review guidelines. This is critical information for building your appeal.

Call member services and specifically request "all documents, records, and clinical guidelines used in evaluating my claim denial." They must provide this.

You Have the Right to an External Independent Review

If your internal appeal is denied, most plans under the ACA must offer access to an IROs) Explained" class="auto-link">Independent Review Organization (IRO) — a neutral third party with no financial relationship to your insurer. External reviews are binding on the insurer. They can't just ignore the outcome.

This is a massively underused right. Thousands of patients with denied claims never know they can request an external review, and insurance companies don't exactly advertise it.

You Have the Right to File Complaints

With your state insurance commissioner

Your state insurance department regulates insurance companies operating in your state. You can file a formal complaint if you believe your claim was improperly denied or your insurer violated state insurance law. Many state commissioners have consumer assistance programs that will actively advocate on your behalf.

This matters. Regulators pay attention to complaint patterns. A single complaint may not move mountains, but it creates a paper trail, and insurance companies do not want regulatory scrutiny.

With the federal government

If your plan is employer-sponsored and governed by ERISA (which covers most employer health plans), the Department of Labor's Employee Benefits Security Administration (EBSA) handles complaints. The DOL recovered billions in wrongly denied benefits for consumers in recent years.

If you're on a Marketplace plan, you can also file a complaint with the Centers for Medicare & Medicaid Services (CMS).

You May Have the Right to Sue

If your insurance company acts in bad faith — meaning they knowingly deny a valid claim, delay processing unreasonably, or misrepresent your policy terms — you may have grounds for a lawsuit.

Insurance bad faith laws vary by state. In some states, bad faith can result in damages beyond just the original claim — including punitive damages and attorney's fees. Many insurance attorneys work on contingency, meaning no upfront cost to you.

Signs of potential bad faith include:

• Repeated unexplained delays
• Denials contradicted by your own medical records
• Changing denial reasons across different communications
• Failure to conduct a proper investigation
• Ignoring clear evidence in your file

You Have the Right to Assistance

If the process feels overwhelming — and it often does — you have the right to get help.

Patient advocates specialize in navigating insurance denials. Many hospitals have patient advocates on staff for free. Independent patient advocates can be hired and are especially valuable for complex, high-value cases.

State insurance ombudsmen are free consumer resources that help people navigate insurance disputes in many states.

Legal aid organizations can help low-income patients understand and assert their rights at no cost.

The System Is Built to Make You Give Up

Let's be honest about this: the appeal process is deliberately complex. The forms are confusing. The timelines are strict. The language is obscure. This is not an accident.

Insurance companies profit when patients give up. Every denied claim that goes unchallenged is money in their pocket. Knowing your rights — and using them — is the single most effective thing you can do.

Fight Back With ClaimBack

ClaimBack was built for people in exactly your situation — patients who know their denial is wrong and are ready to fight back. Our platform guides you through the appeal process with clarity and purpose.

Start your appeal at https://claimback.app/appeal

You have rights. Now use them.

Related Reading

• Internal vs. External Insurance Appeal: Which Should You File?
• Common Reasons Insurance Claims Are Denied
• How to Request an External Review of an Insurance Denial