How to Appeal When Therapy Session Claim Is Denied

Medically reviewed by Melissa Guarnaccia, LCSW
Updated August 10th, 2026 by BetterHelp Editorial Team

If your therapy session claim is denied, you can appeal the decision by reviewing the denial reason, gathering supporting documentation, and submitting an appeal to your insurance provider within the required deadline.

If that appeal is unsuccessful, you may also be able to request an independent external review. Understanding your insurer’s deadlines, documentation requirements, and the reason for the denial can help you take the right next steps.

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Having a therapy claim denied may feel discouraging, especially when you're already juggling the cost of care. 

A denial usually isn't the end of the road, though, and you have the right to appeal. Knowing how to appeal when a therapy session claim is denied, why they get denied in the first place, and when to escalate may help you feel more in control of the process.

Why do therapy session claims get denied?

BetterHelp research reveals that 78% of Americans are not currently accessing mental health care and 52% of Americans point to cost as a barrier. A denial may add to that financial worry. 

But an insurance denial doesn't always mean something is wrong with your care or that you did anything wrong when seeking mental health services. Understanding the most common reasons behind mental health insurance claims denials may make the appeal process feel far less daunting. 

Insurance claim denials usually come down to a few issues:

  • Medical necessity questions: Your insurer may say the documentation didn't clearly show the mental health service was medically necessary, meaning they weren't convinced the treatment was essential.
  • Billing or coding errors: A simple clerical mistake on the claim form, like a wrong code or a typo, may trigger a denial. This tends to be one of the most fixable reasons, often, resubmitting a corrected claim with the accurate code is enough to resolve it.
  • Out-of-network provider: If your therapist isn't in your plan's network, your insurer may cover less or deny the claim, since in-network care is usually reimbursed at a higher rate.

What does the denial letter tell you?

Your denial letter is the most important document in the insurance claim process, so read it carefully. Insurers are required to state the denial reason. 

You’ll usually find it in a section labeled something like "reason for denial" or "explanation," often near the top or middle of the letter. This tells you exactly what to address in your appeal, whether it's a coding fix or proof of medical necessity.

The letter also lists your appeal deadline. Most plans give a limited window to file, so check this date first and note it.

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How do you start the appeal process for a denied claim?

Once you understand why your claim was denied, you may begin building your appeal. Appealing denied claims may feel intimidating, but taking claim denials one step at a time makes the process far more manageable.

There are three simple steps to get the process started:

  1. Contact your insurance company: Call the number on your denial letter to ask clarifying questions. Understanding their reasoning before you submit anything in writing may save you time.
  2. Gather your supporting documents: Submitting a letter from your therapist, session notes, or a statement of medical necessity may all strengthen your case, especially when your plan's mental health benefits are unclear.
  3. Submit your internal appeal: This is the first formal appeal, handled directly by your health plan, and it's often where many denials get resolved.

Navigating this while also managing your mental health may feel like a lot to carry at once. If keeping up with regular sessions matters to you during this time, online therapy may be a flexible way to stay connected to support while you sort out the paperwork.

What happens if the internal appeal is denied?

A denied internal appeal isn't the end of the line, and you still have options worth pursuing. If your internal appeal doesn't resolve the issue, you may file for an external review. This moves your case out of your insurer's hands and gives it a fresh look by a neutral party.

That neutral party is an independent review organization. Because this outside group isn't affiliated with your insurer, its decision on your appeal is final and binding, which may work in your favor.

It also helps to know your rights. Federal mental health parity law requires that mental health claims, including medical necessity denials, be treated similarly to medical or surgical claims. So if your plan covers comparable medical care, that protection may strengthen your appeal.

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Does insurance cover therapy sessions with BetterHelp?

Finding covered, reachable support for mental health care matters. That's why many providers on BetterHelp work with major health insurance carriers. When sessions are covered, eligible members typically pay an average copay of about $23 per session. 

If your plan isn't accepted, BetterHelp's flexible subscription model remains an affordable option that may help you avoid surprise medical bills. Sessions for eligible members usually cost about $70 to $100 per week. HSA or FSA cards may also be used to help cover the cost.

While you're navigating an appeal, having a reliable way to reach support may ease some of the stress. With BetterHelp, you may connect discreetly with a licensed therapist from home and reach out through in-app messaging between sessions.

BetterHelp insurance availability, coverage, and cost may vary by state, plan, provider network, therapist availability, and deductible status.

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Moving forward after a denial

A denied therapy claim may feel like a setback, but it's often just one step in a longer process. By understanding why claims get denied, reviewing your denial letter, and moving through the internal and external appeal stages, you may advocate for the coverage you're entitled to. Support is available at every step, both for the paperwork and you.

Takeaway

A denial isn't the final word, appeals move from an internal review to an independent external review if needed, and you don't have to navigate either step alone. Knowing your rights under mental health parity law, and leaning on support like a letter of medical necessity from your therapist, may make the process feel much more manageable.
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This article provides general information and does not constitute medical or therapeutic advice. Mentions of diagnoses or therapy/treatment options are educational and do not indicate availability through BetterHelp in your country.
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