Insurance Claim Denied? 7 Things to Do Before You Accept It

Your insurance claim was denied. Maybe it was your child's therapy. Maybe it was a surgery your doctor said you needed. Maybe it was a medication you've been taking for years that suddenly isn't covered anymore. Whatever it was, you're holding a letter that says no, and it feels like the ground just disappeared.

Take a breath. That letter is not the end of this. It is designed to feel like the end — to make you believe that a professional institution weighed the evidence and made a final, reasonable decision. But insurance denial letters follow specific patterns, and understanding those patterns changes everything. Most people who appeal a denied claim never hear that a significant percentage of appeals succeed. The insurance company knows this. They're counting on you not to try.

Step 1: Don't React — Read

The worst thing you can do with a denial letter is respond in the first hour. Not because your anger isn't justified, but because the letter was engineered to trigger exactly that response. Panic, resignation, or a hasty phone call to the number on the back of your card — all of these serve the insurer, not you.

Instead, sit down with the letter when you're calm enough to read it carefully. Get a highlighter. You're looking for one specific thing: the stated reason for denial. It might be buried in a paragraph of jargon, but somewhere in the letter, there's a sentence that carries the actual weight. Phrases like "not medically necessary," "out of network," "pre-authorization not obtained," or "experimental or investigational" — these are the load-bearing words. Everything else in the letter exists to make that phrase feel like a verdict. It's not a verdict. It's a starting point.

Step 2: Understand What 'Not Medically Necessary' Actually Means

If your denial uses the phrase "not medically necessary" — and most do — you need to understand what that phrase means in practice. It does not mean your doctor was wrong. It does not mean the treatment won't help. It means that the insurance company's reviewer, applying the company's internal criteria, determined that the documentation submitted didn't meet their threshold. That's a much narrower claim than it sounds like.

Here's what matters: those criteria are written down somewhere, and you have the right to see them. Under the ACA, the insurer must provide you with the specific clinical guidelines or policy provisions they used to make the decision. If your denial letter says "not medically necessary" without pointing you to the exact criteria, that's not just unhelpful — it may be a procedural violation. Request the complete clinical review notes. Request the name and credentials of the reviewer. Request the specific criteria document. You're not asking for a favor. You're exercising a legal right.

For parents dealing with denied therapy for a child — ABA therapy, speech therapy, occupational therapy — this step is especially critical. Denials based on medical necessity often rely on outdated criteria or fail to account for the treating clinician's assessment. Your child's therapist or doctor can often write a letter of medical necessity that directly addresses the criteria the insurer claims weren't met.

Step 3: Find Your Appeal Rights (They May Not Be Where the Letter Puts Them)

Every denial letter includes information about your right to appeal. The question is whether that information is complete, accurate, and easy to find. In many denial letters, appeal rights are buried at the bottom of the page in dense paragraphs that read like legal boilerplate. This placement is not accidental. By the time you reach it, you've already absorbed the word "no" and your brain is ready to stop reading.

Look for these specific things. First, does the letter mention your right to an internal appeal? It should. Second — and this is the one insurers most often leave out — does it mention your right to an external review? Under the ACA, if your internal appeal is denied, you have the right to have your case reviewed by an independent third party that has no financial relationship with your insurance company. Many state laws add protections beyond this federal minimum. If your letter only describes the internal appeal process and stops there, it is leaving out the most powerful tool you have.

Third, check the deadline the letter gives you against your state's actual regulations. Some letters cite 30 days for an appeal when state law gives you 60 or even 180 days. The letter is telling you the insurer's preferred timeline, which may not be the legal timeline. Look up your state's insurance department website or call their consumer helpline to verify.

Step 4: Call Your Doctor's Office Before You Do Anything Else

This is the step most people skip, and it may be the most important one. Your doctor's billing office and your treating physician are your strongest allies in a claim dispute. They deal with insurance denials constantly. They know which documentation makes a difference, which appeal language works, and which internal review teams actually reverse decisions.

Ask your doctor to do three things. First, review the denial letter and tell you whether the stated reason holds up clinically. Second, write a letter of medical necessity that specifically addresses the criteria the insurer cited. This letter should include your diagnosis, treatment history, why the denied service is the appropriate standard of care, and what happens to your health if the service is not provided. Third, ask if the billing office can submit a peer-to-peer review request, which allows your doctor to speak directly with the insurance company's medical reviewer. These conversations often resolve denials that looked permanent on paper.

If you're a parent fighting a denial for your child's care, your child's treating provider is the most credible voice in the room. A detailed letter from the therapist or specialist who works with your child every week carries more weight than anything you could write yourself. Ask them for help. Most are willing. Many have template language specifically for this.

Step 5: Check Whether the Letter Is Missing Required Information

Insurance companies are required by federal and state law to include specific information in every denial letter. If any of it is missing, you have grounds for a procedural complaint in addition to your substantive appeal. This matters because procedural complaints go to state regulators, and insurers take regulatory attention seriously.

Here's what should be in the letter: the specific reason for denial with reference to plan provisions; the clinical rationale if the denial involves medical judgment; clear instructions for filing an internal appeal; notification of your right to external review; the deadlines for each step; a statement that you can request the complete claim file; and contact information for your state insurance department. If your letter is missing any of these elements, document what's absent. You can file a complaint with your state's Department of Insurance while your appeal is pending.

Missing disclosures are more common than you'd expect, especially in automated denial letters. The insurer's legal obligation is to give you a complete picture of your rights. If they didn't, that failure is itself a point of leverage.

Step 6: Write Your Appeal Like You're Building a Case

Your appeal letter is not an emotional plea. It's a structured argument that the denial was wrong. The most effective appeal letters follow a simple format: state the denial reason, explain why it's incorrect or incomplete, provide supporting documentation, and request a specific outcome.

Start with the facts: your name, member ID, claim number, date of service, and the specific denial reason from the letter. Then address that reason directly. If they said the treatment wasn't medically necessary, include your doctor's letter explaining why it was. If they said pre-authorization wasn't obtained, include documentation showing when it was requested. If they cited a policy exclusion, quote the actual policy language and explain why it doesn't apply to your situation.

Keep it factual and specific. Use dates, names, and reference numbers. Cite the plan language they cited, and show where their application of it was wrong. Include every supporting document: medical records, provider letters, clinical guidelines from professional organizations, and any communication you've had with the insurer. Make the appeal file comprehensive enough that the reviewer can make a decision without requesting more information. Every request for additional documentation is another opportunity for delay.

If your child has been denied therapy or services, include progress reports from the treating provider, any standardized assessments showing need, and documentation of what happens when services are interrupted. The goal is to make the clinical case so clear that the reviewer has no reasonable basis to uphold the denial.

Step 7: Know What Comes After the Appeal

If your internal appeal is denied, you are not done. This is where most people stop, because the second denial feels truly final. It isn't. You still have the right to external review in most cases, and external reviewers reverse insurance company decisions at a meaningful rate. The external reviewer is a physician or clinical expert who has no connection to your insurance company. They review your case independently, and their decision is binding on the insurer.

Beyond external review, you can file a complaint with your state's Department of Insurance. You can contact your state's Consumer Assistance Program if one exists. If your plan is through an employer, you may have additional rights under ERISA. And in some cases, particularly when a denial involves mental health or substance abuse treatment, the Mental Health Parity and Addiction Equity Act provides protections that insurers frequently violate.

The denial letter positions itself as the last word. It almost never is. The system has more doors than the letter wants you to see. Your job is to keep opening them.

You Don't Have to Read the Letter Alone

Insurance denial letters are written by professionals who craft this language for a living. They know exactly how to make a denial feel inevitable, how to bury your rights in boilerplate, and how to create just enough confusion that you decide fighting isn't worth it. Reading one of these letters alone, at your kitchen table, after a long day — it's an unfair fight.

That's why we built the Insurance Shield. Paste your denial letter into the tool at misread.io/shield/insurance and get a plain-language breakdown of what the letter is actually doing: which tactics are being used, what rights are buried or missing, where the circular reasoning is, and what your next move should be. It reads the same structural patterns that a trained insurance advocate would look for, and it shows them to you in seconds. Free. No account required.

You deserve to understand what your insurance company is telling you. Not what they want you to hear — what they're actually saying. And once you see it clearly, you can decide what to do about it from a position of knowledge instead of confusion.

Try the Insurance Shield free: https://misread.io/shield/insurance