External Review of a Health Insurance Denial

By the Editorial Team. Reviewed and updated on August 19, 2026.

This article is educational and independent. It is not medical, legal, insurance, or financial advice. Coverage rules, appeal rights, and billing protections vary by plan, by state, and by individual circumstance. Confirm details with your plan documents, your state insurance department, or the official sources named in this article.

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An external review of a health insurance denial is the point where your dispute finally leaves the company that denied you. Everything before it — the phone calls, the letters, the internal appeal — is the plan grading its own homework. At external review, a panel of clinicians employed by no one connected to your plan reads the same file and reaches its own conclusion. If they disagree with the plan, the plan has to pay. It does not get a vote.

Most people never get there. The final internal denial letter arrives, it uses the word “final,” and that word does the work. The appeal rights paragraph sits on page three under a heading nobody reads, the envelope goes in a drawer, and a bill that could have been overturned quietly becomes a bill that gets paid or sent to collections.

This article is about that one step, in detail: what an independent review actually is, who has the right to it, which denials qualify and which are wasted on it, when you can skip the internal appeal, the filing window, the difference between the 45-day standard track and the 72-hour urgent track, how to tell whether your state or the federal government runs your review, exactly what to put in the envelope, and what “binding” means once the decision lands. Our companion piece covers the whole denial response from the first letter onward. This one goes deep on the last mile.

What an External Review Is, and Who Actually Decides

The right comes from the Affordable Care Act (ACA), the 2010 federal health law. Before it, external review existed in some states and not others, applied to some plans and not others, and was routinely unavailable to people in employer plans. The ACA set a federal floor: most people with private coverage now have a right to take a medical judgment denial to an outside decision-maker after the plan’s own process ends.

The decision-maker is an independent review organization (IRO) — an accredited company that contracts with states or with the federal process to supply clinical reviewers. Three features define it, and each one is doing real work:

No financial relationship to your plan. The IRO cannot be owned by the insurer, cannot be paid more for upholding denials, and its reviewers cannot have a stake in the outcome. Conflict-of-interest standards are part of how IROs get accredited and stay accredited.
Clinical peers, not claims staff. The reviewer is generally a licensed physician or other appropriate clinician in a specialty relevant to your condition. A spine surgery denial gets read by someone who does spine work, not by a nurse reviewer following a checklist.
A binding decision. This is the part that separates external review from every other complaint you can file. The plan must comply. Not consider. Comply.

An IRO is not a court and not a mediator. It does not split the difference and it does not care how frustrated you are. It answers one narrow question: on this record, under this plan’s own definitions, was the denied service medically necessary or otherwise covered? That narrowness is exactly why the contents of your submission matter more than the tone of it.

Two people assembling medical records and plan criteria for an independent review organization

Who Has the Right to an External Review

The right to an external review of a health insurance denial reaches nearly everyone with private health coverage bought or offered after March 2010. The exceptions are narrow but real, and knowing which bucket you sit in saves you weeks.

Marketplace and individual plans. Covered. Every plan sold through the ACA marketplace, and essentially every individual policy issued since 2010, must offer external review.
Employer group plans, fully insured. Covered, through your state’s external review program in most states. “Fully insured” means the employer buys a policy and the insurance company pays claims with its own money.
Employer group plans, self-funded. Covered, but through a different route. Here the employer pays claims out of its own funds and hires an insurance company only to administer them. State insurance law generally does not reach these plans, so most of them use the federal external review process instead.
Grandfathered plans. Not required to offer external review. A grandfathered plan is one that has existed continuously since March 23, 2010 without making certain benefit or cost-sharing changes. Very few remain, but if your Summary of Benefits and Coverage says “grandfathered,” the federal external review right does not apply to you — check whether your state offers one anyway, because some do.
Some self-funded church and government plans. Certain non-federal governmental plans and church plans sit outside parts of the federal framework and may opt out of specific requirements. Your Summary Plan Description will say so.
Medicare and Medicaid. Not covered by this process at all, because both run their own, arguably stronger, appeal systems — Medicare’s multi-level appeal ladder with an Administrative Law Judge stage, and Medicaid’s right to a state fair hearing.

If you are unsure which category applies, the fastest answer is the final denial letter itself. Federal rules require it to describe your external review rights and tell you where to file. If that paragraph is missing or vague, that omission is itself worth writing down, because a plan that fails to follow its own claims procedures gives you options discussed further below.

Which Denials Qualify for an External Review of a Health Insurance Denial — and Which Do Not

This is where most wasted effort happens, and the distinction is genuinely counterintuitive. External review is for medical judgment. It is not a general appeal of anything you disagree with.

An IRO can overturn a denial that rests on a clinical opinion. It generally cannot rewrite your contract. If the plan document plainly excludes a service for everyone who holds that policy, no independent reviewer can order it covered, because the reviewer is applying your plan’s terms, not overriding them.

Denial type	Eligible for external review?	Why
Not medically necessary	Yes	A clinical judgment about whether your documentation met the plan’s criteria — the core of what an IRO exists to re-decide
Experimental or investigational	Yes	A judgment about the state of medical evidence for your condition, which outside specialists are positioned to weigh
Wrong level of care (inpatient denied, observation approved; residential denied, outpatient approved)	Yes	A clinical appropriateness question, and one of the most commonly reviewed categories
Care cut off mid-course (concurrent review termination)	Yes	A medical judgment that continued treatment is no longer necessary, and often eligible for the urgent track
Rescission of coverage	Yes	Explicitly eligible by rule, even though it involves no clinical question at all — the ACA singled it out
Service genuinely excluded by the contract	Generally no	Nothing for a clinician to judge. The plan simply does not cover it for anyone. Your route is the plan language itself, or a regulator if the exclusion is being misapplied
Eligibility dispute (were you enrolled that day? is that dependent covered?)	Generally no	A contractual and administrative question, not a medical one. Handle it with HR, the plan administrator, or your state regulator
Coding or billing error	No	Not a denial of benefits in substance. The provider submits a corrected claim
Contested amount owed on an out-of-network bill	Usually no	A payment-rate dispute rather than a coverage decision; surprise-billing rules and their own dispute process may apply instead

Read your denial letter with that table in hand, because plans sometimes phrase a medical judgment denial in exclusion language. “Not a covered benefit” appearing on the letter does not automatically mean the contract excludes the service — it may mean the plan concluded the service was not necessary in your case, which is a clinical call and reviewable. When the wording is ambiguous, request the plan’s written criteria. If a criteria document exists for that service, the denial was almost certainly a medical judgment, and medical judgment is reviewable. If a claim was denied because paperwork never arrived rather than because a clinician said no, our walkthrough of how to decode the codes on an EOB will sort that out faster than any appeal.

Exhaust the Internal Appeal First — With Two Exceptions

The general rule: you must finish the plan’s internal appeal process before an IRO will look at your case. For most private coverage that means one level of internal appeal, and the plan must decide it within 72 hours for urgent care, 30 days for a pre-service denial, and 60 days for a post-service denial. HealthCare.gov lays out the sequence on its internal appeals page. If you have not filed that appeal yet, start with our step-by-step guide to what to do when a claim comes back denied, then come back here.

Two exceptions let you move to external review without a completed internal appeal.

Urgent situations. When waiting out the standard timeline would seriously jeopardize your life, your health, or your ability to regain maximum function — or when you are in the middle of a course of treatment that is being cut off — you can file for expedited external review at the same time as the expedited internal appeal. The two run in parallel. Your treating physician’s statement that the situation is urgent generally governs whether this applies.
The plan failed to follow its own procedures. Federal claims rules require plans to meet their deadlines, provide the documents you request, and give you a real review. When a plan blows a deadline or otherwise fails to comply in a way that is more than trivial, you may treat the internal process as exhausted and go straight to external review. Keep dated proof: mailing receipts, call logs, the letters you sent and the silence that followed.

A caution on the second exception. Plans sometimes dispute that an exhaustion failure occurred, and if the argument goes badly you may have burned the calendar. Unless a deadline is genuinely about to expire, the safer play is usually to file the internal appeal and document the failure, so you have both roads open.

How an External Review of a Health Insurance Denial Moves, Step by Step

Here is the sequence from final denial to decision. Dates are federal minimum standards for most private plans as of 2026; a state program may give you longer, never shorter.

Day 0 — the final internal denial arrives. Note its date. Every clock in this process starts there, not on the day you opened the envelope. Read the section headed something like “Your right to an external review” and copy down the filing address, phone number, and any form number.
Days 1-10 — request the file. In writing, ask the plan for the complete claim file: the clinical criteria applied, the credentials and specialty of every reviewer, the internal guideline cited, and copies of everything the plan relied on. Group health plans must supply this free of charge. You are entitled to it, and you will build the submission around it.
Days 1-14 — get the physician statement moving. This is the long pole. Ask early, and ask for something specific rather than a general letter of support.
Within 4 months — file the request. You generally have 4 months from the date of the final internal denial. If the four-month mark falls on a weekend or holiday, it typically rolls to the next business day. File well before that, ideally within six weeks, so a missing document does not cost you the right.
Days 1-6 after filing — preliminary review. The reviewing body checks that you were covered, that the denial involves medical judgment or rescission, that you exhausted internal appeals, and that your paperwork is complete. If something is missing, you generally get a chance to cure it. This step is why an eligibility or contract-exclusion denial gets bounced here rather than decided on the merits.
Assignment. An IRO is assigned — by the state program or, in the federal process, on a rotating or random basis so the plan cannot pick its reviewer.
Roughly 10 business days — your extra evidence window. After assignment you usually have about 10 business days to send additional material directly to the IRO. Anything you send, the IRO must forward to the plan, and the plan is allowed to reverse itself at this point. Plans sometimes do exactly that when new records show up.
Decision. The IRO issues a written decision to you and the plan: 45 days from the request for a standard review, and as fast as 72 hours for an expedited one.
Compliance. If the denial is overturned, the plan must provide coverage or payment immediately, without further internal review.

	Standard external review	Expedited external review
When it applies	Care already received, or non-urgent care still pending	Urgent care, care in progress being terminated, or an emergency admission still in the hospital
Internal appeal first?	Yes, must be exhausted	Can be filed at the same time as the expedited internal appeal
Deadline to file	Generally 4 months from the final internal denial	Immediately; do not wait for the internal decision
Preliminary eligibility check	Generally within 6 business days	Immediately upon receipt
Window to submit extra evidence	About 10 business days after IRO assignment	Compressed; send everything with the request
Decision time	Within 45 days of the request	As soon as the situation requires, generally within 72 hours
How to file	Written request, usually a short form	Phone or fax accepted; written confirmation follows
Binding on the plan?	Yes	Yes

The expedited track is underused. People assume it is only for ambulances and intensive care. In practice it also covers a denial that stops treatment you are currently receiving, and a delay that would let a treatable condition worsen. Ask the treating physician whether the urgency standard fits. If they say yes, get it in writing the same week.

State Program or Federal Process: Which One Is Yours

There is no single national external review office. Two systems run in parallel, and which one handles your case depends on your plan type and your state.

Your coverage	Who usually runs the external review	Where to start
Individual or marketplace policy	Your state’s external review program, if the state meets federal standards	State Department of Insurance (DOI), the state agency that regulates insurers
Fully insured employer plan	Your state’s program	State DOI, or the address printed on the final denial letter
Self-funded employer plan (ERISA)	The federal process, typically administered by HHS or through a plan-arranged IRO contract meeting federal rules	The instructions in the denial letter; the federal external review request line for HHS-administered cases
Plan in a state whose program does not meet federal standards	The federal HHS-administered process	Same as above
Medicare, Medicaid, CHIP	Neither — each program has its own appeals system	Medicare appeal notices; state Medicaid fair hearing office

ERISA is the Employee Retirement Income Security Act, the 1974 federal law governing most private employer benefit plans. Whether your employer plan is self-funded under ERISA or fully insured is the single most useful fact to establish early, because it decides which regulator can help you and which external review door you knock on. Ask HR directly: “Is our medical plan self-funded or fully insured?” It is a routine question and benefits staff answer it every week. The Centers for Medicare & Medicaid Services (CMS) explains how the two routes fit together on its appeals and external review page, and HealthCare.gov covers the consumer-facing steps on its external review page.

One practical shortcut: the final denial letter is required to tell you where to file. If it names a state agency, you are in a state program. If it names a federal request line or an IRO directly, you are in the federal process. When the letter is unclear, call your state DOI first — they will tell you in one call whether they have jurisdiction over your plan.

What to Put in the Envelope

An IRO decides on the record. There is no hearing, no testimony, and almost never a phone call. The file is the whole case, which makes assembling it the only part of this process you fully control.

The external review request form, completed, plus a signed authorization letting the IRO see your medical records. Missing authorizations are a leading cause of delay.
Every denial letter in the chain — the original adverse benefit determination and the final internal denial — so the reviewer can see how the plan’s reasoning shifted, if it did.
The plan’s own criteria document. You have the right to request the specific clinical guideline or medical policy used against you, free of charge. This is the standard the IRO will measure your records against, so knowing it is not optional.
A treating physician’s statement written to those criteria. Not a letter saying the care is needed. A letter that takes each criterion in order and points to dated evidence in the chart that satisfies it, and explains in clinical terms why the plan’s suggested alternative is not appropriate for you.
The medical records themselves — office notes, imaging reports, lab results, therapy notes, discharge summaries, medication history. Include records from every provider involved, not just the ordering one. Records that live in a different practice’s system are the most common gap in an otherwise strong file.
A treatment history showing what was tried before, for how long, and with what result. Decisive for step-therapy drug denials and level-of-care disputes.
Published clinical guidance from a specialty society or a government source supporting the treatment for your condition, if the denial called the care experimental.
A one-page cover letter that lists the enclosures, states the question in one sentence, and gives the claim number, member ID, and dates of service on every page.

Keep an exact copy of everything and send it with delivery tracking. If the denial concerned a service that needed approval before it happened, the criteria trail usually starts in the authorization file rather than the claim file — our explainer on how approval decisions get made before care shows where those documents live.

What It Costs, and What “Binding” Really Means

The cost question has a short answer: essentially nothing. In the federal process external review is free to the consumer. In state programs it is free or capped at a nominal filing fee — typically $25 or less, often waivable for hardship and refunded if you win. No state may charge a fee that operates as a barrier. If someone tells you an external review will cost you hundreds of dollars, you are being told something incorrect.

“Binding” means what it sounds like. If the IRO overturns the denial, the plan must provide coverage or payment, and it must do so immediately rather than starting a new internal review. The plan does not get to disagree, re-review, or run the claim past another medical director. In practice, after a reversal:

A pre-service denial turns into an authorization, and you can schedule the care.
A post-service denial turns into a reprocessed claim. The plan pays the provider its contracted or allowed amount and issues a corrected Explanation of Benefits (EOB), the plan’s accounting statement for a claim.
Your cost sharing gets recalculated at the correct level, which can also move your deductible and out-of-pocket maximum for the year.
If you already paid the provider out of pocket, you request a refund from the provider or reimbursement from the plan. Do not assume this happens automatically — follow up in writing after two weeks.

If the IRO upholds the denial, that is the end of the administrative road. For an ERISA plan, a lawsuit becomes the remaining option, and courts generally review only the record built during the appeal — which is another reason to over-document at the external review stage rather than holding evidence back. For a state-regulated plan, state law governs what comes next. Either way, a separate question remains worth asking: the bill itself. A denial that survives review is still a bill you may be able to reduce, and hospital financial assistance and charity care policies operate on entirely different rules from coverage decisions.

The Honest Version of the Success-Rate Question

People want a number. Here is what can be said responsibly.

Independent reviewers overturn a meaningful share of the denials that reach them. Not most, not predictably, and the share varies widely by state, by year, by service type, and by how well the file was built. Published state and federal reporting has shown overturn rates ranging from roughly one in five cases up to something closer to half in certain categories and certain states. Those figures describe past populations of cases, not your case.

What that means practically is narrow but useful: filing is worth it on a bill of consequence, and the outcome is not knowable in advance. Anyone quoting you a personal probability is guessing. What appears consistently across reporting is that cases arriving with organized, complete, criteria-matched documentation fare differently than cases arriving as a one-page complaint — which is a statement about effort, not about odds.

A Worked Example (Illustrative Composite, Not a Real Person)

The following is a fictional composite built to show the sequence. It does not describe any real individual, plan, insurer, provider, or outcome, and it is not a prediction of what would happen in any actual case.

Marcus, 58, is admitted through the emergency department with pneumonia and a history of heart failure. He stays three nights. Six weeks later the plan denies the inpatient stay: the admission was “not medically necessary at the inpatient level of care; observation status would have been appropriate.” The hospital rebills what it can, and Marcus receives a balance of roughly $9,400.

Week 1. He requests the plan’s level-of-care criteria in writing, along with the specialty of the reviewing physician and the complete claim file. He also asks the hospital’s billing office to hold the account while an appeal is pending, and gets that hold confirmed by email.

Week 3. The criteria arrive. They are a commercial screening tool with specific thresholds — oxygen saturation levels, vital sign instability, comorbidity factors. Reading his own discharge summary against them, Marcus sees the tool’s thresholds were arguably met on the night of admission but that the plan’s reviewer appears to have looked only at the following morning’s numbers, after treatment had begun.

Week 5. The internal appeal goes out: a cover letter, the emergency department flowsheet showing the admission-night vitals, the attending’s note, and a two-page statement from the hospitalist walking through the plan’s own criteria item by item with times and values.

Week 11. The plan upholds the denial. The letter says “final” and describes external review rights in a paragraph near the end.

Week 12. Marcus files for external review. Because his employer’s plan is self-funded, the letter directs him to the federal process rather than his state DOI. He submits everything from the internal appeal plus one addition: published guidance on inpatient management of pneumonia in patients with heart failure.

Week 13. The preliminary review confirms eligibility — this is a medical judgment denial about level of care, squarely within scope. An IRO is assigned. Marcus uses the 10-business-day window to add the cardiology consult note that the hospital had filed separately.

Week 19. The IRO issues its decision. In this illustration, a pulmonologist reviewer concludes that inpatient admission was appropriate given the documented admission-night status, and overturns the denial. The plan reprocesses the claim at inpatient benefits. Marcus owes his inpatient cost sharing instead of the $9,400 balance, and the hospital releases the hold.

The point of the illustration is not the outcome, which no one can promise. It is the mechanism: the case turned on a timestamp already sitting in a record the reviewer had not seen, matched against a criteria document Marcus had to ask for.

Your External Review Checklist

This is the working list for an external review of a health insurance denial, and it assumes the internal appeal has already been decided. Copy it into a note and add dates as you go.

[ ] Write down the date on the final internal denial letter, and the date four months out. Both, on the same line.
[ ] Confirm the denial is a medical judgment or rescission, not a contract exclusion or eligibility question.
[ ] Find the external review instructions in the denial letter. Note the filing address, phone number, and form.
[ ] Determine whether your plan is self-funded (federal process) or fully insured (state program). Ask HR if you are not sure.
[ ] Request in writing: the clinical criteria applied, the reviewer’s credentials and specialty, and the complete claim file.
[ ] Ask your treating physician for a statement written against those criteria, point by point, with dates and values.
[ ] Collect records from every provider involved, including practices outside your main doctor’s system.
[ ] Decide whether the situation is urgent. If yes, request expedited handling immediately by phone and confirm in writing.
[ ] Sign the medical records authorization. Nothing moves without it.
[ ] Assemble the package behind a one-page cover letter with the claim number on every page.
[ ] File with delivery tracking, well before the four-month mark. Keep an exact copy.
[ ] Calendar the preliminary review date and the 45-day decision date.
[ ] Watch for the 10-business-day evidence window after IRO assignment and use it if anything is missing.
[ ] Ask the provider’s billing office to hold the account while the review is pending, and get that in writing.
[ ] Log every call: date, name, reference number, what was said. Send a short email summarizing important calls.

Where to Get Free, Unbiased Help

You do not have to assemble an external review of a health insurance denial by yourself. None of the following charge consumers, and none of them are selling anything.

Your state Department of Insurance (DOI). For fully insured and individual-market coverage, the DOI both takes complaints and, in most states, runs the external review program itself. Staff will tell you in one call whether they have jurisdiction over your plan. The National Association of Insurance Commissioners maintains a directory of every state’s department at naic.org.
State Consumer Assistance Programs (CAPs). Where they exist, CAP staff help consumers read denial letters, file appeals, and prepare external review requests directly. HealthCare.gov lists them among its consumer help resources.
HHS and CMS external review resources. The federal process has its own request line and forms for plans that use it, described on the CMS appeals page cited above. Marketplace enrollees can also call the HealthCare.gov consumer line.
The Employee Benefits Security Administration (EBSA) at the U.S. Department of Labor, for employer-plan questions and ERISA claims procedure complaints. Benefits advisors take calls at 1-866-444-3272; start at dol.gov/agencies/ebsa.
Hospital financial counselors and patient advocates. Many hospitals employ staff whose job is helping patients with coverage disputes involving that hospital’s own bills.
Medicare and Medicaid channels. State Health Insurance Assistance Programs counsel Medicare beneficiaries free of charge, and Medicaid enrollees have a right to a state fair hearing. Both systems are separate from the ACA external review process.

If the underlying bill came from an emergency room or from an out-of-network clinician working inside an in-network hospital, check the federal surprise-billing rules before assuming an appeal is the right tool at all — our piece on the federal protections against surprise bills explains when the amount you are being charged is prohibited outright.

Frequently Asked Questions

How long do I have to request an external review?

Generally 4 months from the date on the final internal denial notice. If the deadline falls on a weekend or federal holiday, it usually moves to the next business day. Some state programs allow more time; none may allow less than the federal floor.

Does an external review cost me anything?

In the federal process, no. State programs are free or capped at a small filing fee, commonly $25 or less, frequently waived for financial hardship and refunded if the denial is overturned. No program may charge an amount that discourages filing.

Can I skip the internal appeal and go straight to external review?

In two situations. When the case is urgent, you may file for expedited external review at the same time as the expedited internal appeal. And when the plan fails to follow its own claims procedures in a way that is more than trivial, you may treat the internal process as exhausted. Otherwise, the internal appeal comes first.

Is the IRO decision really binding on my plan?

Yes. If the IRO overturns the denial, the plan must provide coverage or payment without further internal review. That obligation is the defining feature of the process and the reason it differs from filing a complaint.

What if the IRO upholds the denial?

The administrative process ends there. For an ERISA employer plan, a court action becomes the remaining option, and courts generally review only the record built during the appeal. Separately, the bill can still be addressed on its own terms through itemization review, financial assistance, or negotiation.

My denial says the service is excluded from my plan. Can an IRO overturn that?

Generally not, if the exclusion is genuine and applies to everyone under that contract, because the reviewer applies your plan’s terms rather than rewriting them. But confirm the wording first. Plans sometimes describe a medical necessity decision in exclusion language, and a necessity decision is reviewable. Request the criteria document; if one exists for that service, the denial was a clinical judgment.

Who pays the independent reviewer, and doesn’t that create a bias?

The plan or the state program pays the IRO, but the federal standards are built around removing the incentive: the IRO cannot be affiliated with the insurer, cannot be paid based on the outcome, and its accreditation depends on maintaining conflict-of-interest safeguards. Reviewers are assigned rather than chosen by the plan.

Can my doctor request the external review for me?

Yes, with your written authorization, and in urgent cases a treating physician can often request expedited review directly. You remain the claimant and the deadline remains yours, so confirm in writing that the request was actually filed and get a copy.

How do I know whether my state or the federal government handles my review?

Start with the final denial letter, which is required to tell you where to file. Fully insured and individual-market plans usually go through the state program; self-funded employer plans usually go through the federal process. If the letter is unclear, one call to your state Department of Insurance settles it.

Will filing an external review stop the provider from sending my bill to collections?

Not automatically. The review addresses whether the plan must pay; it does not pause the provider’s billing cycle. Call the billing office, explain that an external review is pending, and ask for a hold on the account in writing. Many offices agree, but you have to ask.

Does a rescission of my coverage qualify?

Yes. A rescission — a retroactive cancellation of coverage — is expressly eligible for external review even though it involves no clinical question. Rescissions are tightly limited by federal law and generally permitted only for fraud or intentional misrepresentation of a material fact.

What if my plan ignores the IRO decision?

Report it. For a self-funded employer plan, contact EBSA at the Department of Labor. For a state-regulated plan, file a complaint with your state Department of Insurance. Noncompliance with a binding external review decision is a serious regulatory matter, and both agencies treat it that way.

Final Thoughts

An external review of a health insurance denial is a right that costs almost nothing to use and that a large majority of people who hold it never touch. The reason is rarely apathy. It is that the final denial letter is written to sound like a conclusion, and the paragraph explaining that it is not sits below the fold. Do three things this week if you are holding one of those letters. Check the date and count four months forward. Confirm the denial turns on a clinical judgment rather than a contract exclusion. Ask the plan, in writing, for the criteria it used and the complete file. Those three steps take an afternoon, and they put you in position to file something an independent reviewer can actually act on rather than a letter explaining that you are frustrated. The reviewer is not on anyone’s side. That is the whole point, and it is the only stage of this process where that is true.

This article is for general informational purposes only and does not constitute medical, legal, insurance, or financial advice. It is not an evaluation of any individual claim or bill. Health coverage rules, appeal rights, billing protections, and assistance programs vary by plan, by state, and by individual circumstance, and they change over time. This site is independently operated. It is not an insurance company, broker, or advisor, a healthcare provider, a law firm, a government agency, or an advocacy organization, and it does not represent anyone. Reading this article creates no professional relationship of any kind. Always confirm current requirements with your plan documents, a licensed professional in your state, or the official government sources cited above before making any decision.

External Review of a Health Insurance Denial: The Step Most People Skip