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Step-by-step guides on how to appeal insurance denials, write appeal letters, dispute medical bills, and understand your rights. 82% of properly filed appeals succeed. Whether you just received a denial letter or are reviewing a medical bill, these guides give you the information you need to fight back.
To appeal a health insurance denial, you must file a written internal appeal within your insurer's deadline (usually 180 days from the denial date), include a letter of medical necessity from your doctor that directly ad...
Read full guide →If insurance just denied your claim, take these four steps immediately: (1) read the denial letter word for word to find the exact denial reason and d...
Read guide →A winning insurance appeal letter must do four things: state clearly what was denied and why you're appealing, directly address the insurer's specific...
Read guide →Federal law requires insurers to respond to urgent (expedited) care appeals within 72 hours and standard appeals within 30 days. External appeals thro...
Read guide →80% of medical bills contain at least one error, according to a 2021 Medical Billing Advocates of America report. The most common errors are duplicate...
Read guide →To dispute a medical bill, start by requesting a complete itemized bill and comparing it line by line against your Explanation of Benefits (EOB) from ...
Read guide →In-depth guides for the most commonly denied treatments, with step-by-step appeal instructions and legal citations.
Insurance denied your GLP-1 medication? Learn how to appeal Ozempic, Wegovy, Mounjaro, and Zepbound denials with clinical evidence and a fast appeal workflow.
Open guide →MRI or CT scan denied by insurance? Learn the fastest path to appeal an imaging denial, gather the right clinical records, and request review before treatment is delayed.
Open guide →Mental health treatment denied by insurance? Appeal therapy, psychiatric, or inpatient denials with a patient-friendly guide focused on medical necessity and parity protections.
Open guide →Cancer treatment denied by insurance? Learn how to appeal chemotherapy, radiation, infusion, and specialty drug denials with a medically focused appeal strategy.
Open guide →Every state has its own regulators, complaint paths, and insurer denial patterns.
1,450,000 estimated annual denials — 22.3% average denial rate.
Open page →1,200,000 estimated annual denials — 25.1% average denial rate.
Open page →890,000 estimated annual denials — 15.2% average denial rate.
Open page →890,000 estimated annual denials — 14.1% average denial rate.
Open page →640,000 estimated annual denials — 18.4% average denial rate.
Open page →590,000 estimated annual denials — 19.1% average denial rate.
Open page →If you are dealing with a specific insurer, these reports show denial patterns and overturn rates.
34.6% denial rate — 58% of appeals overturned.
Open report →33.1% denial rate — 61% of appeals overturned.
Open report →32.5% denial rate — 57% of appeals overturned.
Open report →27.8% denial rate — 64% of appeals overturned.
Open report →disputes.health generates your appeal letter in minutes. Upload your denial letter, answer a few questions, and get a clinic-grade appeal ready to send.