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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 →New guides every Monday — written for real patients and HR teams, not lawyers.
Learn how to successfully appeal an insurance denied MRI with our step-by-step guide and tips.
Read guide →Learn how to successfully appeal your mental health therapy insurance denial in 180 days with an 82% success r…
Read guide →Discover how to appeal a prior authorization denial and improve your chances of success. Learn the steps and t…
Read guide →Learn how to appeal a GLP-1 insurance denial, with an 82% success rate and a 180-day time limit.
Read guide →Learn how to dispute a hospital bill error effectively. Discover your rights and the appeal process.
Read guide →Learn how to appeal denied ER bills from out-of-network providers. Success rate is 82% within 180 days.
Read guide →Learn how to appeal an insurance denial for specialty drugs with an 82% success rate. Act within 180 days.
Read guide →Learn how to write an effective insurance denied MRI appeal letter. Boost your chances of approval with our ex…
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 →Free newsletter for HR leaders
Denial rate benchmarks, ROI data, and HR tactics every Monday. Used by benefits managers at companies from 50 to 10,000 employees.
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.