DenyBack Blog

Practical guides to help you fight health insurance denials and get the coverage you paid for.

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Or keep reading. The guides below walk through the process step by step.

May 25, 2026 · ~10 minute read

Medicare Advantage External Review (IRE Reconsideration): 2026 Template

What to send the IRE after a Level 1 Medicare Advantage denial in 2026, including the Maximus to C2C contractor switch and a supplemental evidence template.

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May 25, 2026 · ~9 minute read

naviHealth, nH Predict, and the UnitedHealth lawsuit: what it means for your Medicare Advantage appeal

A federal court ordered UnitedHealth to disclose internal documents on its nH Predict algorithm in March 2026. Here's what the lawsuit alleges, how to spot algorithmic denial in your own MA letter, and what to put in your appeal if an algorithm cut your care short.

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May 25, 2026 · ~10 minute read

How to appeal a Medicare Advantage prior authorization denial in 2026

Medicare Advantage prior-auth denials feel final, but 80.7% of appeals win. The complete CMS appeals process, the informal escalation tools that compound it, and the deadlines that catch most people off guard.

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March 15, 2025

How to Appeal a Health Insurance Denial: A Complete Step-by-Step Guide

Learn the full appeals process from reading your denial letter to requesting external review. Deadlines, templates, and escalation strategies that actually work.

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March 22, 2025

Insurance Denied Your MRI? Here's Exactly What to Do

Why insurers deny MRIs, how to argue medical necessity using clinical guidelines, and how to get your imaging approved on appeal.

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April 1, 2025

How to File a Complaint with Your State Insurance Commissioner

When and how to escalate to your state's Department of Insurance. What information you need, how to file, and why insurers take commissioner complaints seriously.

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April 10, 2025

Your Insurance Company Denied Your Claim — Here's How to Fight Back

450 million health insurance denials happen every year, but the majority of appealed denials get overturned. Here's the step-by-step escalation process most people never learn.

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April 18, 2025

Health Insurance Appeal Letter: What to Include and How to Write One That Works

The anatomy of an effective appeal letter, common mistakes to avoid, and why state-specific statutes matter more than generic templates.

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