Foundational Guides
Start here if you're new to the insurance appeal process.
Understanding Your Insurance Denial Letter
What every denial must legally contain, how to read denial codes, and what missing information means for your appeal.
The Internal Appeal Process: A Step-by-Step Guide
How to file a formal internal appeal, what documentation you need, timelines to know, and how to track your case.
External Review: Your Independent Appeal Right
When you can request independent external review, how it works, what organizations handle it, and success rates by denial type.
Common Denial Types
Targeted guides for the most common reasons insurers deny claims.
Prior Authorization Appeals: Win Rate 60%+
The most common — and most winnable — denial type. Strategies, template language, and regulatory citations.
Medical Necessity Appeals: Countering with Evidence
How insurers define medical necessity, how to counter with clinical guidelines, and what physicians need to document.
Out-of-Network Appeals and the No Surprises Act
Emergency and non-emergency OON denials, federal protections, and how to invoke the No Surprises Act.
Billing and Coding Error Appeals
How to identify coding errors, get corrected claims filed, and appeal denials caused by administrative mistakes.
Experimental Treatment Appeals
How to challenge "experimental" denials using FDA approval status, clinical trials, and NCCN guidelines.
Step Therapy (Fail-First) Appeals
How to get a step therapy exception when you need a specific treatment and can't try alternatives first.
Specialty Denial Types
Mental Health & Substance Use Disorder Appeals
Using the Mental Health Parity Act (MHPAEA) to challenge discriminatory denials of mental health coverage.
Prescription Drug Denial Appeals
Non-formulary medications, step therapy for drugs, and how to get a formulary exception approved.
Durable Medical Equipment (DME) Appeals
Appeals for wheelchairs, CPAP machines, prosthetics, and other medical equipment denials.
Emergency Care Denial Appeals
Federal law strongly protects emergency care. How to fight back when insurers improperly deny emergency claims.
Specialist Referral Denial Appeals
When your insurer denies a specialist referral, what your rights are, and how to get access to the care you need.
Hospital Discharge Appeals (Premature Discharge)
Your rights when an insurer demands hospital discharge before your doctor says you're ready.
Government Program Appeals
ERISA Appeals: Employer Plan Appeal Rights
The federal law that governs employer-sponsored health plans and what it means for your appeal rights.
Medicare Appeals: All 5 Levels Explained
From redetermination to Federal court — complete guide to the Medicare appeal process for Parts A, B, C, and D.
Medicaid Appeals and Fair Hearings
How to appeal Medicaid denials, request a state fair hearing, and navigate managed care organization appeals.