For educational purposes only

Why Insurance Claims Get Denied

Clear, state-specific explainers to help you understand denial letters and discover common next steps.

  • State-specific explanations
  • Based on real denial reasons
  • Independent informational resource

Start With the Tools

If you have a denial letter in hand, start with the Denial Letter Analyzer to identify the denial reason, missing documents, deadlines, and likely next steps. When you are ready to submit, move to the Appeal Letter Generator.

Best first step

Insurance Claim Denied?

Upload or paste your denial letter to identify denial reasons, missing documents, deadlines, and next steps.

When you are ready to submit

Ready to Appeal?

Generate a professional insurance appeal letter in minutes.

Start here: high-intent guides

If you just got a denial letter, these guides walk you through the fastest next steps—what to request, what to write, and how to keep deadlines safe.

Browse all guides

Guides by State

California

Florida

Georgia

Illinois

Michigan

New Jersey

New York

North Carolina

Ohio

Pennsylvania

Texas

Virginia

Common Reasons Insurance Claims Are Denied

  • Missing documentation
  • Coverage exclusions
  • Policy lapse
  • Disputed liability
  • Medical necessity reviews
  • Timely filing issues

How These Guides Are Organized

WhyClaimDenied is a reference library of state-specific explainers for common insurance claim denials. Each state guide starts with a simple overview and links to focused pages for individual denial reasons. The goal is to help you translate the wording in a denial letter into the questions that typically matter next—what coverage applies, what documents are missing, and what timelines or review steps may exist. The site is designed for educational use and does not provide legal or financial advice.