Insurance denial resources

A claim denial isn't the end of the road — most people just never appeal. These plain-English guides explain what your denial means, what your rights are, and exactly what to do next.

Your claim was denied — what to do next

The complete, step-by-step playbook from denial letter to filed appeal.

Do appeals actually work?

The numbers: how often denials get overturned, and why so few people try.

Appeal deadlines & how long you have

The clock starts at the denial date. Internal vs. external review timelines, by state.

Internal vs. external review

The two levels of appeal, what's binding, and what happens if you lose the first.

Insurance appeal glossary

EOB, prior auth, medical necessity, step therapy, IRO — defined in plain English.

Types of denials

Medical necessity, prior auth, step therapy and more — and how to beat each.

Appeal rights by state

Your deadlines, external-review process, and protections where you live.

Appeal guides by insurer

How each major insurer's appeal process works, with their own policies.

Ready to fight your denial?

CareCost Appeals turns your denial into a formal, evidence-backed appeal letter — citing your insurer's own policy, real clinical evidence, and your state's rules.

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