Credentialing Glossary

Appeal

insurance

Definition

A formal request by a provider or patient to an insurance payer to reconsider a denied claim or coverage decision, providing additional documentation or rationale for why the service should be covered.

Extended Explanation

An appeal is a formal request to a payer to reconsider a claim denial or an adverse coverage decision. If a payer denies a claim, reduces payment, or denies prior authorization, you have the right to appeal that decision. Every payer has an appeal process defined in your participation agreement and in the member's plan document. The process typically involves submitting a written appeal with supporting documentation that addresses the specific reason for the denial. This might include additional clinical notes, peer-reviewed literature supporting the medical necessity of the service, or documentation showing that the original claim was submitted correctly. There are usually multiple levels of appeal. The first level is an internal appeal reviewed by the payer's own staff. If the first-level appeal is denied, you can request a second-level appeal, which is typically reviewed by a medical director or physician reviewer. If internal appeals are exhausted and the denial is upheld, many states allow an external review by an independent third party. For Medicare claims, the appeal process has five levels: redetermination by the MAC, reconsideration by a Qualified Independent Contractor, hearing before an Administrative Law Judge, review by the Medicare Appeals Council, and judicial review in federal court. Timely filing is critical for appeals. Most payers require appeals to be filed within 60 to 90 days of the denial. Missing the deadline means you lose the right to appeal. Set up a system to track denials, flag those that should be appealed, and ensure appeals are filed within the deadline. Appealing denials is worth the effort. Industry data shows that a significant percentage of denied claims are overturned on appeal, especially when the denial was based on insufficient documentation rather than a lack of coverage.
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