Why escalation options exist
Insurance denials and appeals aren't purely internal, private matters between you and your insurer — there's a layer of external oversight built into the system specifically because insurers have an obvious conflict of interest in reviewing their own denials. Knowing these options exist matters most after you've been through your plan's internal appeal process, covered in our guides on what a successful appeal campaign looks like and how to write an appeal letter.
External (independent) review
Most health plans are required to offer an external review once internal appeals are exhausted — a review conducted by an independent third party with no financial relationship to your insurer. This is often underused simply because people don't realize it's available or assume the fight is over after an internal denial. External review decisions are typically binding on the insurer, making this one of the more powerful tools available to patients.
Your state insurance commissioner or department of insurance
Every state has an insurance regulatory body that oversees fully-insured health plans (see our guide on state coverage mandates for the fully-insured vs. self-funded distinction, which matters here too). These offices typically accept consumer complaints about denied claims, delayed prior authorizations, or insurer conduct, and can investigate patterns of improper denial — even if they can't force coverage of an excluded benefit outright.
The Department of Labor (for self-funded employer plans)
Self-funded plans, regulated under ERISA rather than state insurance law, fall under federal Department of Labor oversight instead of your state insurance commissioner. If your employer plan denies a claim improperly (as opposed to simply excluding a benefit category, which is generally permitted), this is the more relevant federal avenue.