Appealing a UnitedHealthcare Denial Under ERISA
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By AppealArmor | March 24, 2026 | 9 min read
If you get health insurance through your employer and UnitedHealthcare denied your claim, your appeal is governed by ERISA, the Employee Retirement Income Security Act. ERISA creates both protections and limitations that are different from individual or marketplace plans. Understanding these rules is essential for a successful appeal.
Does ERISA Apply to Your Plan?
ERISA applies to most employer-sponsored health plans in the private sector. It does not apply to:
- Government employee plans (federal, state, local)
- Church plans
- Individual marketplace plans purchased through Healthcare.gov
- Medicare Advantage plans (governed by CMS rules instead)
If you get insurance through a private employer, ERISA almost certainly applies. Check your Summary Plan Description (SPD) or call your HR department to confirm.
Your ERISA Rights When UHC Denies a Claim
ERISA Section 503 and DOL regulations (29 CFR 2560.503-1) give you specific rights:
- Written explanation: UHC must provide a detailed written denial including the specific reason, the plan provision relied upon, and what additional information could reverse the denial
- 180 days to appeal: You have at least 180 days from receiving the denial to file your first-level appeal
- Full claim file access: You have the right to request and receive your complete claim file, including all documents and records used to make the denial decision
- Two levels of appeal: Most UHC ERISA plans provide two levels of internal appeal before you exhaust administrative remedies
- External review: After exhausting internal appeals, you can request an independent external review
- Federal court access: If all appeals fail, you can file a lawsuit in federal court under ERISA Section 502(a)
Critical ERISA Warning
Under ERISA, you must exhaust all internal appeals before going to court. If you skip the internal appeal process, a judge will dismiss your case. Additionally, ERISA courts typically limit their review to the "administrative record," meaning only the evidence you submitted during the appeal process. You cannot introduce new evidence in court that you did not include in your appeal. This makes your appeal letter and supporting documentation critically important.
The UHC ERISA Appeal Process
Building an ERISA-Proof Appeal
Because ERISA courts review only the administrative record, treat your appeal as if you are building a trial record:
- Include every piece of supporting evidence in your appeal, not just the highlights
- Cite the specific plan language that requires coverage
- Reference ERISA Section 503 and the DOL claims procedure regulations by name
- Note any procedural violations by UHC (late response, failure to provide claim file, non-specialist reviewer)
- Request that UHC identify the specific clinical criteria used and the qualifications of the reviewer
When UHC Violates ERISA Procedures
If UHC fails to follow ERISA procedures (misses response deadlines, fails to provide the claim file, does not explain the denial with specificity), you may be deemed to have "exhausted" administrative remedies and can proceed directly to federal court. Document any procedural failure in writing and include it in your appeal file.
Ready to Fight Your Denial?
For employer plans, AppealArmor drafts the appeal and quotes the federal claims-procedure rule (29 CFR 2560.503-1). It does not cite UHC medical policies.
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