When an ERISA claim gets denied, many people understandably focus on the denial letter itself: the insurer said no, the appeal failed, and now the dispute seems to be about benefits. But some ERISA cases involve something broader than a single bad claim decision. In some situations, the real issue may include fiduciary breach — meaning a plan fiduciary may have mishandled plan administration, acted under a conflict, made misleading statements, or failed to operate the plan solely in participants’ interests under ERISA’s fiduciary standards.
That distinction can matter. A straightforward denial-of-benefits case often asks whether benefits were due under the plan terms. A fiduciary-breach theory may focus instead on how the plan was run, how discretion was used, what participants were told, and whether the people managing the process acted loyally and prudently under ERISA’s fiduciary duty statute, 29 U.S.C. § 1104.
In this post you’ll learn how to spot the difference, what facts sometimes point beyond a routine denial, and when a broader review of plan conduct may be worth discussing with counsel. If you want more background on the underlying concepts, this overview of how fiduciary-duty issues can arise through plan mismanagement, conflicts, and benefit administration failures can help frame the bigger picture.
<aside> 💡 Scroll to the bottom for every post in this series.
</aside>
ERISA gives participants a way to sue for benefits due under a plan, and it also provides separate civil-enforcement paths for certain fiduciary violations under 29 U.S.C. § 1132. In broad terms, a denial claim often asks: “Did the plan owe this benefit?” A fiduciary-breach claim often asks: “Did the people running or administering the plan violate duties of loyalty, prudence, or honest plan administration?”
That difference has practical consequences. The evidence may be different. The legal theories may be different. The remedies can also differ. In Varity Corp. v. Howe, the U.S. Supreme Court recognized that intentional misrepresentations made in a plan-administration context can support fiduciary liability under ERISA. And in CIGNA Corp. v. Amara, the Court explained that certain forms of equitable relief may be available in appropriate fiduciary-breach cases, rather than only a claim for plan benefits.
For people dealing with a denial, that often means the case may not be limited to whether the medical file technically supported payment on one date. Sometimes the bigger issue is whether the process itself was distorted.
A wrongful denial case usually centers on a participant’s right to benefits under the written plan terms. ERISA’s claims-procedure statute requires plans to provide written notice of the specific reasons for a denial and a reasonable opportunity for a full and fair review on appeal under 29 U.S.C. § 1133.
Typical denial-of-benefits issues may include:
That last point matters because many ERISA disputes involve an entity that both decides claims and pays them. In Metropolitan Life v. Glenn, the Supreme Court explained that this dual role creates a conflict of interest that courts may weigh when reviewing a benefits decision. A conflict alone does not automatically create a separate fiduciary-breach claim, but it can be an important clue that the case may involve more than an isolated denial if the surrounding facts show a broader pattern of self-interested administration.
ERISA fiduciaries generally include people or entities with discretionary authority over plan management, plan assets, or plan administration. The Department of Labor explains that fiduciaries are expected to run plans solely in the interest of participants and beneficiaries and for the exclusive purpose of providing benefits and paying reasonable plan expenses, while acting prudently and following plan documents insofar as those documents are consistent with ERISA’s requirements, according to the DOL’s guidance on fiduciary responsibilities.