If your long-term disability benefits were approved and then suddenly questioned, one of the most important places to look is the definition of disability in the policy or plan. Many claims begin under an own-occupation standard and later move to an any-occupation standard. That change can quietly reshape the entire case.
In practical terms, the issue is not just whether a person is sick or injured. The issue often becomes what kind of work the insurer says that person can still do, how that work is defined, and what proof is used to support that conclusion. In many ERISA-governed disability cases, that shift becomes the turning point between continued benefits and termination.
This post explains what the definition shift is, why it matters so much, what insurers often look for during the transition, and where legal disputes tend to develop. If you want a broader foundation on employer benefit disputes, this more complete guide to ERISA disability, health-plan appeals, external review, and COBRA issues may help frame the bigger picture.
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At a high level, own-occupation usually asks whether you can perform the material duties of the occupation you were doing when disability began. Any-occupation usually asks whether you can perform some other occupation the policy considers suitable based on factors like education, training, experience, and sometimes earnings level.
Major insurers openly describe long-term disability policies as using one or both of these definitions, and sample benefit materials commonly show a structure where the plan uses an own-occupation definition for a limited period—often 24 months—and an any-occupation definition after that period ends. MetLife and Guardian both describe these as common LTD policy frameworks, and MetLife sample schedule materials show the familiar “24-month own occupation, any occupation thereafter” design in actual benefit schedules.
That sounds simple. In reality, it is where many disputes begin.
Under own-occupation, a claimant may be able to show disability by proving they cannot reliably perform the duties of their regular job as it is defined under the policy. Under any-occupation, the argument often broadens into a vocational debate about whether the claimant can perform other work in the economy, sometimes with additional questions about pay level or “gainful” employment. The exact wording varies widely from one policy to another, which is why the policy language itself often matters more than general assumptions about how disability coverage works. The Department of Labor’s claims-procedure resources also emphasize that ERISA disability claims are governed by plan terms and procedural rules, not just broad fairness concepts.
If you want a more introductory walkthrough of the core definition fight itself, this plain-language explainer on why the disability definition becomes the center of many LTD disputes goes deeper into the basics.
The shift matters because it changes the question being asked.
Early in the claim, the dispute may focus on whether you can still do your job. Later, the dispute may focus on whether you can do some job.
That is a dramatic change. A surgeon with a hand impairment, a trial lawyer with severe cognitive fatigue, or a construction supervisor with restrictions on standing, walking, climbing, and concentration may be unable to perform their prior occupation while still being accused of being capable of some other work. Whether that accusation holds up often depends on the policy language, the medical record, the vocational analysis, and how accurately the insurer describes both the old occupation and the proposed new one.
This is also why cases often feel confusing to claimants. The medical condition may not have improved at all. The benefits may still stop anyway because the plan’s definition changed.
In ERISA cases, that change does not happen in a vacuum. The claims process is governed by federal procedural requirements. The Department of Labor explains that disability claimants are entitled to a full and fair review, including access to relevant information and the identification of medical or vocational experts whose advice was obtained during an adverse determination. The agency also states that, before a final adverse decision on appeal, disability claimants are entitled to review and respond to new evidence or rationales developed by the plan during the appeal process. See the DOL benefit claims procedure FAQs, the DOL filing-a-claim guide, and the DOL summary of disability claims protections.
That procedural layer matters because many definition-shift disputes are not really about one dramatic medical event. They are about paperwork, vocational framing, and whether the file tells the right functional story before the cutoff arrives.
A large number of group LTD policies use own-occupation language for the first 24 months of benefits and then transition to any-occupation language. That 24-month structure appears frequently in insurer descriptions and sample schedules, including MetLife’s LTD materials. Other policies use different timelines, and some use different formulations of “regular occupation,” “gainful occupation,” or “reasonable occupation.”