On April 12, 2019, in
Estate of Graber v. Dillon Companies, the Kansas Supreme Court ruled that a worker’s injuries from a fall down a workplace stairway—where the cause of the fall was unknown—did not arise from an “idiopathic cause” to preclude compensability under workers compensation. In an issue of first impression, the court clarified that noncompensable injuries from “idiopathic causes” are medical conditions or medical events of unknown origin that are peculiar to an injured individual, as opposed to a broader interpretation that would exclude injuries from
all unknown causes.
In this case, the court found that, absent evidence to the contrary, the worker’s injury could not be excluded as idiopathic solely based on the fact that the cause of the fall was unknown.
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