WASHINGTON, June 4 (TNSFR) -- The U.S. Department of Health and Human Services Food and Drug Administration has issued a final order classifying the von Willebrand factor assay as a Class II medical device subject to special controls, creating a regulatory framework for diagnostic tests used in the evaluation and management of bleeding disorders. The action takes effect June 1, 2026, and codifies a classification that became applicable on Sept. 29, 2022. FDA said the classification provides reas . . .

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