https://ift.tt/2wwdHAe The Results of Your Genetic Test Are Reassuring. But That Can Change. Tests (Medical), Genetics and Heredity, Laboratories and Scientific Equipment Laboratories frequently “reclassify” genetic mutations. But there is no reliable system for telling patients or doctors that the results of their genetic tests are no longer valid. GINA KOLATA https://ift.tt/2OuToMg October 16, 2018 at 05:30AM