LabCorp and the other providers of at-home testing actually went to the trouble of demonstrating that their at-home collection process worked and wouldn't affe

LabCorp and the other providers of at-home testing actually went to the trouble of demonstrating that their at-home collection process worked and wouldn't affect reliablity, and then getting authorization from the FDA. This study didn't - they used an FDA exemption which specifically did not apply to at-home testing.