Is it safe to send my sample in the mail? November 01, 2021 22:14 Updated Pixel by LabcorpⓇ provides detailed instructions for the collection and transport of your sample. Your kit contains the appropriate shipping materials to safely send your sample to our lab. Related articles How long does it take to get COVID-19 or COVID-19 + Flu test results back? How long is my sample stable for testing? What happens if I don’t collect my sample correctly? What information will be included on my COVID-19 report? How deep do I need to go in my nostril to collect the sample?