|Important: You must provide your sample and return your collection kit from the same country to which your kit was shipped by 23andMe.|
If you are mailing your sample within the United States, your kit came shrink-wrapped with the prepaid shipping label affixed on the under-side of the box.
Before preparing your sample for shipment, you will need to register your sample collection tube and replace the funnel lid with the screw-on cap. Your saliva sample is stable at a wide range of temperatures once it is mixed with the DNA stabilization buffer liquid, but we recommend that you ship your collected sample to the laboratory at your earliest convenience.
A return tracking link will be available from the sample status progress bar on your profile homepage. You may also choose to note the return tracking number located on the bottom of the shipping label: