You can follow your sample's journey to the lab two ways: through automatic notifications sent to you at key milestones, and through the tracking number printed on your prepaid return mailer. This article explains both methods and what to do if tracking stalls.

You will receive two notifications automatically as your sample travels to the lab:

After these two notifications, the next update you will receive is that your results are ready to view.

Your prepaid return mailer has a tracking number printed on the return label. You can use this tracking number to check your shipment's status at any time, the same way you tracked your original kit delivery.

Before you drop off your return shipment, note the tracking number or take a photo of the return label. If anything goes wrong in transit, that tracking number is the fastest way for the support team to investigate your shipment.

If your return tracking shows no movement for several days, or if you shipped your sample but never received the "sample received by lab" notification, contact the support team right away.

Samples have stability limits — meaning there is a maximum amount of time after collection during which a sample can still be reliably analyzed. The sooner a delayed shipment is flagged, the more options are available. If your sample is lost in transit, a free replacement kit will be sent on the same order.

Reach the support team through chat with your Kit ID and return tracking number. Include the date you shipped your sample so the team can assess whether timing is a concern.