Whether shipping domestically within the U.S. or internationally, the air transport of DNA samples is subject to specific packing, packaging, and labeling requirements.

Please do not return your DNA sample if you have not yet registered your 3X4 Kit Code.

Shipping from outside the continental U.S.?

If you are returning your sample from outside the continental U.S., please ensure you follow our instructions for your shipment: International shipping options.

Packaging & Labelling Instructions

Important Notice: Shipping of DNA samples is regulated. Please carefully follow all of the steps below.

1. Primary Packaging

Each DNA sample collection vial must be packed inside a leakproof bag containing an absorbent pad.

The 3X4 kit includes a small mylar bag with an absorbent pad. Please ensure the vial is tightly sealed and the bag is securely closed.

2. Secondary Packaging

All vials must be placed inside a suitable, rigid outer container with at least one dimension greater than 4 inches / 10 cm

You may use the cardboard tube from your 3X4 kit.

3. Labeling Requirement

The shipment must be clearly marked with the words "EXEMPT HUMAN SPECIMEN."

This can be handwritten on the box or shipping bag/envelope, or printed on the shipping label.

3X4 Lab Shipping Address

Do not ship your sample to our lab until you have registered your 3X4 Kit Code.

Company Name	Tempus AI
Recipient	Attn: 3x4_Custom_Affy
Contact Number	+1 770 542 0890
Street Address	3100 Northwoods Place NW
Suite / Apt No.	STE F
City	Norcross / Peachtree Corners
Zip Code	30071 / 30071-1584
State	GA (Georgia)
Country	US (United States)