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sample collection Instructions

Buccal swab collection

Follow the steps to collect the sample with the kit sponge on your lower gums and preserve the quality of the DNA.

See step by step

Does your test use another sample type?

These steps apply to the buccal swab kit. For blood or another requested sample type, ask our team for the instructions for your test before collecting it.

Request instructions for another sample type

Before you start

Prepare sample collection.

Good sample collection avoids contamination, reduces the need for a new sample and increases the quality of the DNA. In just a few minutes, you can prepare, collect and send it, without leaving home.

Clean your hands well

Only handle the kit after cleaning and drying your hands.

30 minutes before sample collection

Do not eat, drink, smoke, chew gum, brush your teeth or use mouthwash.

Identify your sample collection

Set aside the label with your name and date of birth. You will stick it on the tube right after opening the pouch.

Fill out and sign

Complete and sign the consent form sent with the kit.

Takes up to five minutes

Sample collection, step by step.

1 min 22 s video with music and no narration; the on-screen text is in Portuguese. Before collecting, read the precautions just below. All the steps are also written out on this page.

Safety during collection

Place the sponge in your mouth carefully: there is a choking hazard. Do not swallow the liquid in the tube; if it gets in your eyes or on your skin, rinse with water.

  1. 01 A finger stopping before it touches the collector sponge, with a prohibition sign, next to the open pouch

    Open the pouch, take out the collector by holding the tube, without touching the sponge, and stick the label with your name on the tube.

  2. 02 Sponge being rubbed on the lower gums, at the back of the mouth

    Place the sponge on one side of your mouth, as far back as is comfortable, and gently rub your lower gums 10 times, avoiding your teeth.

  3. 03 Sponge being rubbed on the lower gums on the other side of the mouth

    Repeat on the other side of your mouth: 10 more times on the lower gums.

  4. 04 Blue cap being unscrewed with the tube upright

    Keeping the tube upright, unscrew the blue cap without touching the sponge.

  5. 05 Cap turned upside down, with the sponge going into the tube

    Turn the cap upside down, put the sponge into the tube and close it tightly.

  6. 06 Closed tube being shaken upside down

    Turn the closed tube upside down and shake it vigorously 15 times.

After sample collection

Check before sending.

A quick check helps maintain sample traceability and avoids processing delays.

  1. Check that the cap is tightly closed and that the tube has the label with your name.

  2. Put the tube in the plastic bag and the bag in the box, together with the completed and signed consent form.

  3. Keep the box at room temperature. Do not put it in the refrigerator.

  4. Get in touch to schedule kit pickup.

Need help?

Ask your questions before collecting.

Our team can guide the preparation, identification and sending of the sample.

Speak to the team