How to Pass Mouth Swab Test?

Oral swab sampling method Sampling is a simple, painless, non-invasive method for DNA specimen collection. The method is applicable to DNA samples of any age group.

        Tool and raw materials:

Sampling swab set (sampling swab set contains sampling swab, cell preservation solution, informed consent, barcode, return bag)


       1、Open the set box, two oral swabs, used to collect the oral mucosal cells of the cheeks; two sample collection tubes, used to collect the oral mucosal cells stored in the cheeks; one sample return bag, special barcode (need to check the barcode and The outer packaging, return bag, and cell preservation solution sampling tube have the same barcode).

        2、Fill in the content of the informed consent form, requiring the content to be accurate and complete; paste the barcode in the designated position. (gargle three times with water, spit it out) 30 minutes before sampling, remember not to eat anything, smoke, drink, etc. to avoid collection failure.

        3、Remove the buccal swab (note: hands should not touch the swab portion during the entire sampling process). Hold the handle and insert the swab into the left oral cavity, so that the swab head fully touches the inner part of the left cheek/the mucous membrane of the upper and lower gums on the left side, and wipe up and down with the force of brushing. At the same time, rotate the swab to let the swab head The part is fully in contact with the oral mucosa, and repeat this action to scrape up and down 30 times. A second swab was taken from the mucosa of the right cheek/right upper and lower gums in the same way.

       4、Put the swab with the cells exfoliated from the oral cavity in a clean and ventilated place after the sampling is completed, put it back into the collection tube, and complete the sampling. Put the collection tube into the sample return bag, and then register your relevant information on the front label of the ziplock bag: name, gender, age, collection date. Send the ziplock bag with the collection tube and the inspection registration form to the sampling and testing company at room temperature.


        1、Before sampling, please check whether the package is in good condition. If it is damaged, please stop using it immediately and contact the dealer or manufacturer for replacement.

        2、Do not touch the head of the sampling swab with other parts such as hands

        3、30 minutes before sampling, do not eat, smoke, drink, chew gum, etc.



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