Indirect informative paternity/maternity test through grandparents (copia)


This test is a DNA analysis that makes it possible to determine the link between an individual and his or her parents with a genetic or biological informative purpose.
It has no legal validity, so it can be anonymous, without the need for the applicants to identify themselves. Sampling can be performed at the applicant’s own home.


This test is for the determination of the possible biological link between two individuals has the sole purpose of clarifying doubts, given the report resulting from this analysis does not have a chain of custody, it cannot be used in legal proceedings.

Test of interest for: detectives, non-professional comparison of biological remains without chain of custody.

If you wish to do a test of this type but there is an absence of the father or mother, we can carry out a parentage test with the same reliability than if they were available, with the collaboration of the parents of the absent parent, grandparents.

Additional information


Normal, Urgent

Extra sample kit

0, 1, 2, 3, 4

Additional information

How the test is performed
Send us the two samples you want to check and we will compare your DNA samples to detect if there is a match. The non-professional sample collection can be done in two ways:
1- Using our kits. Sample collection is fast and easy and painless.
2- Collecting a sample of material with biological remains. Please consult in advance.
The reliability of our results is absolute, we will analyze as many of the markers as necessary, at no extra cost to
Sample type
Buccal epithelium on cotton swab.
Biological samples in other media, please contact us before shipping. the sample.
Sampling can be done at home by the interested parties themselves, with no need to come to our facilities or to one of our partner centers throughout the peninsula.
Follow the instructions included in the kit for a correct conservation of samples.
Get the information you need without leaving home.
Send the samples to the laboratory from home, following the instructions described in the kit that will be sent to you
Shipping and reception process
Send the samples to the laboratory from home following the instructions described in the kit that will be sent to you.

Kit Instructions

Follow the steps below to perform the sampling:

1st. Rinse your mouth with water to remove any residue of food or drink.

2nd. Open the sampling package and unwrap the swabs.

3rd. Rub the cotton swab over the inside of the mouth, the lips and the cheeks and around the gums for at least 30 seconds. It is important for the cells to adhere to the cotton.

4th. Repeat this operation with the second swab.

5th. Keep the swabs from the same individual in the corresponding, labeled envelope.

6th. Under no circumstances should they be rewrapped in the plastic packaging, but are to be placed directly into the paper envelope.

It is also necessary that you send us the form attached, completed with clear handwriting, including a photocopy of the applicant´s identity document.

Once the samples have been taken and the documents have been completed, please send it to the laboratory management:

Unidad Identificación Genética, Citogen S.L.U.
Parque Empresarial Alvento
Calle Vía de los Poblados 1, Edificio A, 1ª Planta
28033 Madrid

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