Test paternity (no custody chain)


DNA test to determine biological paternity.

The paternity test makes it possible to determine the biological paternity from the analysis of the genetic information or DNA of each individual and their comparison between the participants (mother, child and possible father).

Pay a deposit of 30,00 per item
Deposit of: 30,00
Medical center / Specialist: Synlab Diagnósticos Globales

The analysis consists of the study of 15 small tandem repeats genetic polymorphisms, without revealing any additional genetic information about the individual.
The polymorphisms analyzed are validated by the International Society of Forensic Genetics (ISFG), and guarantee an accumulated a priori exclusion probability higher than 0.9995, which is the ISFG requirement level. Normally, the paternity probability of the analysis is equal to or greater than 99.99% (practically proven paternity), and 100% for the exclusion of paternity.

Types of Paternity Testing

There are three possible studies of biological paternity, which are technically identical but differ in the purpose for which they are requested.
Informative or paternity compatibility study: This is a curiosity study, in which the samples are obtained by the applicant from the study at home and deliver them to the laboratory. These are identified partially with letters (A possible father, B child, and mother C). Accordingly, the analysis report has no legal validity.
Legal study of paternity: The report of this study has official and legal validity, so that there is a protocol of identification of the participants and a chain of custody of the samples, as required by the legal procedures of the judicial process in Spain.
Prenatal legal study of paternity: A study that determines the biological paternity of the fetus, from samples of amniotic fluid or chorionic villi. The study report also has official and legal validity, so it is necessary to follow the same protocols and procedures as in the legal study of paternity.


The Paternity Test can be useful in the following circumstances:

• Complex processes of separation or divorce, and visitation and custody rights
• Suspicion of spouse infidelity
• Pregnancy after rape
• Reunion of relatives after many years of separation


It is not necessary to be fasting or special preparation.
Sample: EDTA whole blood, 4 swabs for oral scraping (code LD3097) or blood stain, depending on the type of study.
Documentation: General petitioner, informed consent, supporting documents and chain of custody, depending on the type of study requested.


  • Reservation: 30 € ( included in the total amount).
  • Amount: 370 € (Includes two samples)


This includes the completion of the test and its results report.


The payment of the reservation allows access to the service described within three months.


Synlab Global Diagnostics

Call us on Tel: 900 400 442 and we will indicate the center closest to your home to perform the test.


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