DNA Cousin Test

The DNA Cousin test will provide you with the likelihood that the individuals tested are biologically related.


DNA Tests
Order Your Confidential Home DNA Test Online!
* All kits are dispatched within 24 hours. Price includes all laboratory fees and results documents.

Test Description

We use a non-invasive, pain-free DNA collection method for paternity testing and DNA analysis. Using the latest technology, a buccal cell sample taken from the inside of the mouth is now the newest and most recommended method for sample collection. A buccal cell sample can be collected quickly, painlessly and discreetly using the home collection kit.

How to Read a DNA Test Report

Limitations of DNA Cousin Testing and Indications for Use

The DNA cousin test is the least powerful relationship test and should only be considered if the parents, aunts, uncles, siblings, grandparents, are all not available for testing and the only option is to test cousins. Whenever possible, the DNA Paternity test, Grandparentage test, sibling test, or aunt/uncle test should be used instead of teh DNA cousin test. However, in cases where there is no other option but to test cousins, the DNA Cousin test will provide you with the likelihood that the individuals tested are biologically related.

Understanding the DNA Cousin Test Report

The DNA Cousin test report will provide you with a cousin index. The cousin index will provide the likelihood that the tested individuals the true biological cousins.

100% Confidentiality

As our client, your privacy is extremely important to us, and we hold all information provided us in strict confidentiality. We will never sell, resell or make available your personal, or financial information to other companies or organizations. You will only be contacted using the method you choose, to confirm your order or to discuss your case. All communication is in the strictest confidence, and for that reason, we require you to create a password that will restrict access to your case. In addition, our privacy policies that have been established in our laboratory and offices safeguard the security of your case.

Highest Standards

Our testing laboratory is AABB and ISO17025 accredited for chain-of-custody legal testing. These accreditations provide a full guarantee of accurate, straightforward, and reliable results.


Every person has two copies of each gene. One copy comes from the mother and the other copy comes from the father. Thus, one half of the genetic material in our body is inherited directly from each of our two parents. Cousins (children of biological siblings) inherit a portion of their DNA from the same genetic pool of their shared grandparents. When a DNA Cousin test is performed, the DNA laboratory examines the DNA of the alleged Cousin and then compares them to generate a Cousin index. If the alleged cousins are true biological cousins, then the cousin index is expected to be greater than 1.0. Individuals who are not related are statistically expecited to have an index less than 1.0.

The aunt/uncle test is a statistical analysis based on the pattern of expression of genetic material in the individuals compared. The aunt/ucnle test is not as powerful as the paternity test and should only be considered if the alleged father is not available for testing. If the biological mother of the alleged father is available for testing, adding the mother to the DNA aunt/uncle test can help to increase the discrimination power of the test.

A results interpretation sheet is provided with your results report.

Both the Legal and Private tests are equally accurate and both will provide absolutely conclusive results. If you choose the private test, a home kit will be sent to you so that you can collect the samples discreetly in private. If you choose the Legal Test, the collection must be done by an unbiased individual (doctor, lawyer, notary, etc.) and all individuals attending the collection appointment must bringa passport photo, picture identification, and they will be fingerprinted during the sample collection appointment. If you do not need to use the results in court, then the private option will provide the same conclusive results as the legal test and can be done discreetly.

If the parties to be tested living different cities or different countries, the kit can be split and sent to each individual separately. The kits are individually barcode labelled so once the samples arrive back at the laboratory, they will be sted together. To order a split kit, please write the following into the comments box of the online order form when you place the order “Please split kit. Please send one portion of the kit to: (person’s name and address), and please send the other portion of the kit to: (other person’s name and address).”

CODIS stands for Combined DNA Index System. The CODIS loci are the loci which are approved by the FBI and other recognized standardization bodies worldwide for databasing and genetic profiling. At International Paternity Labs, 13 out of the 16 loci which we test are CODIS loci. As such, the profile obtained from each test far exceeds the current recognized standards.

Scroll to Top