Is A Legal Sibling DNA Test Possible?

Can a sibling DNA test be used for legal purposes?

Yes. Sibling DNA tests are often used for the purposes of providing proof of a biological relationship for immigration (USCIS or U.S. Embassy) to acquire a visa. Siblingship DNA tests are used when the biological father, mother or both of a child is unavailable to partake in the DNA test.

Another least common scenario is where a legal sibling DNA test may be performed is if the biological father is deceased and, he has another child. Social Security may allow the other child to be tested if the other child can prove its relationship to the deceased biological father to Social Security. Remember, It is important to consult with a Social Security representative about your evidence submission options before performing a sibling DNA test. Please keep in mind when dealing with governmental institutions. They will not accept an At-Home (non-legal peace of mind) DNA test result because peace of mind DNA tests are self-collected and can be considered to be untrustworthy due to you collecting your own DNA samples.

How will my DNA sample be collected?

Most DNA samples today are collected via buccal swab. Blood sample collection is also an option via a request for an additional cost. It is important to note, a buccal swab DNA test and blood DNA test have similar accuracy. If you would like to learn more about our sibling DNA testing services. Please do not hesitate to contact our office today at 877-680-5800 for an appointment.

How long will my DNA result take to be completed?

Turnaround times for a sibling DNA test is 2 to 3 business days from the date your DNA samples arrive at the lab. It is important to note, We can provide next day results at an additional cost. Upon completion of your test. Your DNA report will be mailed out to your home. If you would like to learn more about our next day air service or, would like to coordinate a standard sibling DNA test. Please contact our office today at 877-680-5800.


In closing, using a sibling DNA test for legal purposes is possible. It can be used for any scenario that will require an AABB accredited legal chain of custody process to be performed. As always, we recommend that you contact IDTO’s office today at 877-680-5800 to learn more about the legal DNA testing process as it pertains to your specific situation.

© 2018 | IDTO DNA Testing Center

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