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How accurate are paternity tests?

On Behalf of | Feb 27, 2026 | FAMILY LAW - Child Custody

When there are issues regarding paternity, one way to resolve them is through the use of a paternity test. A mother may want a child’s father to pay child support, for instance, or a father may want to ensure that he gets custody rights. A paternity test can help eliminate any disagreement over who the father really is at this crucial time.

The accuracy does depend on the type of test being used. But some paternity tests are over 99% accurate. If there are legal questions over paternity and you need a definitive answer, this is the best way to get it using modern technology.

Using the correct test

One important thing to note is that, although home tests are often available, that is not necessarily the option you want to choose. It is far better to have an official test carried out by a lab technician who can analyze the results.

There are two problems with home tests. The first is that they may not be as accurate or as reliable. Mistakes could be made while the test is being administered.

Moreover, these tests are typically not admissible in court, even if they are performed correctly. This limits their usefulness as evidence if there is a dispute. The issue is that the court does not necessarily know how the test was carried out, if it was actually done correctly or if the individual in question even took the test to begin with. An official, lab-administered paternity test is needed to be used as evidence in a case.

Addressing paternity issues

In child custody and divorce cases, paternity issues are very important, and resolutions are needed for both parents and children. As you navigate this process, be sure you know what options you have and what legal steps to take.