DNA Test - Mission Viejo, CA

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Health Street provides DNA tests and legal paternity testing in Mission Viejo, California at our centrally located testing laboratory. Call (949) 522-8446 or schedule online. We offer legal paternity tests, sibling studies, grandparent DNA tests, avuncular (aunt or uncle) testing, and postmortem DNA testing to determine if people are biologically related.

Set up DNA testing appointments online. Test results can be used in court for child support or to change a birth a certificate; it can also be used for simple peace of mind. Appointments can be scheduled together or separately. Legal DNA tests are done by cheek swab at our testing centers. We can also extract DNA samples from hair follicles, fingernails, and other specimens.

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DNA Test - Mission Viejo, California

Mission Viejo CA DNA Testing Locations

Types of DNA Tests at our Mission Viejo, California locations:

The most commonly ordered DNA test is a Paternity Test to conclusively establish whether or not a man is the biological father of a child.

Paternity Testing can be performed at our testing centers. DNA Testing can be done for other close family relationships, such as:

Grandparent DNA Test (if the father is not available for testing)
Sibling DNA Test (possible brothers, sisters, or half-siblings)
Avuncular DNA Test (aunt/uncle and niece/nephew)

Specimens we can test for DNA

The easiest and most reliable way to obtain a DNA sample for paternity testing is to swab the inner cheeks of the people being tested. These skin cells are known as buccal cells, and they rub off easily onto cotton swabs and remain in place for analysis by our laboratory. Other specimen samples, such as hair follicles, fingernails, and garments that might contain someone's DNA, can also be tested. An Alternative Specimen DNA Test is done by registering online and shipping the specimens to us.

Legally Admissible DNA Tests vs. "Peace of Mind" At-Home Tests

A Legal Paternity Test is a court admissible DNA testing service. Accurate results for DNA paternity testing with 99.99% confidence or greater take about a week.

When deciding which type of DNA test is right for you, consider first what you might do with the results. In order for the results of a DNA test to hold up in court, for child support, or to change the name on a birth certificate, the test must be done at a clinic using strict chain of custody procedures. Our Mission Viejo DNA testing technicians are trained to follow guidelines that ensure that the results can be used for legal purposes.

How to schedule a DNA Test in Mission Viejo CA

Scheduling a DNA test at one of our Mission Viejo clinics is simple and fast, and we often have appointments available in the same week. It's always helpful to schedule in advance to make sure you get the time you want. Register online, or please call our customer service team, which can help you book your appointment over the phone.

We have state of the art testing labs and friendly clinics that perform the DNA sample collection in Mission Viejo, plus many more locations throughout California and all across the United States. Not every one of our clinics performs paternity testing in Mission Viejo. We'll show you the nearest locations to get a DNA test in Mission Viejo , CA so you can choose the testing center that is most convenient. When you register, you can also pick the appointment time and date that you prefer.

Why Health Street

Over a Decade of Experience

Health Street has been performing DNA testing nationally since 2010.  The first DNA test in Mission Viejo, CA performed by Health Street was in 2021.

Dedication to Excellence

Our dedication to excellence includes our commitment to provide compassionate services and to helping people obtain the accurate DNA testing in Mission Viejo that they need. 

Mission Viejo, California - DNA Testing

Establishing paternity in Mission Viejo, CA

When parents in Mission Viejo decide to establish paternity, they are legally declaring who the child's legal father is. If unwed parents do not establish paternity, the child does not have a legal father. In California, parents can establish paternity by signing a Voluntary Declaration of Parentage (VDP) or going to court.

The easiest way for unwed parents to establish paternity is by signing the VDP. However, sometimes parents are unsure or disagree about who the biological father is. In these cases, many parents choose to go to court to have the judge determine paternity. The judge can order a DNA test for the child and the alleged father, which will show if they are related. Although the judge may consider other factors while determining paternity, the DNA test results may influence the decision. Once paternity is established, parents can also ask the court to establish child support, custody, and visitation hours if necessary.

Mission Viejo, California: Disputing paternity

If a man is told he is the child's father but disagrees, he has the right to ask for a DNA test. Every child inherits DNA coding from the mother and father. Using a simple cheek swab to collect genetic material from the father and child, the laboratory can easily prove whether they are related.

If the DNA test proves the man is not the father, and the paternity has not yet been legally established, he can dispute it. The same goes for same-sex parents. If a woman was served with a Petition to Establish a Parental Relationship but did not intend to be the child's mother, she can also dispute it. However, if paternity has already been established, it may be difficult to challenge it. Paternity cases can often be complex, and many people choose to involve a family lawyer to guide them through the process.

Last updated 12/6/2022

Neighborhoods in Mission Viejo Served by our Clinics

Lake Forest
Laguna Hills
Rancho Santa Margarita
Laguna Woods
Coto De Caza
Ladera Ranch
Aliso Viejo
Trabuco Canyon

Additional Services

Health Street offers a variety of other services, including:


Parentage (paternity). Parentage (Paternity) - paternity_famlaw_selfhelp. (n.d.). Retrieved December 6, 2022, from https://www.courts.ca.gov/selfhelp-parentage.htm?rdeLocaleAttr=en