DNA Test - Portland, TX

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Health Street provides DNA tests and legal paternity testing in Portland, Texas at our centrally located testing laboratory. Call (361) 209-8003 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 - Portland, Texas

Portland TX DNA Testing Locations

Types of DNA Tests at our Portland, Texas 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 Portland 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 Portland TX

Scheduling a DNA test at one of our Portland 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 Portland, plus many more locations throughout Texas and all across the United States. Not every one of our clinics performs paternity testing in Portland. We'll show you the nearest locations to get a DNA test in Portland , TX 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 Portland, TX performed by Health Street was in 2018.

Dedication to Excellence

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

DNA Testing in Portland TX

Establishing Paternity in Portland, TX

For a married Portland couple who just had a child, paternity is automatically established, as Texas law presumes the husband is the biological father. For those who aren't married at the time of their child's birth, steps must be taken to legally establish paternity in Portland, TX.

If both parties agree to the presumed paternity of a child, the simplest way to establish legal paternity would be to file an Acknowledgment of Paternity (AOP). This form can either be filed at the hospital following the child's birth or through a San Patricio AOP certified entity or Texas Vital Statistics Unit. It is recommended that if there is any reasonable doubt regarding a child's paternity, that neither party signs the acknowledgment. Instead, file a court-ordered paternity action through San Patricio Family Court to request DNA testing to ensure accurate paternity.

Navigating Unique Paternity Situations in Portland, TX

Due to Texas law, a child born to a married couple automatically establishes the husband as the father. However, in certain instances, a married woman may have a child with a man who is not her husband.

If a Portland, TX woman has a child by a man who is not her husband, a Denial of Paternity (DOP) will first need to be completed to rightfully establish paternity. Under the agreement of the husband (presumed father), mother, and biological father, the three must all sign the form to legally establish correct paternity. Once completed, the two biological parents may then complete an AOP and file both through the Texas Vital Statistics Unit to provide the biological father with his paternal rights.

Experts in Portland, TX Say…

In many paternity cases, issues involving biological fathers' rights tend to arise. If you believe that you are the biological father of a child you have no legal rights over, Portland, TX family law attorney Kelly Koch recommends you do not delay filing a request for DNA testing. With a four-year statute of limitations for paternity cases, it's crucial that you present your case in court as soon as possible, even if the mother has claimed someone else as the biological father.

Some Portland Neighborhoods That We Serve

Denver Apartments
Lone Oak
Moores Landing
Sunset Lake
The Cliff
Timber Trail
Twin Fountains Park
Westcliff Apartments
Wildcat Apartments

Additional Services

Health Street offers a variety of other services, including:


"Acknowledgement of Paternity (AOP)." Ken Paxton Attorney General of Texas, https://www.texasattorneygeneral.gov/child-support/paternity/acknowledgement-paternity-aop
"Find an AOP Certified Entity." Ken Paxton Attorney General of Texas, https://csapps.oag.texas.gov/find-AOP-certified-entity
"Vital Statistics." Texas Department of State Health Services, https://dshs.texas.gov/vs/
"Paternity." Kelly Koch Attorney at Law, https://kellykoch.com/family-law-services/paternity/
"Portland." Nextdoor, https://nextdoor.com/city/portland--tx/
"Portland, TX." Trulia, https://www.trulia.com/TX/Portland/
Portland, TX." Apartments.com, https://www.apartments.com/portland-tx/