DNA Testing Locations - Cotulla, TX

Paternity, Child Custody, Court

With 19 testing centers in the Cotulla area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.

19 DNA-Testing Centers in Cotulla

Minutes Away, Test Today

102 Frio

1.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
102 Frio
Cotulla, TX 78014

207 Tilden

1.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
207 Tilden
Cotulla, TX 78014

204 S Main St

1.77 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
204 S Main St
Cotulla, TX 78014

105 S Stewart St

1.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
105 S Stewart St
Cotulla, TX 78014

401 Lone Star Rd

1.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
401 Lone Star Rd
Cotulla, TX 78014

710 N Main

14.46 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
710 N Main
Dilley, TX 78017

2841 Fm 117 N

14.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2841 Fm 117 N
Dilley, TX 78017

217 E Salinas St

15.21 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
217 E Salinas St
Dilley, TX 78017

11981 South Us 83

25.25 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11981 South Us 83
Asherton, TX 78827

608 Fowlerton Rd

27.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
608 Fowlerton Rd
Tilden, TX 78072

2200 S Interstate 35

29.60 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2200 S Interstate 35
Pearsall, TX 78061

158 Medical Dr

30.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
158 Medical Dr
Pearsall, TX 78061

325 N Cherry St

31.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
325 N Cherry St
Pearsall, TX 78061

320 Berry Ranch Rd

31.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
320 Berry Ranch Rd
Pearsall, TX 78061

2843 S Highway 83

36.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2843 S Highway 83
Carrizo Springs, TX 78834

409 E Nopal St

38.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
409 E Nopal St
Carrizo Springs, TX 78834

401 E Nopal St

38.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
401 E Nopal St
Carrizo Springs, TX 78834

609 N 1st St

38.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
609 N 1st St
Carrizo Springs, TX 78834

308 S Cesar Chavez Ave

39.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
308 S Cesar Chavez Ave
Crystal City, TX 78839

How It Works

Legal DNA test – when needing a DNA test for paternity, child custody or any court ordered purpose a legal DNA test must be performed at a testing center, the child/children and the alleged father will be scheduled to go to one of our many testing centers nationwide with appropriate documentation, identification, and the test will be performed by a qualified DNA test collector who will then send the specimen to a certified AABB laboratory. Results will be available in approximately 10 days after the laboratory receives the specimen.

Non-legal DNA test -this test is performed for informational purposes only, a DNA certified test kit will be sent to the purchaser via regular mail or overnight delivery. The kit will include clear instructions of how to perform the DNA test, the purchaser will utilize an oral fluid swab for the child/children and alleged father. upon completion the specimen will be placed in a prepaid delivery envelope and sent to our AABB certified laboratory. Results will be available in approximately 10 days after the specimens are received at the laboratory. Please remember the non-legal DNA test cannot be used in a court of law or for any legal purpose.

Cotulla DNA Testing

DNA Testing Services Available at Our Cotulla, TX Labs:

DNA testing can be a vital tool to clarify complex familial matters and personal histories. At Accredited Drug Testing, we extend our specialized DNA services to residents of Cotulla, TX, ensuring each test is conducted with high precision and confidentiality. Whether navigating legal issues like custody, support, or immigration, or simply seeking deep insight into your family’s ancestry and genetic health, our array of services can meet your needs. Our DNA testing centers in Cotulla and La Salle County provide accessible solutions, with all tests conducted in certified AABB laboratories, ensuring results are reliable and admissible, where necessary. We invite you to explore how our personalized services can deliver the clarity and answers you seek in your genetic journey.

Testing Types Available:

Legal DNA Testing

Our Legal DNA Testing services provide court-admissible evidence of familial relationships for cases involving custody, support, immigration, and more, adhering to strict chain-of-custody protocols.

Non-Legal DNA Testing

Our Non-Legal DNA Testing services offer insights into ancestry, health, and personal identification, conducted with confidentiality and precision to unveil informative genetic details.

How Our DNA Testing Works

Visit one of our Cotulla test collection centers, where our certified specialists will guide you through the non-invasive sample collection process effortlessly.

Once your sample is collected, it is sent to our AABB accredited lab for thorough analysis using advanced DNA sequencing technology.

You’ll receive your comprehensive DNA results in just 3-5 days, providing clear insights into your genetic data and resolving your queries.

Accuracy and Reliability

Our DNA testing is conducted in accredited AABB laboratories, ensuring the highest levels of accuracy and reliability, meeting rigorous quality control and certification standards.

At Accredited Drug Testing, we prioritize precision, employing certified specialists and advanced methodologies to deliver indisputable DNA results.

Common Reasons for DNA Testing in Cotulla

Establishing parentage for custody/support.
DNA tests are integral in proving parentage for legal custody or support, offering indisputable, court-accepted evidence of biological bonds. Such information supports fair resolution of parental duties and financial settlements.

Confirming familial relationships.
Through DNA analysis, we authenticate familial ties with siblings, grandparents, or extended kin, providing peace of mind and helping resolve issues like inheritance disputes, thereby fostering family unity.

Immigration cases requiring proof of biological relationships.
DNA testing plays a pivotal role in immigration, offering undeniable genetic proof required for visa and citizenship applications. Our legal DNA tests simplify the process, speeding up family reunion and reducing bureaucratic hurdles.

Adoption cases or identifying unknown biological relatives.
In adoption scenarios, DNA tests uncover unknown biological relatives, granting adoptees crucial insights into their genetic lineage, which aids emotional closure, offers family medical history, and enriches personal identity.

Genealogy and ancestry exploration.
Our DNA testing services unlock the secrets of your ancestry, providing insights into ethnic backgrounds and kinship connections. This enriches understanding of ancestral migration and cultural identity, deepening your connection to your heritage.

Cotulla Legal and Court-Admissible Testing

Our DNA tests in La Salle County adhere to stringent local court standards, ensuring their admissibility and accuracy in familial legal proceedings. By maintaining a strict chain-of-custody, we deliver court-recognized results for cases in Cotulla, TX.

In Cotulla’s family law cases, our accredited DNA testing services meet La Salle County legal guidelines, offering comprehensive documentation to validate sample authenticity and preserve the legal veracity of test results.

Conforming to La Salle County regulations, our DNA testing services play a critical role in clarifying family law cases in Cotulla, TX. Families depend on our precise testing and defensible documentation to resolve custody, inheritance, and paternity disputes justly.

Cotulla Texas Community Resources

La Salle County Website
Official resource for local government services and information, including family law and public health departments.

La Salle County Attorney
Legal assistance and resources for residents of La Salle County facing family law and custody issues.

Cotulla Family Law Services
Platform providing access to family law attorneys specializing in custody, support, and paternity cases in Cotulla.

USCIS - Immigration Services
United States Citizenship and Immigration Services, facilitating visa and citizenship applications requiring DNA proof.

Cotulla Health Clinic
Local health services offering medical and genetic consultation for Cotulla residents.

Legal Aid for South Texas
Free or low-cost legal assistance for residents in South Texas facing family law challenges.

Cotulla Drug Testing

Quickly find trusted local drug testing centers in Cotulla, TX — fast, convenient, and reliable every time!

Cotulla DOT Drug Testing

Quickly find a local DOT drug testing center in Cotulla, TX — fast, reliable, convenient nationwide service!

Cotulla DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Cotulla, TX.

Cotulla Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Cotulla, TX.v

Cotulla Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Cotulla, TX locations—results you can trust, every time!

Cotulla Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Cotulla, TX.

Cotulla Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Cotulla, TX.

Cotulla 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Cotulla, TX employers and individuals nationwide.

Cotulla 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Cotulla, TX workplace and personal testing needs.

Cotulla On Site Drug Testing

Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Cotulla, TX workplace compliant.

Cotulla DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Cotulla, TX drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.


Frequently Asked Questions

Yes. Accredited Drug Testing provides access to DNA collection locations nationwide. In most cases, individuals can be scheduled at a site close to their home, workplace, attorney’s office, or court jurisdiction for convenience.
Yes, if it is ordered as a legal paternity DNA test and collected under strict chain-of-custody procedures. During a legal test, each tested party’s identity is verified, the collector documents the handoff of the swabs, and the lab issues a report suitable for court, child support enforcement, and other official proceedings.
Accredited Drug Testing also offers non-legal DNA testing. This option still compares DNA profiles but does not require the same level of identity documentation or chain of custody. These results are for personal knowledge and are typically not intended for courtroom use.
Immigration-related DNA testing is used to confirm a claimed biological relationship, such as parent and child, when other documentation is incomplete or unavailable. Properly collected and documented DNA samples can be submitted as supporting evidence in visa or residency applications.
Most DNA tests use a painless cheek swab (buccal swab). A trained collector swabs the inside of the cheek to collect cells containing each person’s DNA. In legal and immigration cases, this process is witnessed, logged, and sealed to protect the integrity of the results.
Yes. Results are released only to the authorized requesting party, such as the tested adult, legal guardian, attorney, court/probation contact, or designated immigration representative. All results are handled under strict confidentiality and documented securely.
Yes. Accredited Drug Testing provides relationship DNA tests, including grandparent DNA tests, sibling tests, avuncular (aunt/uncle) tests, and other kinship analyses. These tests help establish or confirm a biological relationship when one or both biological parents cannot participate.
In many cases, DNA collection appointments can be arranged quickly to meet legal timelines, court dates, immigration requests, or custody hearings. The collection is performed at an approved location and then sent for laboratory processing.

Customer Reviews

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024

quick to assist

They are very quick to assist with your orders and they helped when I needed to find a new testing facility.

Gary Matkin - 2/19/2025

Saved My CDL!

Time was running out before my Cdl got downgraded because of a violation I had on clearinghouse. I couldn't find an employer to send me for my return to duty test, but these guys had my test scheduled and done in the same day! They saved my cdl. Thank you again!

Michael Williams - 12/2/2024

Fast,easy and efficient

Fast,easy and efficient. They made the whole process stress free and simple. Thanks 😊

Micheal Ankenbrandt - 2/19/2025

This is by far the easiest

This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.

Jason Jackson - 7/19/2025

Quick, knowledgeable and courteous

Quick, knowledgeable and courteous Janelle worked diligently to support me. I am recommending their services to anyone looking.

Greensboro Joseph - 11/19/2024

Fantastic Experience

Fantastic experience from the beginning. Jocelyn was very helpful to me as someone who doesn’t have much experience in needing a test. They were very helpful and walked me through the entire process start to finish. Thank you ADT!

Riley Wilson - 2/18/2025

Super helpful and courteous

I've had to use this service twice for out of state physicians we've hired and both times it was super easy. Both customer service reps I spoke with were super helpful and courteous. I won't hesitate to use their service again if needed.

Alicia Rau - 6/19/2024

Sweet and helpful

Trish was amazing and got me through the sytem very fast and swift. I had a hard time hearing her a couple of times, but she was super sweet and helpful throughout the process. Highly recommend her!

Sophia Schutze - 6/19/2024

Accredited has been wonderful to work with!

Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.

Madison Sanderford - 8/19/2024


(800) 221-4291