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Offering DNA testing for legal and non-legal purposes
Accredited Drug Testing Inc (ADT) delivers unparalleled DNA testing services, employing expert DNA collection specialists and Nationally accredited AABB Laboratories to guarantee exceptional accuracy in test results. Located conveniently near your residence or workplace, our testing centers facilitate a swift, straightforward, and confidential DNA testing procedure.
Accessible nationwide, our DNA testing centers are ready to accommodate your needs—just call (800)221-4291 to arrange your DNA test appointment. Get The Answers You Need!
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.
Accredited Drug Testing Inc (ADT) delivers unparalleled DNA testing services, employing expert DNA collection specialists and Nationally accredited AABB Laboratories to guarantee exceptional accuracy in test results. Located conveniently near your residence or workplace, our testing centers facilitate a swift, straightforward, and confidential DNA testing procedure.
Accessible nationwide, our DNA testing centers are ready to accommodate your needs—just call (800)221-4291 to arrange your DNA test appointment. Get The Answers You Need!
Unlock insights into your genetic background with our DNA testing services in North Gate, CA. Accredited Drug Testing provides a range of options from paternity tests and forensic DNA analysis to genealogical DNA tests and ancestry exploration. Our strategically located centers offer easy access and emphasize confidentiality and efficiency. With our trustworthy methodologies, unravel your genetic history and familial links seamlessly right here in North Gate.
Our Legal DNA tests in Contra Costa County meet the strict standard for courtroom admissibility, ensuring authoritative evidence for custody, inheritance, or immigration cases. Our meticulous procedures secure accurate results trusted by courts.
Our Non-Legal DNA tests offer a path to personal insight—discover ancestry, confirm siblingships, or explore personal genetic health with our confidential and easy-to-access testing options. Enhance your understanding of family and heritage effortlessly.
Visit North Gate's collection centers where our certified specialists will guide you through a simple DNA sample collection process, using cheek swabs for non-invasive gathering. Comfort and professionalism are our primary focus.
Samples are then securely sent to nationally accredited AABB laboratories specializing in DNA sequencing and analysis for reliable results, ensuring accurate profile creation using cutting-edge genetic technologies in days.
Receive your comprehensive DNA report in a mere 3–5 days, accurately detailing genetic markers and relationships, ready to inform your personal or legal decisions with the utmost confidence.
Accredited Drug Testing assures DNA test precision through our AABB accreditation, rigorous quality control, and expert-certified specialists. Our commitment ensures reliable genetic testing services to serve all your needs confidently.
With strict quality check protocols, our DNA analyses yield results trustworthy across legal contexts, offering peace of mind with every genetic inquiry. Our established methods uphold the highest standards of accuracy.

Establishing parentage for custody/support.
DNA testing serves as critical evidence in parentage assessments for custody or support matters, delivering precise, court-recognized validation of biological ties. This solid proof aids judges in making informed rulings, underpinning just parental duties and reliable financial support.
Confirming familial relationships.
With DNA tests clarifying familial ties, uncertainties regarding sibling, grandparent, and other relative connections are settled. These reliable genetic findings offer peace of mind, resolve disputes over inheritance, and strengthen family bonds based on confirmed biological links.
Immigration cases requiring proof of biological relationships.
In immigration cases, DNA testing serves as dependable proof of biological relations necessary for visa and citizenship processes. These legal tests provide definitive evidence agreeable to immigration bodies, hastening family reunification and minimizing wait times.
Adoption cases or identifying unknown biological relatives.
By aiding adoption-related searches, DNA tests reveal unknown genetic relations, offering adoptees valuable insight into their genetic heritage. This knowledge contributes to emotional closure, essential health histories, and a clearer sense of identity.
Genealogy and ancestry exploration.
DNA testing aimed at genealogy unveils ancestral information, ethnic lineage, and distant kin, enriching understanding of familial heritage. These genetic insights into historical migration connections deepen personal cultural identity and facilitate comprehensive exploration.
Our DNA tests align with local court standards in Contra Costa County, ensuring results uphold family law provisions. We follow stringent chain-of-custody procedures to ensure North Gate, CA courts recognize our test accuracy. Our accredited labs meet all legal criteria.
Within North Gate, CA's family law sphere, establishing biologically accurate ties is pivotal. Our certified DNA tests meet rigorous codes outlined by Contra Costa County's courts, offering complete documentation that confirms sample validity and protects the legal credibility of results.
Tightly adhering to Contra Costa County's court guidelines, our DNA tests bring precision and assurance to intricate family law issues. North Gate, CA families depend on our detailed protocols and legally solid documentation for just, expedited resolutions of custody and paternity cases.
Contra Costa County Superior Court
Resource for family law cases requiring DNA test evidence.
Contra Costa District Attorney Family Support Services
Provides assistance in cases needing DNA evidence for support.
Contra Costa County Bar Association
Legal resource for finding qualified family law attorneys for DNA-related cases.
USCIS District Office LA
Information on visas and citizenship involving DNA testing proof requirements.
Contra Costa Health Services
Public health resource offering support for genetic information
Forefathers Genealogy
A local genealogical resource for exploring family heritage through DNA.
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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
Dealing with allegation’s of drug use that completely false is stressful, ADT was able to get me the best tests, going back the farthest in the same day with as little hassle as possible, I spoke with 1 person and wasn’t transferred once, and they took my payment, and got me my work order for a clinic as close as possible for the service I needed. 5*
Christopher Hansis - 12/19/2024
Great service easy use quick processing! Need a hair follicle for my DCFS case , quick and convenient!
Jesse Dupre - 4/12/2025