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Offering DNA testing for legal and non-legal purposes
Accredited Drug Testing Inc (ADT) ensures the highest level of precision in DNA testing by utilizing certified genetic specialists and nationally recognized AABB Laboratories. Equipped with cutting-edge technologies, our testing locations, strategically positioned near you, make scheduling and conducting DNA tests straightforward, discreet, and fast.
To locate a DNA testing center in your vicinity, covering all states and cities, contact us at (800)221-4291. 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) ensures the highest level of precision in DNA testing by utilizing certified genetic specialists and nationally recognized AABB Laboratories. Equipped with cutting-edge technologies, our testing locations, strategically positioned near you, make scheduling and conducting DNA tests straightforward, discreet, and fast.
To locate a DNA testing center in your vicinity, covering all states and cities, contact us at (800)221-4291. Get The Answers You Need!
Nestled in the scenic community of Port Costa, CA, Accredited Drug Testing Inc brings you the power of uncovering truths through DNA testing. Whether it's determining parentage, exploring genetic ancestry, or resolving family matters, our comprehensive DNA testing services, tailored to meet your needs, are available near you. Our accurate and accredited genetic testing helps establish family relationships, backed by stringent guidelines, ensuring you receive the most reliable and court-admissible results.
Our Legal DNA Testing delivers irrefutable results for court cases. Each test adheres to strict legal standards and documentation, confirming biological ties crucial for custody, paternity, and immigration cases, ensuring legal admissibility and accuracy.
Our Non-Legal DNA Testing offers insights into ancestry and familial connections. While not court-admissible, these tests are perfect for personal knowledge, confirming relationships, and exploring genetic health without the need for legal documentation.
At Accredited Drug Testing, our Port Costa, CA centers offer an effortless DNA testing experience. Begin with a simple sample collection using cheek swabs performed by certified technicians, ensuring accuracy through proper handling and identification.
After collection, samples undergo rigorous analysis at our accredited laboratories, where advanced genetic markers and sequencing technologies are employed for precise DNA profiling.
Within 3-5 days, receive your comprehensive results, accessible securely online, covering insights into genetic relations, health, or ancestry, depending on your test type.
Accredited Drug Testing ensures unparalleled accuracy in every DNA test conducted. Our laboratories hold AABB accreditation, adhering to the highest standards of quality control to maintain precision and reliability of results.
With a commitment to excellence, we employ certified experts and innovative technologies for DNA sequencing, ensuring credible, accurate outcomes that meet or exceed all regulatory requirements consistently.

Establishing parentage for custody/support.
Providing undeniable evidence of parentage, DNA tests are crucial for custody and support cases, offering the courts accurately verifiable proof of parent-child relationships. This ensures fair allocation of parental responsibilities and financial obligations.
Confirming familial relationships.
Our DNA tests authenticate familial ties with precision, clarifying relationships among family members like siblings and grandparents. These genetic tests help resolve disputes over inheritance and empower families by strengthening bonds through verified connections.
Immigration cases requiring proof of biological relationships.
Our immigration DNA testing substantiates biological relationships crucial for visa and citizenship processes. Recognized by immigration authorities, this legal testing reduces delays, facilitating family reunifications with assurance and efficiency.
Adoption cases or identifying unknown biological relatives.
DNA testing aids adoptees in discovering unknown biological relatives, enriching their understanding of genetic background. This discovery provides emotional healing, personal history, and clarity on genetic lineage.
Genealogy and ancestry exploration.
Genealogical DNA testing opens doors to exploring ethnic origins and ancestral connections. By unraveling historical migration patterns, it deepens the cultural identity and familial heritage of users, connecting them to their past more intimately.
Our DNA tests comply with the judicial standards of Contra Costa County, ensuring that every result is both precise and admissible in family law cases within Port Costa, CA. Each DNA analysis is conducted at labs meeting rigorous legal guidelines for reliable court recognition.
In Port Costa, CA, confirming biological ties is pivotal in family law and custody matters. Our certified DNA testing service follows Contra Costa County's court directives diligently, furnishing the necessary documentation to uphold the authenticity and legality of the results.
Our DNA testing services, aligned with the standards of Contra Costa County, guarantee reliable outcomes for intricate family law disputes. Residents in Port Costa, CA, rely on our precise testing approach and thoroughly documented evidence to resolve paternity claims and custody matters efficiently.
Contra Costa County Superior Court
The primary judicial authority in Port Costa, CA, handling family law, custody, and support cases with jurisdiction over local DNA test results.
Contra Costa County Health Services
Offers comprehensive public health resources, crucial for understanding genetic health information from DNA tests.
Contra Costa Immunization Office
Aids in health tracking through immunization registries, complementing DNA health testing services.
Contra Costa County Family Law Facilitator
Assists with family law proceedings that may require DNA test verification for legal matters like custody and support.
USCIS San Francisco Field Office
Handles immigration documentation needing DNA verification for cases like visas requiring proof of relationship.
Contra Costa County Bar Association
Provides referrals to family law and immigration lawyers who can guide on the legal implications of DNA testing.
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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