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Offering DNA testing for legal and non-legal purposes
Accredited Drug Testing Inc (ADT) uses expert DNA collection professionals and exclusively employs certified AABB Laboratories for all genetic testing. This assures unmatched DNA test accuracy. Centers are conveniently located for fast and confidential scheduling.
Our DNA testing facilities are available in every state and city. To arrange your DNA genetic test, simply dial (800)221-4291. Get the Definitive Answers You Seek!
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) uses expert DNA collection professionals and exclusively employs certified AABB Laboratories for all genetic testing. This assures unmatched DNA test accuracy. Centers are conveniently located for fast and confidential scheduling.
Our DNA testing facilities are available in every state and city. To arrange your DNA genetic test, simply dial (800)221-4291. Get the Definitive Answers You Seek!
Accredited Drug Testing in Castle Hill, CA, offers comprehensive DNA testing services to meet diverse needs, from verifying parentage for legal matters to exploring ancestry. Our DNA tests foster clearer familial understanding, build stronger ties, and comply with legal standards.
We offer DNA tests compliant with legal standards, suitable for court cases such as custody, support, and immigration. These tests provide court-admissible results, ensuring reliability in legal disputes and decision-making.
Our non-legal DNA testing services cater to personal inquiries like ancestry and health. These tests offer insights into genetic heritage and personal biology, helping individuals understand their genetic makeup and history.
To begin DNA testing in Castle Hill, CA, contact our center to schedule your appointment. A certified collection specialist will guide you through a simple sample collection process, ensuring secure transfer to our accredited laboratories.
In our AABB-accredited labs, genetic markers are analyzed with advanced DNA sequencing tools. This thorough evaluation provides highly accurate results. Results are then prepared and securely delivered to clients within 3-5 days.
Your easy access to reliable DNA testing is ensured by our efficient processes in Castle Hill, CA, from sample collection to swift, confidential results delivered directly to you with court-admissible or personal use documentation.
Our DNA testing is renowned for its precision, employing certified AABB-accredited labs and rigorous quality controls to ensure dependable results. Every test adheres to strict protocols for maximum reliability.
Accredited Drug Testing prioritizes DNA sequencing accuracy through validated processes and certified practitioners. This ensures that our clients receive results they can trust, backed by decades of industry expertise.

Establishing parentage for custody/support.
Through precise DNA testing, we provide undeniable evidence of parentage crucial for custody and support cases, aiding judicial decisions with dependable, court-admissible results on family dynamics and financial responsibilities.
Confirming familial relationships.
DNA testing precisely confirms familial links among siblings, grandparents, and other relatives. Trusted genetic outcomes offer peace of mind, resolve inheritance disputes, and strengthen family bonds through verified ties.
Immigration cases requiring proof of biological relationships.
In immigration matters, DNA testing provides definite determination of familial links essential for visa and citizenship processes. Legal genetic tests accepted by authorities expedite family unifications and administrative procedures.
Adoption cases or identifying unknown biological relatives.
Our DNA tests help adoptees discover biological relatives, providing meaningful insights into genetic ancestry, aiding in emotional closure, familial health histories, and enhancing identity understanding.
Genealogy and ancestry exploration.
Explore your ethnic heritage and distant relatives through genealogical DNA testing. It enriches personal histories by revealing ancestry details, connecting you to cultural roots, and uncovering migration histories.
Our DNA testing solutions meet local legal standards in Contra Costa County, assuring accuracy and admissibility in family law. Rigorous chain-of-custody protocols ensure that results are court-recognized and legitimate for proceedings in Castle Hill, CA.
For custody and family legal concerns in Castle Hill, CA, verifying biological links is fundamental. Our certified DNA tests adhere strictly to Contra Costa County legal standards, with thorough documentation to confirm authentic sample integrity and legal protection.
Our DNA services align with Contra Costa County regulations, providing clarity in intricate family law issues. Residents of Castle Hill, CA, rely on our comprehensive tests and legal documentation to resolve custody, inheritance, and paternity cases effectively.
Contra Costa County Superior Court
Handles legal disputes including family law cases where DNA test results are essential for proceedings.
Contra Costa County Health Services
Provides vital statistics and health resources in the area, supportive in DNA-related health inquiries.
Castle Hill Family Law Attorneys
Professional legal services for family law matters, ensuring representation informed by accurate DNA testing results.
USCIS San Francisco Field Office
Immigration office handling cases where DNA testing is required for verification of relationships.
Genealogical Research & Documentation
Specialized in assisting with ancestry documentation for legal or personal research needs.
Local Legal Aid Services
Offers assistance and resources for navigating the legal requirements of DNA evidence in family cases.
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DNA testing for legal and non-legal purposes including child support, and child custody around Castle Hill, CA.
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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