Our automated scheduling system is available 24/7. Order your test online and receive your donor/registration pass by email. Click Here
Same Day Service
Offering DNA testing for legal and non-legal purposes
Accredited Drug Testing Inc (ADT) ensures precise DNA testing by deploying certified specialists and AABB-accredited laboratories, guaranteeing top-tier DNA test accuracy. Located conveniently close to your residence or workplace, scheduling a DNA test is a swift, hassle-free, and confidential process.
With DNA testing centers situated throughout every state and city, scheduling your test is as simple as calling (800)221-4291 today. 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 precise DNA testing by deploying certified specialists and AABB-accredited laboratories, guaranteeing top-tier DNA test accuracy. Located conveniently close to your residence or workplace, scheduling a DNA test is a swift, hassle-free, and confidential process.
With DNA testing centers situated throughout every state and city, scheduling your test is as simple as calling (800)221-4291 today. Get The Answers You Need!
In Signal Hill, CA, Accredited Drug Testing offers DNA testing solutions to help you uncover essential genetic information. Whether you seek to establish paternity, explore your genealogy, confirm familial ties, or address legal matters such as custody or immigration, our services, certified by AABB-accredited labs, ensure precision and confidentiality. Our convenient local centers provide easy access to a wide range of tests, including prenatal, ancestry, and forensic DNA tests. With our state-of-the-art technology, experience top-tier accuracy in DNA sequencing and profiling, ensuring reliable results. Rely on us for dependable, legally admissible DNA testing services that meet your diverse needs.
Our legal DNA tests follow stringent chain-of-custody protocols, ensuring court-admissible results recognized by legal entities. Ideal for custody, paternity, and immigration cases, these tests guarantee accurate, binding outcomes tailored to meet judicial standards.
Our non-legal DNA tests offer personalized insights into ancestry, health, and familial connections. These tests provide individuals with detailed genetic analysis for personal knowledge, without the need for legal documentation or court submissions.
Visit our Signal Hill, CA center for fast, professional DNA sample collection. Our trained specialists ensure correct sample handling and labeling, initiating a seamless DNA testing process.
Our accredited lab conducts comprehensive DNA analysis, utilizing sophisticated techniques for accurate genetic profiling and sequencing. Expect a turnaround time of 3-5 days.
Receive your secure, confidential results online or by mail, offering clear, insightful genetic information tailored to your specific testing requirements.
Our DNA testing is backed by top-tier laboratories with AABB accreditation, adhering to rigorous certification standards. Employing cutting-edge technology, we ensure the highest DNA test accuracy, reliability, and compliance with quality control measures.
We maintain strict chain-of-custody and quality protocols, guaranteeing trustworthy results. Every test undergoes thorough vetting and double-checking processes to uphold our commitment to precision and excellence in DNA services.

Establishing parentage for custody/support.
Through DNA testing, definitive parentage for custody and support cases is established, offering court-admissible evidence crucial for judicial decision-making. This ensures reliable parental obligations and sustainable financial support arrangements.
Confirming familial relationships.
With DNA tests, familial ties are verified with precision, clarifying kinship among siblings, grandparents, and relatives. These trusted genetic insights help resolve inheritance disputes and foster stronger family relationships based on biological certainty.
Immigration cases requiring proof of biological relationships.
In immigration scenarios, DNA testing authenticates necessary biological ties for visa and citizenship. Legal genetic documentation serves as unquestionable proof for authorities, facilitating family reunification and reducing application processing time.
Adoption cases or identifying unknown biological relatives.
In adoption searches, DNA tests reveal unknown biological relatives, offering adoptees vital genetic insights illuminating their heritage. This fosters closure, emotional healing, key family health understanding, and personal identity clarity.
Genealogy and ancestry exploration.
DNA testing for genealogy unveils ancestral details, ethnic roots, and distant family, enlightening individuals on their heritage. Genetic discoveries about historical migrations enrich the understanding of cultural identity and familial evolution.
Our DNA tests align with Los Angeles County court criteria, ensuring accuracy and court approval in family law cases. Employing strict chain-of-custody protocols, we provide dependable results recognized by Signal Hill, CA courts, performed in accredited laboratories.
In Signal Hill, CA custody cases, verifying biological ties is essential. Our certified DNA tests strictly follow Los Angeles County court standards, offering comprehensive records that confirm sample authenticity and protect the legal standing of your results.
Complying with Los Angeles County court requirements, our DNA services deliver clear, reliable outcomes in complex family law situations. Families in Signal Hill, CA trust our detailed procedures and court-accepted documentation for fair, timely resolution of disputes.
Los Angeles County Superior Court
Handles family law, custody disputes, and offers online resources for legal guidance.
USCIS Los Angeles District Office
Provides information on immigration processes requiring DNA evidence for familial relations.
Los Angeles County Department of Public Health
Offers community health insights and family health history resources.
Legal Aid Foundation of Los Angeles
Provides legal assistance and family law resources to Los Angeles County residents.
City of Signal Hill
Offers local administrative resources and community services for residents.
Los Angeles Fire Department - Family Support Services
Provides emotional and logistical support to families in crisis situations.
Quickly find trusted local drug testing centers in Signal Hill, CA — fast, convenient, and reliable every time!
Quickly find a local DOT drug testing center in Signal Hill, CA — fast, reliable, convenient nationwide service!
DNA testing for legal and non-legal purposes including child support, and child custody around Signal Hill, CA.
Including specimen collector training, DER training, reasonable suspicion training and much more in Signal Hill, CA.v
Get fast, accurate hair drug testing at our convenient Signal Hill, CA locations—results you can trust, every time!
Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Signal Hill, CA.
Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Signal Hill, CA.
Accurate 5 panel drug testing with fast, confidential results—trusted by Signal Hill, CA employers and individuals nationwide.
Comprehensive 10 panel drug testing with fast, reliable results—trusted for Signal Hill, CA workplace and personal testing needs.
Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Signal Hill, CA workplace compliant.
Certified DOT physicals with quick, reliable exams to keep Signal Hill, CA drivers compliant and on the road with confidence.
Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.
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