Drug & Alcohol Testing Near Me - Union City, CA

Accredited Drug Testing provides drug and alcohol testing services at multiple locations throughout your local area.  

Employment, DOT, Court Ordered, Personal
Urine | Hair Follicle | Oral Fluid | Blood | ETG

29 Drug-Testing Centers in Union City

Minutes Away, Test Today

33560 Alvarado Niles Rd0.95 miles

33560 Alvarado Niles Rd
Union City, CA 94587

33077 Alvarado Niles Rd1.31 miles

33077 Alvarado Niles Rd
Union City, CA 94587

556 Mowry Avenue, Suite 1033.22 miles

556 Mowry Avenue, Suite 103
Fremont, CA 94536

2147 Mowry Ave Ste C13.32 miles

2147 Mowry Ave Ste C1
Fremont, CA 94538

2000 Mowry Ave3.32 miles

2000 Mowry Ave
Fremont, CA 94538

3555 Whipple Rd3.58 miles

3555 Whipple Rd
Union City, CA 94587

35500 Dumbarton Ct3.75 miles

35500 Dumbarton Ct
Newark, CA 94560

3161 Walnut Ave3.79 miles

3161 Walnut Ave
Fremont, CA 94538

29000 Hesperian Blvd3.98 miles

29000 Hesperian Blvd
Hayward, CA 94545

39180 Farwell Dr Ste 2314.58 miles

39180 Farwell Dr Ste 231
Fremont, CA 94538

27200 Calaroga Ave4.63 miles

27200 Calaroga Ave
Hayward, CA 94545

5763 Stevenson Blvd5.35 miles

5763 Stevenson Blvd
Newark, CA 94560

26250 Industrial Blvd Ste 325.62 miles

26250 Industrial Blvd Ste 32
Hayward, CA 94545

24326 Mission Blvd Ste 35.72 miles

24326 Mission Blvd Ste 3
Hayward, CA 94544

42650 Christy St6.07 miles

42650 Christy St
Fremont, CA 94538

3225 Seldon Ct6.62 miles

3225 Seldon Ct
Fremont, CA 94539

39400 Padeo Padre Pkwy Mission Bldg7.37 miles

39400 Padeo Padre Pkwy Mission Bldg
Fremont, CA 94538

20400 Lake Chabot Rd Ste 101,7.86 miles

20400 Lake Chabot Rd Ste 101,
Castro Valley, CA 94546

5720 Stoneridge Mall Road, Suite 1108.19 miles

5720 Stoneridge Mall Road, Suite 110
Pleasanton, CA 94588

7601 Stoneridge Dr Fl 18.32 miles

7601 Stoneridge Dr Fl 1
Pleasanton, CA 94588

46305 Warm Springs Blvd8.70 miles

46305 Warm Springs Blvd
Fremont, CA 94539

46752 Mission Blvd Ste A8.81 miles

46752 Mission Blvd Ste A
Fremont, CA 94539

46690 Mohave Dr8.82 miles

46690 Mohave Dr
Fremont, CA 94539

7667 Amador Valley Blvd9.04 miles

7667 Amador Valley Blvd
Dublin, CA 94568

4847 Hopyard Rd Ste 4-4249.19 miles

4847 Hopyard Rd Ste 4-424
Pleasanton, CA 94588

5635 W Las Positas Blvd9.47 miles

5635 W Las Positas Blvd
Pleasanton, CA 94588

2324 Santa Rita Rd Ste 49.86 miles

2324 Santa Rita Rd Ste 4
Pleasanton, CA 94566

3128 Santa Rita Rd10.11 miles

3128 Santa Rita Rd
Pleasanton, CA 94566

2224 Delucchi Dr10.14 miles

2224 Delucchi Dr
Pleasanton, CA 94588

Drug Testing Near Me

Seeking convenient locations for drug testing in your vicinity? Accredited Drug Testing, Inc., with its reputation for reliability, provides immediate drug and alcohol assessments across a vast network of over 20,000 testing sites nationwide, including all areas within Union City, CA. We cater to various needs, whether it's DOT compliance screening, legal mandates, job-related checks, or personal testing requirements. Scheduling is streamlined and designed to respect privacy, allowing for quick arrangements online or through phone. Rely on our certified facilities to uphold the highest standards in accuracy and adhere to both federal and state regulations. For trustworthy testing services, reach out to us at (800) 221-4291 or schedule online any time. When maintaining safety and compliance is critical, Accredited Drug Testing offers results you can trust, promptly and accurately.

Drug and Alcohol Testing Options

Urine Drug Testing Available Panels
5 Panel Drug Test (DOT/NON DOT)
5 Panel + Alcohol Drug Test
5 Panel + ETG Alcohol Drug Test
10 Panel Drug Test
10 Panel + ETG Alcohol Drug Test
12 Panel Drug Test
Hair Drug Testing Available Panels
5 Panel Hair Drug Test
5 Panel + ETG Hair Drug Test
10 Panel Hair Drug Test
12 Panel Hair Drug Test
14 Panel Hair Drug Test
16 Panel Hair Drug Test
Alcohol Drug Testing Available Panels
Alcohol Urine Drug Test
ETG Alcohol Test (Urine)
Breath Alcohol Test
Blood Alcohol Test
Peth Alcohol Blood Test
ETG Alcohol Test (Hair)

Customized Testing Options Available l Discounts available for Bulk Purchases l Onsite Drug Testing Services

How Urine Drug Testing Works

Urine drug testing reigns as the most prevalent screening technique nationwide and is the exclusive test type sanctioned for DOT-regulated drug testing per 49 CFR Part 40. This assessment method detects recent substance use by analyzing urine samples for drugs, their metabolites, or alcohol traces. The entire process is designed to be standardized, confidential, and to yield precise, legally viable results for employers, individuals, and court directives.

Testing Methods & Collection Process

  • 1. Donor Identity Verification: Donors must present valid governmental identification and complete the necessary chain-of-custody signatures before testing can proceed.
  • 2. Secure Collection Environment: Urine samples are obtained in a controlled restroom space to hinder tampering, with measures like restricting personal items, securing water sources, and dyeing toilet water.
  • 3. Chain of Custody Documentation: The specimen's integrity is protected via a federally recognized Chain of Custody Form (CCF) from collection through lab analysis.
  • 4. Temperature & Validity Checks: Immediately post-collection, collectors verify the specimen's temperature and physical appearance. Labs conduct validity tests, including measurements of creatinine, pH, specific gravity, and adulterants.
  • 5. DOT Split Specimen: DOT urine tests are divided into two samples; Bottle A undergoes initial analysis while Bottle B is reserved for any retesting requests.
  • 6. Laboratory Screening & Confirmation: Specimens undergo dual-stage analysis in SAMHSA-certified labs with initial immunoassay screenings to identify drug classes followed by GC/MS or LC/MS technology for precise drug/metabolite identification.
  • 7. MRO Verification: A licensed Medical Review Officer evaluates non-negative outcomes to ensure accuracy and discusses potential medical explanations with donors before releasing final results.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Same-day negative results; positives sent for lab confirmation within 24-72 hours.
  • Lab-Based Urine Test: 24-48 hours for most negatives.
  • DOT Drug Test: Completion can span 1-3 business days, influenced by MRO review and donor accessibility.
  • Urine EtG Alcohol Test: Typically processed over 24-48 hours.

An extended timeframe may be essential in cases of shy bladders, invalid samples, or necessitated lab verification or donor communication.

Benefits of Urine Drug & Alcohol Testing

  • It remains the sole DOT recognized method for regulated testing.
  • Effective in detecting recent usage, suitable for employment settings and post-incident scenarios.
  • Affordable with swift processing time.
  • Broadly acknowledged by legal courts, employers, and governmental bodies.
  • Instant testing alternatives for rapid diagnostic evaluations.
  • High precision with GC/MS or LC/MS validation technology utilized.

Limitations of Urine Drug & Alcohol Testing

  • Short detection periods (1-7 days for most substances).
  • Possibility of tampering absent stringent security protocols.
  • Incapable of reflecting extended or historic usage patterns.
  • Requires restroom amenities and specific collection methodologies.
  • Standard tests fail to detect alcohol without EtG/EtS testing.

Despite inherent limitations, urine testing remains a staple choice across the nation for drug and alcohol screenings.

How Hair Drug Testing Works

Comprehensive Hair Drug & Alcohol Testing in Union City, CA

Hair drug and alcohol analysis represents a robust method for understanding long-term substance use, providing a reliable 90-day detection period by isolating drug metabolites within the hair structure. Divergent from urine testing's temporal range, hair evaluations shine in roles where extended analysis is critical, such as workplace programs, court adjudications, and custody disputes. This process is thus suitably applied across Union City, CA for long-view substance use evaluation.

Testing Techniques & Collection Dynamics

Timeframe for Hair Test Results

Although more involved than urine tests, hair screenings offer unparalleled accuracy over extended periods, making them a preferred choice in many professional and legal scenarios.

Proficiencies of Hair Drug & Alcohol Assessments

Despite a few limitations, hair testing's reliability for chronic detection makes it indispensable for various professionals in Union City, CA and beyond.

Alcohol & Drug Testing-How Each Method Works

Comprehensive Alcohol and Drug Screening in Union City, CA

Accredited Drug Testing provides a comprehensive array of alcohol and drug testing options tailored to accommodate occupational, DOT, legal, and personal screening demands. Understanding the intricacies of each testing type facilitates precise selection, credible results, and adherence to strict federal and state guidelines. Our extensive network, complemented by certified labs and diverse expertise, ensures precision, reliability, and professionalism, resulting in trustworthy testing results.

Alcohol Urine Drug Test

An alcohol urine test is adept at identifying recent alcohol consumption through detecting ethanol metabolites present in urine. Regularly employed in occupational, judicial, and post-accident scenarios, this method provides a cost-efficient, short detection window for examining recent alcohol usage without measuring current impairment levels.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test serves as a sensitive detection tool capable of tracking alcohol usage up to 80 hours post-consumption. Utilizing EtG's status as a direct ethanol derivative, this test gains broad usage across judicial, rehabilitation, and compliance monitoring agencies, offering a prolonged detection frame compared to standard methods.

Breath Alcohol Test

A breath alcohol test evaluates current impairment by assessing alcohol concentration in deep lung air, administered via DOT-endorsed devices (EBTs) for instant, legally sound outcomes, often applied to DOT-regulated personnel alongside workplace and post-incident assessments.

Blood Alcohol Test

The blood alcohol test precisely quantifies ethanol levels within the bloodstream, rendering it a favored method for determining impairment, actively utilized by healthcare facilities, law enforcement, and legal investigations, particularly concerning DUI and other high-stakes scenarios.

PEth Alcohol Blood Test

The PEth (Phosphatidylethanol) blood test identifies chronic or substantial alcohol intake by discerning specific biomarkers in red blood cells, reliable for usage detection up to 2-3 weeks, frequently employed in familial legal matters, monitoring setups, and pre-employment evaluations pertaining to security-sensitive roles.

ETG Alcohol Test (Hair)

The EtG hair test extends a 90-day substance use evaluation by scrutinizing alcohol metabolites entrenched within the hair shaft, detecting patterns of persistent or chronic consumption rather than one-off usage. Predominantly used in judicial, custodial, and long-term oversight arrangements, owing to its stability, precision, and resistance to short-term abstinence.

With proficient guidance, labs of national accreditation, and swift scheduling, Accredited Drug Testing ensures that each alcohol testing approach delivers defendable, unambiguous, and compliant outcomes, assisting individuals and employers to remain fully informed and meet compliance requirements comprehensively.


Accredited Drug Testing provides nationwide drug and alcohol screening solutions, including urine, hair, EtG, PEth, and breath alcohol testing. Backed by SAMHSA-certified laboratories, DOT 49 CFR Part 40 compliance, and scientifically validated testing technology, our services ensure accurate, defensible, and confidential results for employers, courts, and individuals.

Frequently Asked Questions

Urine tests detect recent use and are the only option approved for DOT testing under 49 CFR Part 40. Hair tests provide a 90-day detection window per the Society of Hair Testing (SoHT). Alcohol testing options, EtG, breath, blood, or PEth. These tests can identify recent use, impairment, or long-term drinking behavior depending on the method.

Urine: 24 - 48 hrs for negatives (SAMHSA guidelines).
Hair: 2 - 5 business days due to multi-step forensic processing (SoHT).
Breath Alcohol: Immediate results using NHTSA-approved EBT devices.
PEth: 3 - 5 days based on forensic toxicology studies.

Lab confirmation using GC/MS or LC/MS is the gold standard per SAMHSA & DOT.
Hair testing is highly tamper-resistant (SoHT).
PEth is considered the most reliable marker of repeated drinking (Journal of Analytical Toxicology).

No. DOT-regulated urine tests require validity checks and chain-of-custody documentation (49 CFR Part 40). Hair tests undergo decontamination and metabolite extraction (SoHT), making them extremely difficult to adulterate.

EtG urine detects alcohol for up to 80 hours (NIH/SAMHSA studies). EtG hair detects chronic alcohol consumption for up to 90 days (SoHT alcohol guidelines).

5 Panel DOT:49 CFR Part 40. Expanded non-DOT panels add benzodiazepines, barbiturates, methadone, oxycodone, MDMA, fentanyl, and more (SAMHSA forensic panel standards).

PEth blood testing identifies long-term and heavy alcohol use for 2 - 4 weeks. Used in child custody, treatment monitoring, and professional compliance programs (CDC & Journal of Analytical Toxicology).

Hair testing does not detect drug use within the past 5 - 7 days. It identifies long-term or repetitive use patterns per SoHT standards.

Yes. Results follow strict chain-of-custody procedures, DOT/SAMHSA requirements, GC/MS or LC/MS confirmation, and MRO review; making them acceptable in court, DOT, and legal settings.

Yes. Accredited Drug Testing offers same-day appointments at 20,000+ locations nationwide, instant testing options, and onsite employer testing with bulk discounts.

Customer Reviews

Very easy to get scheduled

Very easy to get scheduled and easy process once checked in and the staff were all extremely friendly! I would recommend this company!

Ronickia Moore - 11/19/2024

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

Kind and very helpful

Called around for hours and posted from company to person and got nowhere and had to fight to get a refund die to there miss information, well save time and sanity Acredited is the ONLY place the person was kind and very helpful, said what I needed and Faith the lady I dealt with made it simple and she did above and beyond everything I needed, as I'm going through a devorse this was a great help and made my day 100 stars from me.

Steven Harrison - 12/19/2024

Really Helpful

I am just really happy to see that the location near me still offers hair follicle tests!! They are really helpful when any false positives happen, waiting on my results. Hope they come fast!

Kali Collins - 1/16/2025

phone support has been excellent

I have used ADT several times. Their phone support has been excellent, both when putting in the orders and when asking for help to interpret results.

Tee Ess - 12/19/2024


Sources


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Certified DOT physicals with quick, reliable exams to keep Union City, CA 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.

(800) 221-4291