Drug & Alcohol Testing Near Me - Stockton, 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

36 Drug-Testing Centers in Stockton

Minutes Away, Test Today

1805 N California St Ste 3030.90 miles

1805 N California St Ste 303
Stockton, CA 95204

1800 N California St0.90 miles

1800 N California St
Stockton, CA 95204

1429 W Fremont St1.16 miles

1429 W Fremont St
Stockton, CA 95203

1801 E March Ln Ste D4803.11 miles

1801 E March Ln Ste D480
Stockton, CA 95210

2291 W March Lane, Suite 145 F3.18 miles

2291 W March Lane, Suite 145 F
Stockton, CA 95207

7373 West Ln Fl 14.25 miles

7373 West Ln Fl 1
Stockton, CA 95210

1782 W Hammer Ln5.01 miles

1782 W Hammer Ln
Stockton, CA 95209

3663 Arch Rd Ste 4005.29 miles

3663 Arch Rd Ste 400
Stockton, CA 95215

8829 Davis Rd Ste 15.51 miles

8829 Davis Rd Ste 1
Stockton, CA 95209

10200 Trinity Pkwy7.63 miles

10200 Trinity Pkwy
Stockton, CA 95219

901 Darcy Pkwy10.73 miles

901 Darcy Pkwy
Lathrop, CA 95330

1779 W Yosemite Ave Fl 20211.34 miles

1779 W Yosemite Ave Fl 202
Manteca, CA 95337

840 S Fairmont Ave Ste 911.44 miles

840 S Fairmont Ave Ste 9
Lodi, CA 95240

800 S Lower Sacramento Rd11.49 miles

800 S Lower Sacramento Rd
Lodi, CA 95242

801 South Ham Lane Ste I,11.52 miles

801 South Ham Lane Ste I,
Lodi, CA 95242

801 S Fairmont Ave11.54 miles

801 S Fairmont Ave
Lodi, CA 95240

1205 E North St11.61 miles

1205 E North St
Manteca, CA 95336

1300 W Lodi Ave Ste K11.91 miles

1300 W Lodi Ave Ste K
Lodi, CA 95242

965 E Yosemite Ave Ste 912.04 miles

965 E Yosemite Ave Ste 9
Manteca, CA 95336

1140 Norman Dr, Ste 212.35 miles

1140 Norman Dr, Ste 2
Manteca, CA 95336

1341 Historical Plaza Way12.39 miles

1341 Historical Plaza Way
Manteca, CA 95336

On-site Only13.40 miles

On-site Only
Lodi, CA 95242

1550 Colony Rd Ste B16.23 miles

1550 Colony Rd Ste B
Ripon, CA 95366

2160 W Grant Line Rd Ste 23016.71 miles

2160 W Grant Line Rd Ste 230
Tracy, CA 95377

644 W 12th St16.98 miles

644 W 12th St
Tracy, CA 95376

632 West 11th Street, Suite 11517.05 miles

632 West 11th Street, Suite 115
Tracy, CA 95376

4601 Dale Rd Fl 421.76 miles

4601 Dale Rd Fl 4
Modesto, CA 95356

1181 Central Boulevard, Suite C22.34 miles

1181 Central Boulevard, Suite C
Brentwood, CA 94513

3901 Walnut Blvd Ste A-222.42 miles

3901 Walnut Blvd Ste A-2
Brentwood, CA 94513

2400 Balfour Rd Ste 23023.02 miles

2400 Balfour Rd Ste 230
Brentwood, CA 94513

3125 Conant Ave23.26 miles

3125 Conant Ave
Modesto, CA 95350

4501 Sand Creek Rd25.06 miles

4501 Sand Creek Rd
Antioch, CA 94531

2112 Mchenry Ave25.43 miles

2112 Mchenry Ave
Modesto, CA 95350

1064 Woodland Ave Ste F25.61 miles

1064 Woodland Ave Ste F
Modesto, CA 95351

3450 Hillcrest Ave25.70 miles

3450 Hillcrest Ave
Antioch, CA 94531

1541 Florida Ave Ste 10225.71 miles

1541 Florida Ave Ste 102
Modesto, CA 95350

Drug Testing Near Me

Searching for reliable drug testing services in your area?

Accredited Drug Testing, Inc. stands out as a leading and reputable provider of both same-day drug and alcohol testing services. With an expansive network of over 20,000 testing sites throughout the nation, including convenient options in the Stockton, CA, we accommodate a wide range of testing needs. Whether your requirements include DoT-mandated tests, screenings mandated by the court, pre-hire drug assessments, or personal testing purposes, scheduling with us is a straightforward, swift, and private process. Our certified collection sites and laboratories are committed to delivering dependable and precise outcomes, adhering to both federal and state regulatory standards. Reach out effortlessly by calling (800) 221-4291 or by scheduling the service you need online at any time 24/7 here for the most convenient drug testing site near you. For the utmost assurance in safety, compliance, and confidentiality, Accredited Drug Testing consistently provides trustworthy outcomes, on time, every time.

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 remains the predominant method for screening drugs in the United States, particularly as it is the exclusive approved procedure for DOT-regulated drug testing under 49 CFR Part 40. This technique identifies recent substance intake by examining urine for drugs, metabolites, or alcohol indicators. The method is standardized, ensures confidentiality, and is tailored to deliver precise, legally sound results for employers, individuals, and judicial programs within Stockton, CA and nationwide.

Testing Process & Methodology

1. Verifying Donor Identities

Every donor presents an official ID and completes necessary chain-of-custody paperwork before the test is administered.

2. Ensuring a Secure Collection Site

Specimens are collected in a regulated restroom setting to deter tampering. Protocols might include limiting personal belongings, securing water sources, and adding dye to toilet water.

3. Documenting Chain of Custody

Utilizing a recognized Chain of Custody Form (CCF), the sample is meticulously tracked from collection through laboratory analysis, which safeguards its integrity and supports legal defensibility.

4. Conducting Temperature & Validity Checks

Right after collection, specimen temperature and appearance are verified. The laboratory further assesses validity, testing for factors like creatinine levels, pH balance, specific gravity, and the presence of adulterants.

5. Implementing DOT Split Specimen Practices

Under DOT standards, urine samples are divided into two separate vials; one for the primary analysis and the second for retesting if needed. Non-DOT tests require only one vial.

6. Laboratory Screening and Confirmatory Testing

At SAMHSA-certified labs, samples undergo a two-tier analysis:

7. Verification by MRO

A medical review officer scrutinizes non-negative outcomes, confirms results, and consults donors regarding medical explanations before finalizing results.

Timeline for Urine Test Results

Extra time might be required for specific scenarios like shy bladder cases, invalid samples, or additional laboratory and donor follow-up.

Advantages of Urine Drug & Alcohol Screening

Notwithstanding the shorter detection range, urine testing prevails as the most feasible and effective method for screening purposes nationwide.

How Hair Drug Testing Works

Hair drug and alcohol testing represents a trustworthy laboratory method for uncovering long-term substance consumption patterns. This method stands apart from urine testing, which is limited to identifying recent use. Instead, hair testing reviews a 90-day detection period by examining drug metabolites trapped within hair strands, thus serving as an optimal choice for workplace initiatives, legal proceedings, child custody evaluations, and any need for long-view substance use insights.

Testing Methods & Collection Process

  • 1. Donor Identity Verification: Donors must present valid ID, ensuring completion of all consent and chain-of-custody forms for proper tracking.
  • 2. Hair Collection Procedure: A trained individual gathers a small sample of hair, 100-120 strands, from as nearby to the scalp as possible preferably from the crown. Body hair is an alternative if head hair is inaccessible.
  • 3. Chain of Custody Documentation: The process uses a Hair Drug Test Custody and Control Form, vital for safeguarding legal defensibility and secure specimen transfer.
  • 4. Laboratory Preparation & Analysis: Laboratories undertake several forensic steps, including decontamination, cutting/grinding, and meticulous extraction of drug metabolites, ensuring the sample's analytic readiness.

Following preparation, samples undergo complex laboratory testing:

  • Initial Screening: Using immunoassay to spot drug classes.
  • Confirmation Testing: Utilizes GC/MS or LC/MS for scientifically precise drug and metabolite verification.
  • 5. Metabolite Detection: Metabolites become integrated into hair as it grows, providing a resilient, long-running record of use.
  • 6. MRO Review: A Medical Review Officer confirms non-negative results, checks for medical explanations, and issues a lawful final result.

How Long Do Hair Test Results Take?

  • Standard Hair Test: 2-3 business days after laboratory receipt.
  • Complex Panels or Alcohol Testing(EtG/FAEE): Ranges 3-5 business days, subject to testing complexity.

Hair testing processes, requiring detailed steps, have a longer turnaround than urine tests but offer matchless detection reliability.

Benefits of Hair Drug & Alcohol Testing

  • Extensive 90-day detection timeline for assessing long-standing substance use.
  • Extremely resistant to manipulation or false alteration, offering credible results.
  • Clearly showcases consistent, sporadic, or ceased substance behaviors.
  • Best used in legal jurisdiction, child custody matters, and compliance checks.
  • Quick, non-invasive collection.
  • Superior accuracy through GC/MS and LC/MS confirmation.

Limitations of Hair Drug & Alcohol Testing

  • Does not capture very recent use (5-7 days following use).
  • Higher expense relative to urine or oral fluid exams.
  • Body hair's detection timeframe is less precise.
  • Substances may integrate uniquely depending on hair type and development speed.
  • Currently not valid for DOT testing needs.

Despite these constraints, hair testing remains among the most dependable for pinpointing long-standing substance consumption in Stockton, CA and is favored by employers, legal entities, and individuals in pursuit of tamper-resistant, accurate outcomes.

Alcohol & Drug Testing-How Each Method Works

In Stockton, CA, Accredited Drug Testing offers an extensive selection of alcohol and drug screening options tailored to align with employer, DOT, judicial, and personal requirements. Recognizing each method's unique qualities provides clarity in choosing the best fit, offering accurate, dependable results fully compliant with both federal and Stockton, CA state mandates. Our vast network of certified facilities, coupled with skilled Medical Review Officers, highlights our dedication to professionalism, ensuring precise testing results every time.

Alcohol Urine Drug Test

An alcohol urine test uncovers recent alcohol intake by revealing ethanol metabolites in urine samples. Though it estimates recent consumption within hours, rather than immediate impact, it's widely applied in workplace, legal, and post-incident scenarios as an effective, budget-friendly option.

ETG Alcohol Test (Urine)

The EtG urine test is engineered to identify alcohol use for up to 80 hours post-ingestion through its sensitivity to ethanol's direct byproducts. Used broadly in legal, rehab, and compliance monitoring, it surpasses conventional urine alcohol testing in detection duration, excelling in reliability and precision.

Breath Alcohol Test

Through the use of DOT-endorsed devices, a breath alcohol test assesses current impairment by measuring alcohol vapor from deep lung breath, delivering immediate and legitimate results. Essential for DOT-dependent employees and frequently employed for workplace protocols or under suspicious circumstances.

Blood Alcohol Test

A blood alcohol test precisely quantifies ethanol concentration in blood, offering the highest accuracy level in detecting impairment, pivotal in DUI investigations and legal probes where precise scrutiny is crucial.

PEth Alcohol Blood Test

The PEth blood test serves as a discerning measure for chronic alcohol consumption, identifiable via unique biomarkers within red blood cells. Effective for monitoring persistent alcohol use over weeks, it is selectively employed in family law, treatment facilities, and safety-sensitive sectors.

ETG Alcohol Test (Hair)

An EtG hair test encompasses a 90-day detection span, evaluating alcohol use over prolonged durations through hair shaft metabolites. Favorable for legal and custody proceedings, it remains obstinately resistant to short-term abstinence tactics due to its intrinsic thematically.

Through knowledgeable direction, nationally recognized labs, and prompt arrangement, Accredited Drug Testing ensures every screening method furnishes appropriate, clear-cut, and regulatory-conforming outputs, aiding individuals and employers in maintaining compliance, security, and informed awareness.


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

Super Easy!

Super easy to set up an appointment through the phone. They walked me through all the steps and found me a location right near my house. Would definitely recommend!

Aldita Lumaj - 1/17/2025

ADT is truly the best

Where do I start?!! ADT is truly the best!! I had the pleasure of speaking with Tori today! She was excellent, professional and truly went above and beyond in her kind, compassionate care and commitment to providing me with the best service possible. I was in such a time crunch, but I was able to call, order the test, pay for it over the phone and get the test I needed within the hour. Not only did this put my mind at ease, they saved my job!! I am forever grateful for this team of hard workers, that care, with such great work ethics! Thank you from the very bottom of my heart!!! If you need a drug, alcohol, etc… screening, this team will be your lifesavers!!

Sarah Patterson - 4/8/2025

Excellent service!

Excellent service! Trish went above and beyond to find me a testing site as close to my home as possible. Results were faster than expected, as well. Thanks for your help, Trish and Accredited!

Es Hache - 4/13/2025

Fast and easy

It was fast and easy a pleasure to talk to the customer service people great service

Peter Villegas - 1/19/2025

A very nice company

A very nice company of expertise. The staff will go above to help you out of your situation in a timely matter 👏

Tam Jack - 2/19/2025


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(800) 221-4291