Drug & Alcohol Testing Near Me - Fontana, 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

35 Drug-Testing Centers in Fontana

Minutes Away, Test Today

9961 Sierra Ave Fl 61.29 miles

9961 Sierra Ave Fl 6
Fontana, CA 92335

10444 Live Oak Ave3.28 miles

10444 Live Oak Ave
Fontana, CA 92337

7798 Cherry Ave3.57 miles

7798 Cherry Ave
Fontana, CA 92336

14384 Slover Ave3.80 miles

14384 Slover Ave
Fontana, CA 92337

425 E Foothill Blvd4.22 miles

425 E Foothill Blvd
Rialto, CA 92376

9300 Santa Anita Ave Ste 1045.99 miles

9300 Santa Anita Ave Ste 104
Rancho Cucamonga, CA 91730

599 Inland Ctr Ste 1056.58 miles

599 Inland Ctr Ste 105
San Bernardino, CA 92408

290 N 10th St Ste 1006.76 miles

290 N 10th St Ste 100
Colton, CA 92324

1805 Medical Center Dr6.99 miles

1805 Medical Center Dr
San Bernardino, CA 92411

9405 Fairway View Pl7.16 miles

9405 Fairway View Pl
Rancho Cucamonga, CA 91730

7777 Milliken Ave Ste A7.20 miles

7777 Milliken Ave Ste A
Rancho Cucamonga, CA 91730

4325 E Guasti Rd7.28 miles

4325 E Guasti Rd
Ontario, CA 91761

59 S Milliken Ave Ste 1007.34 miles

59 S Milliken Ave Ste 100
Ontario, CA 91761

402 S Milliken Ave Ste E27.41 miles

402 S Milliken Ave Ste E2
Ontario, CA 91761

850 E Washington St7.49 miles

850 E Washington St
Colton, CA 92324

10841 White Oak Ave7.56 miles

10841 White Oak Ave
Rancho Cucamonga, CA 91730

1101 S Milliken Ave Ste C7.57 miles

1101 S Milliken Ave Ste C
Ontario, CA 91761

935 S Mount Vernon Ave Ste 1017.65 miles

935 S Mount Vernon Ave Ste 101
Colton, CA 92324

10801 Foothill Blvd, Ste 1057.74 miles

10801 Foothill Blvd, Ste 105
Rancho Cucamonga, CA 91730

1461 E Cooley Dr Ste 2007.87 miles

1461 E Cooley Dr Ste 200
Colton, CA 92324

4045 E Guasti Rd Ste 2157.96 miles

4045 E Guasti Rd Ste 215
Ontario, CA 91761

8805 Haven Ave Ste 1008.05 miles

8805 Haven Ave Ste 100
Rancho Cucamonga, CA 91730

4121 Brockton Ave Ste 1048.26 miles

4121 Brockton Ave Ste 104
Riverside, CA 92501

1760 Chicago Ave Ste J38.31 miles

1760 Chicago Ave Ste J3
Riverside, CA 92507

742 W Highland Ave8.32 miles

742 W Highland Ave
San Bernardino, CA 92405

4646 Brockton Ave Ste 102,8.53 miles

4646 Brockton Ave Ste 102,
Riverside, CA 92506

3200 Inland Empire Blvd Ste 1008.53 miles

3200 Inland Empire Blvd Ste 100
Ontario, CA 91764

1894 Commercenter W Ste 1068.78 miles

1894 Commercenter W Ste 106
San Bernardino, CA 92408

1405 Spruce St Ste F8.81 miles

1405 Spruce St Ste F
Riverside, CA 92507

2920 Inland Empire Blvd Ste 1088.91 miles

2920 Inland Empire Blvd Ste 108
Ontario, CA 91764

9695 Baseline Rd8.92 miles

9695 Baseline Rd
Rancho Cucamonga, CA 91730

3550 E Philadelphia St Ste 1508.92 miles

3550 E Philadelphia St Ste 150
Ontario, CA 91761

295 E Caroline St Ste D19.20 miles

295 E Caroline St Ste D1
San Bernardino, CA 92408

2150 N Waterman Ave Ste 100b,9.39 miles

2150 N Waterman Ave Ste 100b,
San Bernardino, CA 92404

328 Commercial Rd 0ste 1019.46 miles

328 Commercial Rd 0ste 101
San Bernardino, CA 92408

Drug Testing Near Me

Searching for drug testing facilities in your vicinity? Accredited Drug Testing, Inc. stands out as the premier solution across America, offering expeditious drug and alcohol testing services available the same day at more than 20,000 strategically located centers nationwide. Our offerings encompass DOT-compliant screening, judicially mandated assessments, pre-employment drug evaluations, along with testing for individual purposes. Experience a seamless, secure, and private scheduling process with us. Our network of accredited collection sites and laboratories adheres strictly to both federal and state regulations, guaranteeing precision and trustworthiness in our results. Reach us at (800) 221-4291 or you can book online at any hour to locate a nearby drug testing center. In Fontana, CA or elsewhere, when it comes to safety, policy adherence, and assurance, rely on Accredited Drug Testing for consistent, punctual delivery of results.

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, extensively utilized across the United States, including in Fontana, CA. Particularly endorsed for DOT-compliant testing in line with the 49 CFR Part 40, this test detects recent substance intake through the examination of urine samples for drugs, metabolites, or alcohol markers with uniform standards and confidentiality, ensuring the delivery of credible results for employers, personal use, or legal obligations.

Testing Methods & Collection Process

1. Donor Identity Verification

The process commences with the donor presenting valid government identification and fulfilling the necessary chain-of-custody documentation before initiating the test.

2. Secure Collection Environment

Collection of urine samples occurs in a controlled restroom setting to eliminate the risk of tampering, with personal items and water source access typically restricted, including dyed toilet water to avert adulteration.

3. Chain of Custody Documentation

The sample's journey is documented with a Chain of Custody Form (CCF), a federally recognized instrument that fortifies the integrity and defensibility of the entire testing process from collection through to laboratory analysis.

4. Temperature & Validity Checks

To ensure authenticity, the sample's temperature and appearance are checked immediately after collection. The lab further confirms validity through evaluations like creatinine levels, pH, specific gravity, and adulterant tests.

5. DOT Split Specimen

For DOT assessments, each urine sample is bifurcated into two vials: Bottle A undergoes initial testing, while Bottle B is available for further analysis if there is any dispute over the results. Non-DOT procedures typically collect a singular vial.

6. Laboratory Screening & Confirmation

  • Initial Immunoassay Screen:  Detects various drug classes.
  • Confirmation Testing:  Through advanced GC/MS or LC/MS processes, specific drugs and their metabolites are identified with scientific accuracy.

7. MRO Verification

A certified Medical Review Officer (MRO) appraises non-negative results, validating their accuracy and consulting with the donor regarding potential medical justifications prior to the release of final results.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Negative results immediately; positive samples are sent to a lab for confirmation taking 24-72 hours.
  • Lab-Based Urine Test: Typically 24-48 hours for negative outcomes.
  • DOT Drug Test: Completion spans 1-3 business days factoring in MRO review and ensuring donor communication.
  • Urine EtG Alcohol Test: Generally results are available within 24-48 hours.

Extra time may be required for scenarios involving shy bladders, invalid samples, or necessitated confirmations, whether lab-based or via donor contact.

Benefits of Urine Drug & Alcohol Testing

  • Currently the exclusive DOT recognized method for regulatory compliance.
  • Effectively unveils recent usage, beneficial for workplace and incident-related circumstances.
  • A cost-effective solution with rapid turnaround times.
  • Credibly accepted by judicial, employment, and governmental institutions.
  • Offers immediate testing alternatives for swift evaluation.
  • Ensures high accuracy via GC/MS or LC/MS confirmation protocols.

Limitations of Urine Drug & Alcohol Testing

  • Limited detection window (typically spanning 1-7 days for most substances).
  • Potential variability in outcomes if tampering countermeasures falter.
  • Ineffective in inspecting prolonged or historical consumption patterns.
  • Necessitates restroom access in conjunction with specific collection protocols.
  • Lacks efficacy in alcohol screening without specialized EtG/EtS assays.

Despite its constraints, urine testing retains preeminence as the pragmatic, prevalent method for conducting comprehensive substance screenings across the nation.

How Hair Drug Testing Works

Hair drug and alcohol screenings stand as a credible forensic strategy to detect long-term usage frameworks. In contrast to urine testing which reveals recent consumptions, hair analysis evaluates drug metabolites ensconced in the hair shaft, offering a comprehensive 90-day observation span. This approach is invaluable for workplace assessments, legal cases, child custody disputes, and scenarios demanding a broader snapshot of an individual's substance history, with services inclusive in Fontana, CA.

Testing Procedures & Collection Workflow

1. Verification of Donor Identity

Proceedings start once the donor presents a valid government ID, finalizing every essential consent, and custody signatures for viable documentation.

2. Hair Sample Gathering

Expert collectors acquire a compact hair strain - chiefly 100-120 strands - trimmed close to the scalp. Despite the head's crown being the favored site, in its absence, alternate body hair might be harvested courteously, quietly observed throughout.

3. Custodial Chain Documentation

A Hair Drug Test Custody and Control Form is affixed to authenticate the collection, sealing, and transit of the specimen, assuring legally defensible outcomes and preserving integrity throughout testing.

4. Laboratory Conditioning & Analysis

In the lab, hair samples navigate several forensic phases:

  • Decontamination: Erasure of exterior contaminants, like smoke residue or environs.
  • Sectioning/Grinding: Hair is segmented or pulverized prepping for extraction.
  • Extraction: Drug metabolites are chemically retrieved from within the hair matrix.

The sample is then scrutinized utilizing advanced testing techniques:

  • Initial Screening - Immunoassay evaluations spotlight drug categories.
  • Verification Testing - GC/MS or LC/MS apparatuses affirmed specific drugs/metabolites with technical accuracy.

5. Metabolite Detection

While the hair nurtures, drug remains preserve within its shaft yielding a staunch long-term consumption record, rendering hair testing remarkably secure against tampering or deceit.

6. MRO Analysis

Appointed Medical Review Officers evaluate all non-negative data for compliance, cognize possible healthcare justifications, thereafter issuing the certified final inference.

Timeline for Hair Test Results

  • Standard Hair Testing: 2-3 business days post-sample arrival at the lab.
  • Intricate Panels/Alcohol Testing (EtG/FAEE): Determinable over a 3-5 business day stretch based on the test module.

Despite the protracted laboratory processes involved in hair testing, its steadfast detection reliability surpasses urine testing alternatives considerably.

Advantages of Hair Drug & Alcohol Testing

  • 90-day detection latitude reflecting enduring substance consumption.
  • Extremely impregnable against counterfeiting or tampering stratagems.
  • Charts regular, sporadic, or ceased drug usage patterns.
  • Favored in legal contests, child custody determinations, and regulatory adherences.
  • Non-invasive and rapidly executed collection.
  • Currently, no DOT regulated approvals exist for hair testing criteria.

Constraints of Hair Drug & Alcohol Testing

  • Incumbent challenges spotting very recent uses (5-7 days ensuing consumption).
  • Carries heftier expenses when estimated against urine or oral fluids tests.
  • Body hair unable to provide definite detection intervals.
  • Substances integrate with hair variably influenced by hair types and maturity rates.
  • Though possessing certain limitations, hair testing endures as a premium method for discerning chronic substance consumptions, enacted extensively by employers, legal authorities, and individual users demanding credible tamper-protected outcomes.

Alcohol & Drug Testing-How Each Method Works

In Fontana, CA, Accredited Drug Testing offers a broad spectrum of alcohol and drug testing solutions, meticulously crafted to cater to the diverse needs of employers, DOT requirements, legal mandates, and personal preferences. Recognizing the nuances of each testing type ensures the selection of the appropriate test, yielding reliable outcomes in alignment with both federal and state Fontana, CA compliance criteria. Our expansive national network, in tandem with certified labs and adept Medical Review Officers, upholds the utmost precision, trustworthiness, and professionalism indispensable for satisfactory testing results.

Alcohol Urine Drug Test

An alcohol urine test identifies recent alcohol intake by detecting ethanol traces in urine. It's commonly applied in workplace testing, judicial proceedings, and post-incident assessments. While this test doesn't indicate current impairment, it serves as a fast and budget-friendly tool, capturing a quick detection timeframe spanning several hours.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test stands as a refined method, adept at pinpointing alcohol exposure up to 80 hours post-consumption. With EtG being a direct alcohol metabolite, it's commonly embraced by courts, rehab centers, and compliance monitoring agencies for its extended detection period, accuracy, and dependability.

Breath Alcohol Test

A breath alcohol test measures present alcohol impairment by analyzing deep lung air concentration. Conducted using DOT-sanctioned breath analyzing devices (EBTs), these tests deliver instantaneous, legally sound results. This method is mandated for DOT-covered employees, ideal for workplace scenarios, post-incident examinations, and testing based on reasonable suspicion.

Blood Alcohol Test

A blood alcohol test reaches the pinnacle of accuracy in measuring blood ethanol levels, crucial in delineating impairment. The preference for blood tests by hospitals, police forces, and legal entities underscores its precision, especially in DUI cases, emergency contexts, and elaborate legal probes.

PEth Alcohol Blood Test

Standing as a distinctive assessment, the PEth (Phosphatidylethanol) blood test recognizes chronic or heavy alcohol patterns by isolating specific alcohol biomarkers within red blood cells. It boasts a detection span of up to 2-3 weeks, regarded as one of the most conclusive indicators of ongoing alcohol consumption, widely utilized in family law, monitoring scenarios, treatment programs, and safety-critical job screenings.

ETG Alcohol Test (Hair)

The EtG hair alcohol test showcases an impressive 90-day detection scope by analyzing imbibed metabolites in the hair shaft. It elucidates enduring or repeated alcohol usage patterns, distinguishing it from solitary instances. Utilized extensively in judicial, custodial, and long-duration monitoring pursuits, this test is cherished for its robustness, precision, and resilience to brief abstinence efforts.

Paired with professional guidance, nationally accredited labs, and swift arrangements, Accredited Drug Testing ensures every alcohol screening method delivers well-grounded, clear, and compliant verdicts, empowering individuals and companies to remain well-informed, protected, and compliantly aligned.


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

Smooth and Seamless

I use their service for new hire and DOT employee's. Spoke with Taisha Walker this morning, and she was very helpful. She made the process smooth and seamless.

Christina Galdos - 3/9/2025

Fast and easy

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

Peter Villegas - 1/19/2025

Extremely pleasant

Initially Torrie helped me but I needed to call back. When I called back Kayla stepped in and finished my order. Both were extremely pleasant over the phone and provided wonderful customer service. Kudos to them!

Brynne Beverly - 4/19/2024

Super helpful

Customer service was surprisingly super helpful and so nice. She was able to get me in at a local location right away the same day. She helped me figure out exactly what I needed. Very impressed.

Brook - 9/19/2024

they have made my job much easier

I always have a good experience setting up company driver drug screens through ADT. I'm really happy I found them while searching online, they have made my job much easier.

Exodus Heath - 2/13/2025


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(800) 221-4291