Drug & Alcohol Testing Near Me - Corona, 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

31 Drug-Testing Centers in Corona

Minutes Away, Test Today

800 S Main St0.14 miles

800 S Main St
Corona, CA 92882

118 W 9th St,0.22 miles

118 W 9th St,
Corona, CA 92882

800 Magnolia Ave Ste 1081.37 miles

800 Magnolia Ave Ste 108
Corona, CA 92879

2250 S. Main St # 105,1.41 miles

2250 S. Main St # 105,
Corona, CA 92882

1820 Fullerton Ave1.43 miles

1820 Fullerton Ave
Corona, CA 92881

1690 W 6th St Ste K1.85 miles

1690 W 6th St Ste K
Corona, CA 92882

4234 Riverwalk Parkway Suite 2005.05 miles

4234 Riverwalk Parkway Suite 200
Riverside, CA 92505

10800 Magnolia Ave Mob 1, 4th Fl, 4j5.92 miles

10800 Magnolia Ave Mob 1, 4th Fl, 4j
Riverside, CA 92505

3865 Jackson St8.06 miles

3865 Jackson St
Riverside, CA 92503

3975 Jackson St. Ste 1048.06 miles

3975 Jackson St. Ste 104
Riverside, CA 92503

9041 Magnolia Ave Ste 107b8.13 miles

9041 Magnolia Ave Ste 107b
Riverside, CA 92503

15302 El Prado Rd9.61 miles

15302 El Prado Rd
Chino, CA 91710

5475 E La Palma Ave10.81 miles

5475 E La Palma Ave
Anaheim, CA 92807

3550 E Philadelphia St Ste 15010.93 miles

3550 E Philadelphia St Ste 150
Ontario, CA 91761

4300 Central Ave10.99 miles

4300 Central Ave
Riverside, CA 92506

599 Inland Ctr Ste 10511.00 miles

599 Inland Ctr Ste 105
San Bernardino, CA 92408

3579 Arlington Ave Ste 30011.18 miles

3579 Arlington Ave Ste 300
Riverside, CA 92506

3600 Central Ave Ste 311.41 miles

3600 Central Ave Ste 3
Riverside, CA 92506

2171 S Grove Ave Ste A11.56 miles

2171 S Grove Ave Ste A
Ontario, CA 91761

20770 Ash Cir Ste 20011.91 miles

20770 Ash Cir Ste 200
Yorba Linda, CA 92886

1101 S Milliken Ave Ste C12.22 miles

1101 S Milliken Ave Ste C
Ontario, CA 91761

5475 Walnut Ave12.45 miles

5475 Walnut Ave
Chino, CA 91710

4646 Brockton Ave Ste 102,12.46 miles

4646 Brockton Ave Ste 102,
Riverside, CA 92506

13768 Roswell Suite 220,12.62 miles

13768 Roswell Suite 220,
Chino, CA 91710

402 S Milliken Ave Ste E212.76 miles

402 S Milliken Ave Ste E2
Ontario, CA 91761

4121 Brockton Ave Ste 10412.89 miles

4121 Brockton Ave Ste 104
Riverside, CA 92501

59 S Milliken Ave Ste 10012.94 miles

59 S Milliken Ave Ste 100
Ontario, CA 91761

4045 E Guasti Rd Ste 21513.03 miles

4045 E Guasti Rd Ste 215
Ontario, CA 91761

4325 E Guasti Rd13.07 miles

4325 E Guasti Rd
Ontario, CA 91761

2920 Inland Empire Blvd Ste 10813.51 miles

2920 Inland Empire Blvd Ste 108
Ontario, CA 91764

3200 Inland Empire Blvd Ste 10013.52 miles

3200 Inland Empire Blvd Ste 100
Ontario, CA 91764

Drug Testing Near Me

If you're in search of drug testing locations near me, then look no further! Accredited Drug Testing, Inc. stands out as a leading, reliable provider of same-day drug and alcohol testing services, administering screenings across a broad network of over 20,000 facilities nationwide, including in Corona, CA. Whether it's a DOT-compliant test, a court-mandated evaluation, a pre-employment drug screening, or an individual personal test, we ensure a hassle-free, discreet scheduling process. Our certified collection sites and state-of-the-art laboratories deliver precise, compliant results that adhere strictly to both federal and state regulations. For ease of use, simply call (800) 221-4291 or schedule effortlessly online, 24/7, and locate a nearby drug testing center that best suits your needs. When prioritizing safety, regulatory compliance, and peace of mind, Accredited Drug Testing ensures punctual, dependable results 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, as the nation's primary testing type, uniquely stands as the authorized method for DOT-regulated drug assessments under 49 CFR Part 40. By analyzing urine samples to detect drugs, drug residues, or alcohol indicators, this approach spotlights recent substance use, ensuring legally sound results for employers, individuals, and mandated programs.

Testing Methods & Collection Process

1. Donor Identity Verification

Verification starts with presenting valid government ID and completing vital chain-of-custody paperwork, set before testing begins.

2. Secure Collection Environment

Urine is gathered in managed settings to deter tampering, enforcing restricted belongings access, secured water sources, and dyed toilet water.

3. Chain of Custody Documentation

The Chain of Custody Form (CCF) rigorously documents the sample's journey from collection through lab analysis, safeguarding result integrity and legal standing.

4. Temperature & Validity Checks

The collection involves immediate checks for vital parameters like temperature, appearance, and lab-conducted validity testing, including checks on pH and other markers.

5. DOT Split Specimen

For DOT cases, specimens are split into Bottle A for initial and Bottle B for any dispute-related further testing, while non-DOT applies a single vial.

6. Laboratory Screening & Confirmation

  • Initial Immunoassay Screen: identifies broader drug categories.
  • Confirmation Testing: pinpoints specific drugs/metabolites with advanced GC/MS or LC/MS.

7. MRO Verification

A certified Medical Review Officer (MRO) examines non-negative outcomes, ensuring testimony accuracy and donor dialogue before releasing conclusive results.

How Long Do Urine Test Results Take?

  • Instant Urine Test: gives same-day negative results while positive samples await lab confirmation (24-72 hours).
  • Lab-Based Urine Test: yields most negative findings within 24-48 hours.
  • DOT Drug Test: generally takes 1-3 business days based on MRO review and donor replies.
  • Urine EtG Alcohol Test: resolves in usually 24-48 hours.

Extended analysis might be involved for shy bladder, invalid samplings, or further lab scrutiny or donor interviews.

Benefits of Urine Drug & Alcohol Testing

  • The exclusive DOT endorsed and federally observed technique for regulated tests.
  • Detects recent consumption, fitting well with workplace or post-incident needs.
  • Offers economic benefits and swift results.
  • Recognized extensively by judicial, corporate, and public authorities.
  • Allows for urgent rapid screening.
  • Delivers reliable outcomes with high-spec technology.

Limitations of Urine Drug & Alcohol Testing

  • Drug detection timeframe is short (1-7 days).
  • Security lapses might promote sample tampering.
  • Invariant when documenting historical usage.
  • Depends on restroom presence and precise procedures.
  • Standard urine screenings miss alcohol unless EtG/EtS is applied.

Despite these constraints, urine screening is the most pragmatic, widely adopted asset for alcohol and drug analysis.

How Hair Drug Testing Works

Hair drug and alcohol testing in Corona, CA serves as a cornerstone for assessing long-term drug and alcohol consumption habits, offering a search window that spans 90 days. Unlike urine tests, which only capture immediate substance use, hair testing examines metabolites entrenched within hair strands, rendering it particularly beneficial for employment screenings, judicial cases, child custody deliberations, and instances where an extended understanding of substance use is needed.

Testing Techniques & Collection Methodology

How Long Do Hair Test Results Take?

While hair testing demands a marginally longer processing time than urine testing, it ensures a consistent detection rate.

Benefits of Hair Drug & Alcohol Testing

Despite limitations, hair testing endures as vital for detecting long-term substance use.

Alcohol & Drug Testing-How Each Method Works

In Corona, 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 Corona, 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

Very helpful

They were very helpful in finding a place to get tested on the route back home! They made a difficult time seem easy with no judgement!

Anne Creden - 11/19/2024

Fast and easy

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

Peter Villegas - 1/19/2025

Excellant Performance

The visit here is always the best . The place is always really clean. The employees are super courteous, very polite, and professional. This is the only drug lab I like to go do my drug and alcohol test. I would like to tell them thank you so much for thier excellent performance and job

Eli Gonzalez - 1/4/2025

Quick, knowledgeable and courteous

Quick, knowledgeable and courteous Janelle worked diligently to support me. I am recommending their services to anyone looking.

Greensboro Joseph - 11/19/2024

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


Sources


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Comprehensive 10 panel drug testing with fast, reliable results—trusted for Corona, CA workplace and personal testing needs.

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Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Corona, CA workplace compliant.

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Certified DOT physicals with quick, reliable exams to keep Corona, 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