Drug & Alcohol Testing Near Me - Riverside, 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

32 Drug-Testing Centers in Riverside

Minutes Away, Test Today

4300 Central Ave0.18 miles

4300 Central Ave
Riverside, CA 92506

3600 Central Ave Ste 30.29 miles

3600 Central Ave Ste 3
Riverside, CA 92506

3579 Arlington Ave Ste 3000.55 miles

3579 Arlington Ave Ste 300
Riverside, CA 92506

4646 Brockton Ave Ste 102,1.65 miles

4646 Brockton Ave Ste 102,
Riverside, CA 92506

4121 Brockton Ave Ste 1042.10 miles

4121 Brockton Ave Ste 104
Riverside, CA 92501

9041 Magnolia Ave Ste 107b3.08 miles

9041 Magnolia Ave Ste 107b
Riverside, CA 92503

3975 Jackson St. Ste 1043.12 miles

3975 Jackson St. Ste 104
Riverside, CA 92503

3865 Jackson St3.14 miles

3865 Jackson St
Riverside, CA 92503

1405 Spruce St Ste F4.01 miles

1405 Spruce St Ste F
Riverside, CA 92507

1760 Chicago Ave Ste J34.03 miles

1760 Chicago Ave Ste J3
Riverside, CA 92507

6200 Box Springs Blvd5.71 miles

6200 Box Springs Blvd
Riverside, CA 92507

10800 Magnolia Ave Mob 1, 4th Fl, 4j5.73 miles

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

4234 Riverwalk Parkway Suite 2006.14 miles

4234 Riverwalk Parkway Suite 200
Riverside, CA 92505

6485 Day St Ste 102,6.86 miles

6485 Day St Ste 102,
Riverside, CA 92507

6485 Day St Ste 3027.33 miles

6485 Day St Ste 302
Riverside, CA 92507

850 E Washington St8.01 miles

850 E Washington St
Colton, CA 92324

9961 Sierra Ave Fl 68.61 miles

9961 Sierra Ave Fl 6
Fontana, CA 92335

935 S Mount Vernon Ave Ste 1018.62 miles

935 S Mount Vernon Ave Ste 101
Colton, CA 92324

24318 Hemlock Ave Ste E18.90 miles

24318 Hemlock Ave Ste E1
Moreno Valley, CA 92557

599 Inland Ctr Ste 1058.97 miles

599 Inland Ctr Ste 105
San Bernardino, CA 92408

290 N 10th St Ste 1008.99 miles

290 N 10th St Ste 100
Colton, CA 92324

10444 Live Oak Ave9.00 miles

10444 Live Oak Ave
Fontana, CA 92337

13800 Heacock St Ste C1349.05 miles

13800 Heacock St Ste C134
Moreno Valley, CA 92553

1461 E Cooley Dr Ste 2009.13 miles

1461 E Cooley Dr Ste 200
Colton, CA 92324

14384 Slover Ave9.34 miles

14384 Slover Ave
Fontana, CA 92337

7798 Cherry Ave9.42 miles

7798 Cherry Ave
Fontana, CA 92336

295 E Caroline St Ste D110.04 miles

295 E Caroline St Ste D1
San Bernardino, CA 92408

1894 Commercenter W Ste 10610.20 miles

1894 Commercenter W Ste 106
San Bernardino, CA 92408

25455 Barton Rd Ste A10610.69 miles

25455 Barton Rd Ste A106
Loma Linda, CA 92354

425 E Foothill Blvd10.75 miles

425 E Foothill Blvd
Rialto, CA 92376

16420 Perris Blvd Ste Q10.91 miles

16420 Perris Blvd Ste Q
Moreno Valley, CA 92551

1820 Fullerton Ave10.96 miles

1820 Fullerton Ave
Corona, CA 92881

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 Riverside, 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 is the most prevalent method for screenings, widely recognized nationwide, and the sole type approved for DOT-regulated drug tests in accordance with 49 CFR Part 40. This approach evaluates a urine sample to identify recent drug use, alcohol markers, or metabolites. The process is confidential, streamlined, and designed to produce legally defensible outcomes for employers, individuals, and judicial mandates.

Testing Methods & Collection Process

1. Donor Identity Verification

The donor furnishes legitimate government-issued identification and completes necessary chain-of-custody documentation before testing commencement.

2. Secure Collection Environment

Specimens are gathered in a controlled restroom setting, protecting the integrity of the test. Items may be restricted, water secured, and toilets dyed as part of security protocols.

3. Chain of Custody Documentation

A federally sanctioned Chain of Custody Form (CCF) ensures sample integrity from collection through laboratory analysis.

4. Temperature & Validity Checks

Post-collection, the specimen's temperature and appearance are validated. The laboratory conducts additional tests for validity, checking creatinine levels, pH, and specific gravity.

5. DOT Split Specimen

DOT urine samples are divided into two Bottle A for primary analysis and Bottle B for a retest if contested. For non-DOT tests, only one vial is collected.

6. Laboratory Screening & Confirmation

At SAMHSA-certified labs, samples undergo two-step analysis:

  • Initial Immunoassay Screen: detects drug classes.
  • Confirmation Testing: uses GC/MS or LC/MS to accurately identify specifics.

7. MRO Verification

A Medical Review Officer examines non-negative results, assessing potential medical explanations with the donor before finalizing.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Negative outcomes same-day; positive results take 24-72 hours.
  • Lab-Based Urine Test: Negative results available in 24-48 hours.
  • DOT Drug Test: 1-3 business days depending on MRO review.
  • Urine EtG Alcohol Test: Typically processed within 24-48 hours.

Additional time may be necessary in cases like shy bladder or for further confirmation needs.

Benefits of Urine Drug & Alcohol Testing

  • The only DOT compliant option for federally regulated testing.
  • Effective at detecting recent usage, perfect for workplaces or post-accidents in Riverside, CA.
  • Cost-effective with speedy result turnaround.
  • Accepted by courts, employers, and agencies alike.
  • Instant screening available for quick assessments.
  • Accurate with GC/MS or LC/MS confirmations.

Limitations of Urine Drug & Alcohol Testing

  • Shorter detection span for drugs 1-7 days.
  • Vulnerability to tampering if not securely managed.
  • Incapable of demonstrating long-term usage patterns.
  • Requires restroom access for sample acquisition.
  • General tests exclude alcohol unless EtG/EtS is specified.

Despite some limitations, urine testing is vital and remains a common choice nationwide.

How Hair Drug Testing Works

Hair Drug Testing in Riverside, CA

Hair drug and alcohol testing is recognized as a highly trusted laboratory technique for identifying long-standing substance use habits. Contrary to urine testing, which detects recent consumption, hair testing extends a substantial 90-day detection period by examining drug metabolites ingrained within the hair fiber. This distinctive capability makes it an apt choice for employment testing, legal disputes, child custody evaluations, and any circumstance necessitating a prolonged assessment of personal substance use history.

Testing Methods & Collection Process

Timing for Hair Test Outcomes

Though laboratory processing entails a slightly extended timeframe compared to urine testing, the unparalleled consistency achieved via hair testing is noteworthy.

Pros of Hair Drug & Alcohol Testing

Despite certain downsides like inability to detect very recent use and a higher cost, hair testing prevails as a consistently reliable choice, heavily employed by employers, legal entities, and individual applicants pursuing accurate, tamper-resistant results.

Alcohol & Drug Testing-How Each Method Works

Comprehensive Alcohol and Drug Screening in Riverside, 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

Hassle Free Experience

It was easy to make the arrangements to get to someone in regards to renewing my DOT medical certificate. They took care of everything over the phone which made my experience hassle free. I will definitely be using them again and you should too.

Jim Raymond - 10/18/2024

Super helpful and courteous

I've had to use this service twice for out of state physicians we've hired and both times it was super easy. Both customer service reps I spoke with were super helpful and courteous. I won't hesitate to use their service again if needed.

Alicia Rau - 6/19/2024

Fast,easy and efficient

Fast,easy and efficient. They made the whole process stress free and simple. Thanks 😊

Micheal Ankenbrandt - 2/19/2025

Great experience

Great experience and great lab. Customer service agent was very helpful.

Jenna Bee - 2/19/2025

Quick, Polite, Informative

Everyone has been quick to respond, polite, informative. It's been easy to order tests. I would recommend them to anyone to use.

April Rogers - 2/15/2025


Sources


Riverside Drug Testing

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Riverside Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Riverside, CA locations—results you can trust, every time!

Riverside Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Riverside, CA.

Riverside Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Riverside, CA.

Riverside 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Riverside, CA employers and individuals nationwide.

Riverside 10 Panel Drug Test

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

Riverside On Site Drug Testing

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

Riverside DOT Physicals

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