Drug & Alcohol Testing Near Me - Richmond, 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 Richmond

Minutes Away, Test Today

120 Broadway Ste 230.23 miles

120 Broadway Ste 23
Richmond, CA 94804

901 Nevin Ave Bldg B Floor 10.72 miles

901 Nevin Ave Bldg B Floor 1
Richmond, CA 94801

3726 Barrett Ave0.78 miles

3726 Barrett Ave
Richmond, CA 94805

2000 Vale Rd1.27 miles

2000 Vale Rd
San Pablo, CA 94806

2425 Church Ln1.75 miles

2425 Church Ln
San Pablo, CA 94806

2970 Hilltop Mall Rd Ste 2033.09 miles

2970 Hilltop Mall Rd Ste 203
Richmond, CA 94806

2505 Bataan St Ste O5.00 miles

2505 Bataan St Ste O
Oakland, CA 94607

4749 Surrey Ln5.45 miles

4749 Surrey Ln
El Sobrante, CA 94803

2850 7th St Ste 1006.38 miles

2850 7th St Ste 100
Berkeley, CA 94710

500 Alfred Nobel Drive, Suite 1156.93 miles

500 Alfred Nobel Drive, Suite 115
Hercules, CA 94547

6001 Shellmound St Ste 8507.27 miles

6001 Shellmound St Ste 850
Emeryville, CA 94608

2450 Ashby Ave7.35 miles

2450 Ashby Ave
Berkeley, CA 94705

520 6th St7.82 miles

520 6th St
Rodeo, CA 94572

25 Bellam Blvd Ste 1018.87 miles

25 Bellam Blvd Ste 101
San Rafael, CA 94901

3701 Broadway Fl 59.08 miles

3701 Broadway Fl 5
Oakland, CA 94611

4069 Piedmont Ave Ste 9109.16 miles

4069 Piedmont Ave Ste 910
Oakland, CA 94611

350 Hawthorne Ave9.19 miles

350 Hawthorne Ave
Oakland, CA 94609

3300 Webster St, Ste 11109.21 miles

3300 Webster St, Ste 1110
Oakland, CA 94609

101 Casa Buena Dr9.24 miles

101 Casa Buena Dr
Corte Madera, CA 94925

2 Fifer Ave Ste 1309.35 miles

2 Fifer Ave Ste 130
Corte Madera, CA 94925

1517 Grand Ave9.62 miles

1517 Grand Ave
Piedmont, CA 94611

1700 Broadway Ste 3109.88 miles

1700 Broadway Ste 310
Oakland, CA 94612

49 Drumm St10.14 miles

49 Drumm St
San Francisco, CA 94111

26 California St10.16 miles

26 California St
San Francisco, CA 94111

845 Jackson St10.24 miles

845 Jackson St
San Francisco, CA 94133

1220 S Eliseo Dr10.27 miles

1220 S Eliseo Dr
Greenbrae, CA 94904

1300 South Eliseo Drive, Suite 10110.29 miles

1300 South Eliseo Drive, Suite 101
Greenbrae, CA 94904

1321 S Eliseo Dr 1st Fl10.31 miles

1321 S Eliseo Dr 1st Fl
Greenbrae, CA 94904

250 Bon Air Rd10.45 miles

250 Bon Air Rd
Greenbrae, CA 94904

Drug Testing Near Me

Searching for drug testing facilities nearby? Accredited Drug Testing, Inc. is renowned across the country for offering same-day drug and alcohol tests, operating from over 20,000 locations, including those in Richmond, CA. Whether you require a DOT-compliant assessment, a court-mandated evaluation, a pre-employment test, or wish to undergo testing for personal reasons, our services are tailored to be swift, user-friendly, and discreet. All testing is done in certified centers and labs, guaranteeing precise and trustworthy outcomes compliant with both state and federal legislation. Dial (800) 221-4291 or book an appointment online at any time to locate a nearby drug testing center. When the utmost importance is placed on safety, adherence, and assurance, trust Accredited Drug Testing for prompt and reliable results every instance.

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

In the realm of drug screenings, urine testing is the dominant method across the U.S., and notably the lone technique sanctioned for DOT-regulated drug examinations per 49 CFR Part 40. This procedure identifies recent drug intake by scrutinizing a urine sample for drugs and their metabolites, as well as alcohol biomarkers. Ensuring consistency, privacy, and legal defensibility, this testing serves employers, individuals, and court-directed programs expertly, including services available in Richmond, CA.

Testing Techniques & Collection Workflow

1. Donor Verification

Donors must present a sanctioned government ID and finalize requisite chain-of-custody forms preceding the test commencement.

2. Controlled Collection Ambiance

Urine is collected in a secure restroom to thwart tampering attempts, employing measures such as personal item restrictions, secured water sources, and dyed toilet water for standard security.

3. Documented Chain of Custody

The sample's collection and laboratory transit are recorded via a sanctioned Chain of Custody Form (CCF), upholding the test's validity and legal defensibility.

4. Assessment of Temperature & Authenticity

Post-collection, the urine undergoes a temperature and attribute check, followed by validity assays at the laboratory, analyzing creatinine levels, pH, specific gravity, and potential tampering indicators.

5. DOT Split Sample Protocol

DOT urine samples are bifurcated into Bottle A for initial testing, and Bottle B reserved for retests contested by donors. Non-DOT tests involve a singular vial collection.

6. Laboratory Examination & Confirmation

Certified SAMHSA labs employ a dual-step testing regimen:

  • Preliminary Immunoassay Screening: determines drug categories.
  • Definitive Testing: GC/MS or LC/MS techniques ascertain specific drugs or metabolites accurately.

7. MRO Certification

A certified Medical Review Officer reviews, validates, and dialogues with donors on non-negative results, endorsing the final outcomes post-verification.

Urine Test Result Turnaround

  • Prompt Urine Test: Immediate negative results, with positive outcomes undergoing lab confirmation within 24-72 hours.
  • Lab-Processed Urine Test: 24-48 hours for the majority of negative results.
  • DOT Drug Examination: 1-3 business days based on MRO's review and donor communications.
  • Urine EtG Alcohol Test: Usually 24-48 hours.

Additional time may be required in cases of shy bladder, invalid samples, or when lab confirmation or donor interaction is necessitated.

Urine Drug & Alcohol Testing - Benefits

  • DOT sanctioned and federally recognized, showcasing compliance.
  • Apt for recent usage detection, valuable in workplace and post-accident settings.
  • Cost-efficient and brisk result delivery.
  • Courts, employers, and government agencies frequently accept results.
  • Allows immediate testing alternatives for urgent screens.
  • Endorses exactitude via GC/MS or LC/MS confirmatory technology.

Constraints of Urine Drug & Alcohol Testing

  • Limited detection duration (1-7 days for most substances).
  • Vulnerable to manipulation without stringent security practices.
  • Ineffective for showcasing long-term drug usage patterns.
  • Demands restroom access alongside specific collection norms.
  • Standard urine screens overlook alcohol unless EtG/EtS tests are employed.

Despite its limitations, urine testing continues to be the most feasible and widely embraced form for drug and alcohol surveillance nationwide.

How Hair Drug Testing Works

In Richmond, CA and beyond, hair drug and alcohol testing serves as a robust laboratory technique, capable of illustrating extensive histories of substance use. Diverging from urine testing which identifies recent substance intake, hair analysis offers a considerable 90-day detection period through drug metabolites lodged within the hair shaft. This testing modality is invaluable for workplace settings, legal cases, child welfare issues, and any scenario necessitating an expansive historical perspective on substance consumption.

Testing Methods & Collection Process

1. Donor Identity Verification

Embarking on the collection process, donors provide a valid government-issued identification, alongside necessary consent and chain-of-custody endorsements, to ensure flawless documentation.

2. Hair Collection Procedure

A trained specialist meticulously sources a small hair specimen around 100-120 strands from near the scalp's surface, with the crown being the preferred site. In situations devoid of head hair, body hair may suffice. The procedure remains swift, painless, and conducted with close supervision.

3. Chain of Custody Documentation

A Hair Drug Test Custody and Control Form is meticulously completed to document the collection, sealing, and handover of the specimen, guaranteeing legal defensibility and secure handling throughout the evaluation phase.

4. Laboratory Preparation & Analysis

Upon arrival at the laboratory, the sample goes through several forensic steps:

The sample then advances through sensitive laboratory analysis steps:

5. Metabolite Detection

Drug by-products integrate into the hair shaft as it grows, creating a stable, enduring account of substance usage. As these metabolites reside internally, it becomes highly challenging to falsify or alter the results of hair testing.

6. MRO Review

A certified Medical Review Officer scrutinizes all non-negative findings to verify accuracy, weighs potential medical justifications, and formally concludes with results issuance.

How Long Do Hair Test Results Take?

Due to its intricate laboratory processing, hair testing entails longer turnaround times than urine testing but affords unparalleled consistency in detection.

Advantages of Hair Drug & Alcohol Testing

  • 90-day detection period for longitudinal substance analysis.
  • Uncommonly difficult to falsify or adulterate.
  • Charts patterns of ongoing, sporadic, or ceased drug use.
  • Suitability for legal situations, child custody cases, and regulatory adherence scenarios.
  • Non-intrusive and prompt collection process.
  • Exemplary validation capabilities through GC/MS or LC/MS analyses.

Limitations of Hair Drug & Alcohol Testing

  • Inability to detect very recent usage (first 5-7 days post-use).
  • Costlier relative to urine or oral fluid evaluations.
  • Body hair cannot furnish a precise detection timeline.
  • Substance incorporation may vary with hair type and growth trajectory.
  • Not authorized for DOT testing compliance.

Despite such limitations, hair testing continues to be a highly dependable approach for unearthing long-term substance engagement and is pervasively utilized by employers, legal experts, and individuals in pursuit of accurate and tamper-resilient results.

Alcohol & Drug Testing-How Each Method Works

In Richmond, 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 Richmond, 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

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

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

Sweet and helpful

Trish was amazing and got me through the sytem very fast and swift. I had a hard time hearing her a couple of times, but she was super sweet and helpful throughout the process. Highly recommend her!

Sophia Schutze - 6/19/2024

This is by far the easiest

This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.

Jason Jackson - 7/19/2025

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024


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(800) 221-4291