Drug & Alcohol Testing Near Me - Paso Robles, 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

22 Drug-Testing Centers in Paso Robles

Minutes Away, Test Today

3850 Ramada Dr Ste C46.45 miles

3850 Ramada Dr Ste C4
Paso Robles, CA 93446

1100 Las Tablas Rd7.93 miles

1100 Las Tablas Rd
Templeton, CA 93465

1101 Las Tablas Rd Ste I7.97 miles

1101 Las Tablas Rd Ste I
Templeton, CA 93465

225 Posada Ln Ste B,8.04 miles

225 Posada Ln Ste B,
Templeton, CA 93465

9700 El Camino Real12.77 miles

9700 El Camino Real
Atascadero, CA 93422

47 Santa Rosa St24.75 miles

47 Santa Rosa St
San Luis Obispo, CA 93405

1010 Murray Ave24.84 miles

1010 Murray Ave
San Luis Obispo, CA 93405

1223 Higuera St Ste 10225.39 miles

1223 Higuera St Ste 102
San Luis Obispo, CA 93401

2150 Main St Ste 325.59 miles

2150 Main St Ste 3
Cambria, CA 93428

1239 Osos St,25.61 miles

1239 Osos St,
San Luis Obispo, CA 93401

3033 Augusta St26.47 miles

3033 Augusta St
San Luis Obispo, CA 93401

283 Madonna Rd Ste B26.85 miles

283 Madonna Rd Ste B
San Luis Obispo, CA 93405

877 Oak Park Blvd35.63 miles

877 Oak Park Blvd
Pismo Beach, CA 93449

880 Oak Park Blvd Suite 20135.74 miles

880 Oak Park Blvd Suite 201
Arroyo Grande, CA 93420

1165 Phelps Ave Ste 20338.39 miles

1165 Phelps Ave Ste 203
Coalinga, CA 93210

1191 Phelps Ave38.43 miles

1191 Phelps Ave
Coalinga, CA 93210

1165 Phelps Avenue, Suite 10738.51 miles

1165 Phelps Avenue, Suite 107
Coalinga, CA 93210

2555 Willow Rd41.38 miles

2555 Willow Rd
Arroyo Grande, CA 93420

300 Canal St47.33 miles

300 Canal St
King City, CA 93930

1180 Broadway St47.43 miles

1180 Broadway St
King City, CA 93930

809 Broadway St47.43 miles

809 Broadway St
King City, CA 93930

301 E Cook St Ste C49.74 miles

301 E Cook St Ste C
Santa Maria, CA 93454

Drug Testing Near Me

Searching for drug testing in Paso Robles, CA? Accredited Drug Testing, Inc. stands as a highly reliable national provider, offering same-day drug and alcohol testing at over 20,000 locations across the United States, including many sites in Paso Robles, CA. Whether the requirement is for a DOT-regulated examination, a court-mandated screening, a pre-employment drug check, or a personal test for individual purposes, our services make the scheduling process swift, effortless, and confidential. We utilize certified collection sites and laboratories to ensure that the results are both accurate and dependable, adhering to federal and Paso Robles, CA state compliance standards. To find a convenient drug testing center nearby, simply call (800) 221-4291 or schedule an appointment online 24/7. When it comes to prioritizing safety, compliance, and peace of mind, Accredited Drug Testing consistently delivers timely and credible 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

In Paso Robles, CA, urine drug testing stands as the predominant method for substance screening across the nation and remains the sole approved option for DOT-regulated drug testing under 49 CFR Part 40. This technique determines recent drug or alcohol use by examining a urine sample for substances and related metabolites. The process is standardized, private, and structured to produce accurate, legally defensible results for employers, individuals, and mandated programs.

Testing Methods & Collection Process

1. Identity Verification

The donor must present a verified government-issued identification and complete chain-of-custody documentation prior to commencing the test.

2. Secure Collection Environment

Urine samples are collected in a controlled restroom setting to prevent tampering, with personal effects restricted, water sources secured, and toilet water colored as a security measure.

3. Chain of Custody Documentation

Completion of a recognized Chain of Custody Form (CCF) ensures the sample's integrity from collection through laboratory analysis, legally supporting the test results.

4. Temperature & Validity Checks

Immediately post-collection, the sample's temperature and appearance are verified. The laboratory conducts additional validity checks, including creatinine levels, pH, specific gravity, and adulterant screening.

5. DOT Split Specimen

For DOT-required tests, specimens are divided into two vials Bottle A for primary analysis and Bottle B for potential retesting, maintaining integrity for dispute scenarios.

6. Laboratory Screening & Confirmation

Tests are conducted in SAMHSA-certified laboratories using a dual process:

  • Primary Immunoassay Screen: Classification of drugs.
  • Confirmation Testing: GC/MS or LC/MS analyses for precise identification of specific drugs and metabolites.

7. MRO Verification

A qualified Medical Review Officer reviews non-negative results, ensuring accuracy and checking for authorized medical justifications.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Negative results the same day; positive samples sent to lab for confirmation (24-72 hours).
  • Lab-Based Urine Test: Most negatives finalized within 24-48 hours.
  • DOT Drug Test: Generally 1-3 business days, depending on MRO overview and donor communication.
  • Urine EtG Alcohol Test: Typically delivered within 24-48 hours.

Additional delays may occur due to shy bladder, invalid samples, or necessary lab confirmations or donor communications.

Benefits of Urine Drug & Alcohol Testing

  • Exclusively DOT Approved for federal-regulated testing.
  • Effective for detecting recent usage, ideal for workplaces and post-incident assessments.
  • A cost-effective solution with fast results.
  • Recognized by courts, employers, and governmental organizations.
  • Rapid testing available for immediate screening.
  • Precise confirmations through GC/MS or LC/MS methodologies.

Limits of Urine Drug & Alcohol Testing

  • Short detection window (typically 1-7 days per drug class).
  • Possibility for manipulation without strict security controls.
  • Unable to show extended or historical substance use patterns.
  • Requires dedicated collection space and protocols.
  • Standard urine screenings do not test for alcohol without specific EtG/EtS assays.

Despite certain limitations, urine testing continues to be the prevailing method for comprehensive drug and alcohol screening in Paso Robles, CA and across the nation.

How Hair Drug Testing Works

In the state of Paso Robles, CA, hair drug and alcohol testing is a trusted laboratory technique that detects long-term substance use. Unlike urine tests that catch recent use, hair analysis has a 90-day detection window, identifying drug metabolites integrated within hair strands. This makes hair testing ideal for ongoing workplace monitoring, legal disputes, child custody considerations, and situations requiring a comprehensive view of substance use history.

Testing Methods & Collection Process

1. Donor Identity Verification

Prior to sample collection, individuals must present valid government identification, with all related consent and custody documentation completed to ensure legally binding results.

2. Hair Collection Procedure

A trained professional clips a small sample usually around 100-120 strands close to the scalp. The preferred source is the head's crown, yet body hair can be used if needed. The process is quick, non-invasive, and conducted under supervision.

3. Chain of Custody Documentation

Completion of a Hair Drug Test Custody and Control Form logs the specimen's collection, sealing, and handling, ensuring the protection and legality of outcomes.

4. Laboratory Preparation & Analysis

In the lab, hair samples undergo critical forensic stages:

Then, samples undergo precise lab analysis:

5. Metabolite Detection

Drug metabolites become embedded in the hair as it grows, forming a robust record of substance usage. The intrinsic nature of metabolites in hair makes this test immune to tampering.

6. MRO Review

A certified Medical Review Officer evaluates any non-negative outcomes for accuracy, examining plausible medical reasons and delivering an official report.

How Long Do Hair Test Results Take?

Although hair testing has a slightly extended turnaround compared to urine tests, its detection reliability is unrivaled.

Alcohol & Drug Testing-How Each Method Works

Accredited Drug Testing extends a comprehensive assortment of drug and alcohol screening services, crafted to fulfill testing demands for employers, DOT, legal systems, and personal needs, even statewide in Paso Robles, CA. Knowing how each testing method operates allows for accurate selection and dependable results, fully aligned with federal and state standards. Our broad network, certified labs, and expert Medical Review Officers uphold the necessary precision, trust, and professionalism for sound testing outcomes.

Alcohol Urine Drug Test

The alcohol urine test detects recent alcohol intake by finding ethanol metabolites within urine, mostly utilized in workplace testing, court cases, and post-accident scenarios. Though not measuring current impairment, it provides a brief detection window over several hours, presenting a swift, cost-effective choice for screening.

ETG Alcohol Test (Urine)

An EtG (Ethyl Glucuronide) urine test is a sensitive method discerning alcohol use up to 80 hours post-consumption. As EtG is a direct derivative of ethanol, this test is widely exercised by courts, rehab programs, and compliance monitoring organizations. Delivering a more extended timeline than standard alcohol urine tests, it's renowned for accuracy and consistency.

Breath Alcohol Test

A breath alcohol test gauges current impairment by analyzing the alcohol concentration in deep lung air. Utilizing DOT-sanctioned breath Alcohol Devices (EBTs), these tests provide instant, admissible results. Essential for DOT-covered employees, they're also prevalent in workplace, accident aftermath, and reasonable suspicion testing scenarios.

Blood Alcohol Test

The blood alcohol test directly quantifies ethanol in the bloodstream, esteemed for its accuracy in determining impairment. This method is utilized by hospitals, law officials, and legal entities, particularly valuable for DUI cases, emergency care, and intensive legal investigations.

PEth Alcohol Blood Test

A PEth (Phosphatidylethanol) blood test discerns chronic or substantive alcohol consumption by identifying unique alcohol biomarkers in red blood cells, sensitive up to 2-3 weeks. Regarded as among the most reliable indicators of extended drinking behaviors, it sees common use in family law, control programs, treatment centers, and sensitive industry pre-employment screenings.

ETG Alcohol Test (Hair)

Offering a 90-day detection range, the EtG hair alcohol test examines ethanol metabolites in the hair shaft, understanding repeated or chronic use rather than one-time events. Highly utilized in court hearings, child custody matters, and prolonged monitoring projects, the method is prized for stability, precision, and resistance to brief abstinence attempts.

With the competence of skilled experts, acclaimed national labs, and expedient scheduling, Accredited Drug Testing guarantees each alcohol testing method furnishes clear, defensible insights that assist individuals and businesses to stay knowledgeable, assured, and wholly compliant with Paso Robles, CA's stringent regulations.


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

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

Unbelievably fast and Easy

Unbelievably fast and Easy, I wont be using Any other provider from now on.

Ren Wisby - 4/19/2025

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

Clear and Competent

I was so surprised with the quality of customer service I received today when I called Accredited Drug Testing. The representative was so clear and competent. She was able to reschedule an appointment at my preferred location. The representative whose name is Justice, was so polite and competent. She expedited the whole process. It was a relief to me.

Rachel Padian - 9/6/2024

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


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Paso Robles Hair Drug Testing

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

Paso Robles Alcohol Testing

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

Paso Robles Drug Testing Services

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

Paso Robles 5 Panel Drug Test

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

Paso Robles 10 Panel Drug Test

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

Paso Robles On Site Drug Testing

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

Paso Robles DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Paso Robles, 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