Drug & Alcohol Testing Near Me - Greenfield, 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

23 Drug-Testing Centers in Greenfield

Minutes Away, Test Today

542 Baywood Way0.84 miles

542 Baywood Way
Greenfield, CA 93927

809 Broadway St9.74 miles

809 Broadway St
King City, CA 93930

1180 Broadway St9.74 miles

1180 Broadway St
King City, CA 93930

300 Canal St9.84 miles

300 Canal St
King City, CA 93930

947 Blanco Cir Ste A31.99 miles

947 Blanco Cir Ste A
Salinas, CA 93901

535 E Romie Ln Ste 432.53 miles

535 E Romie Ln Ste 4
Salinas, CA 93901

212 San Jose Street, Suite 10132.54 miles

212 San Jose Street, Suite 101
Salinas, CA 93901

558 Abbott St Ste A32.60 miles

558 Abbott St Ste A
Salinas, CA 93901

558 Abbott St32.60 miles

558 Abbott St
Salinas, CA 93901

546 Abbott St Ste 532.62 miles

546 Abbott St Ste 5
Salinas, CA 93901

1212 S Main St32.93 miles

1212 S Main St
Salinas, CA 93901

1024 S Main St Ste E33.12 miles

1024 S Main St Ste E
Salinas, CA 93901

831 S Main St33.22 miles

831 S Main St
Salinas, CA 93901

2 Rossi Cir34.89 miles

2 Rossi Cir
Salinas, CA 93907

On-site Only36.57 miles

On-site Only
Seaside, CA 93955

591 Mccray St Ste 10137.70 miles

591 Mccray St Ste 101
Hollister, CA 95023

1513 Fremont Blvd Ste E139.13 miles

1513 Fremont Blvd Ste E1
Seaside, CA 93955

3130 Del Monte Blvd40.13 miles

3130 Del Monte Blvd
Marina, CA 93933

245 Washington St41.12 miles

245 Washington St
Monterey, CA 93940

499 Alvarado St41.14 miles

499 Alvarado St
Monterey, CA 93940

757 Pacific Street, Suite B141.16 miles

757 Pacific Street, Suite B1
Monterey, CA 93940

23625 Holman Hwy41.57 miles

23625 Holman Hwy
Monterey, CA 93940

501 Lighthouse Ave41.92 miles

501 Lighthouse Ave
Monterey, CA 93940

Drug Testing Near Me

Searching for drug testing near me?

Welcome to Accredited Drug Testing, Inc., Greenfield, CA's and the nation's go-to source for same-day drug and alcohol testing services. With a vast network of over 20,000 locations nationwide, we provide comprehensive testing solutions tailored to meet your specific needs, whether it's for DOT compliance, court mandates, workplace requirements, or personal inquiries. Our straightforward and swift scheduling process keeps your privacy intact while ensuring you get the most accurate results. Our certified laboratories and collection sites are dedicated to quality and adhere strictly to both federal and state laws. To schedule a test at a location near you, give us a call at (800) 221-4291 or conveniently schedule online at any time. For reliable testing services that prioritize safety and compliance, Accredited Drug Testing is here to serve you throughout Greenfield, CA and beyond.

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 prevalent across the United States as the only approved method for DOT-mandated drug testing under 49 CFR Part 40. This testing modality detects recent drug use by examining a urine sample for drugs, their metabolites, or alcohol biomarkers. It is an industry-standard procedure that ensures confidentiality and accuracy, offering reliable, legally-valid outcomes for employers, individuals, and judicial mandates in Greenfield, CA.

Testing Methods & Collection Process

1. Donor Identity Verification

The process commences as the donor presents valid government-issued identification and completes necessary chain-of-custody paperwork prior to testing.

2. Secure Collection Environment

Urine collections occur in a monitored setting to discourage tampering. Personal items may be checked, water sources secured, and toilet water tinted as part of standard security protocols.

3. Chain of Custody Documentation

Using a federally-recognized Chain of Custody Form (CCF) traces the specimen's journey from collection to the lab, upholding the test's integrity and legal validity.

4. Temperature & Validity Checks

Immediately following collection, the specimen's temperature and appearance are inspected. The lab also conducts validity tests, including checks for creatinine, pH, and specific gravity, along with adulterant screening.

5. DOT Split Specimen

DOT-regulated urine samples are divided into two vials: Bottle A for primary examination and Bottle B for retesting in case the donor contests the outcome. For non-DOT tests, a single vial suffices.

6. Laboratory Screening & Confirmation

Samples undergo testing at SAMHSA-certified labs using a dual-phase analysis:

  • Initial Immunoassay Screen: detects drug categories.
  • Confirmation Testing: Utilizes GC/MS or LC/MS for precise identification of specific drugs or metabolites.

7. MRO Verification

A qualified Medical Review Officer (MRO) checks non-negative results, confirming accuracy and discussing potential medical justifications with the donor before final result issuance.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Provides same-day negative outcomes; positive cases head to the lab for confirmation (24-72 hours).
  • Lab-Based Urine Test: Usually 24-48 hours for most negative outcomes.
  • DOT Drug Test: Typically 1-3 business days pending MRO examination and contacting the donor.
  • Urine EtG Alcohol Test: Generally takes 24-48 hours.

Additional time may be necessary for shy bladder cases, invalid specimens, or if confirmation testing or donor contact efforts are needed.

Benefits of Urine Drug & Alcohol Testing

  • Recognized for DOT compliance and federal law.
  • Captures recent usage, a prime choice in workplace and post-accident settings.
  • Affordable with a speedy turnaround.
  • Frequently accepted by judicial bodies, employers, and government units.
  • On-the-spot testing options are available for swift analysis.
  • High precision through GC/MS or LC/MS confirmation technologies.

Limitations of Urine Drug & Alcohol Testing

  • Short detection span (1-7 days for many drugs).
  • Risk of tampering if security protocols are improperly implemented.
  • Unable to show extended-use or historical patterns.
  • Necessity for bathroom access and certain collection methods.
  • Standard urine analyses do not detect alcohol unless EtG/EtS testing is employed.

Regardless of these constraints, urine testing remains the most feasible and widely embraced method for drug and alcohol screening nationwide, including in Greenfield, CA.

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How Hair Drug Testing Works

Hair drug and alcohol examinations serve as an exceptionally reliable technique for chronic substance use assessment. In contrast to urine tests looking at recent use, hair analysis offers a 90-day detection period, uncovering drug metabolites embedded within the hair shaft, ideal for workplaces, legal cases, and custody disputes, particularly in Greenfield, CA.

Testing Methods & Collection Process

  • Identity Verification: Before collection, donors furnish a government-issued ID, completing all essential consent and chain-of-custody signatures.
  • Collection Procedure: Collectors extract a small sample, usually 100-120 hairs, cut at the scalp. Body hair serves as an alternative if scalp hair isn't available. The process is fast, painless, and supervised.
  • Chain of Custody: A Custody and Control Form ensures the specimen's integrity during its collection, sealing, and testing phases.
  • In-depth Laboratory Analysis: The sample undergoes decontamination, is cut or ground, and metabolites are extracted. This is followed by immunoassay screening and GC/MS or LC/MS confirmatory testing.
  • Stable Metabolite Detection: Encapsulated metabolites inside hair strands provide an established record of substance use, making adulteration efforts futile.
  • MRO Review: Verifies results accuracy and confirms non-negatives, providing potential explanations.

Processing Times for Hair Analysis:

  • Standard Hair Test: Generally 2-3 business days upon lab receipt.
  • Extended Panels or Alcohol Testing (EtG/FAEE): Typically 3-5 business days.

Despite longer processes compared to urine testing, hair analysis ensures comprehensive detection consistency.

Advantages of Hair Drug & Alcohol Testing

Limitations of Hair Testing:

Yet, its widespread acceptance among employers, legal experts, and individuals highlights hair testing's effectiveness in recognizing prolonged substance use in Greenfield, CA.

Alcohol & Drug Testing-How Each Method Works

Accredited Drug Testing offers an extensive suite of drug and alcohol screening methods, meticulously tailored to address the needs of employers, DOT regulations, legal mandates, and personal requirements. Gaining insight into the nuances of each test type guarantees precise choices, dependable results, and adherence to both federal and Greenfield, CA state standards. Our vast network, certified labs, and skilled Medical Review Officers furnish the precision, reliability, and expertise indispensable for ensuring high-quality testing results.

Alcohol Urine Drug Test

An alcohol urine test discerns recent alcohol use by identifying ethanol byproducts in urine. Predominantly utilized in workplaces, court settings, and post-incident examinations, while it doesn't assess current impairment levels, its short detection period a few hours offers a swift, financially feasible screening solution that's especially relevant in Greenfield, CA.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test is acclaimed for its heightened sensitivity, capable of spotting alcohol consumption up to 80 hours post-ingestion. Given that EtG is a direct ethanol derivative, this test is widely favored by court systems, rehab initiatives, and compliance bodies, providing a lengthier detection timeframe than regular urine tests and noted for robust accuracy and dependability.

Breath Alcohol Test

A breath alcohol test gauges existing impairment by scrutinizing the alcohol concentration in deep lung air. These exams employ DOT-certified breath analyzers (EBTs) to produce immediate, legally robust outcomes. Breath analysis is mandated for employees covered by DOT, and is frequently administered for workplace scenarios, post-accident screenings, and inspections based on reasonable doubt.

Blood Alcohol Test

A blood alcohol test precisely quantifies the volume of ethanol circulating in the bloodstream, ranking as one of the most definitive measures for determining impairment. It sees prominent application in hospitals, police departments, and legal forums for its accuracy, notably in DUI contexts, emergency healthcare, and pivotal legal examinations.

PEth Alcohol Blood Test

A PEth (Phosphatidylethanol) blood test discerns ongoing or significant alcohol consumption by identifying alcohol-centric biomarkers within red blood cells. It can pinpoint usage up to 2-3 weeks, serving as a key marker of extended drinking patterns. This test is prevalent in family law matters, oversight initiatives, treatment settings, and pre-employment screenings in high-safety Greenfield, CA industries.

ETG Alcohol Test (Hair)

The EtG hair alcohol test spans a 90-day detection period by examining alcohol metabolites incorporated in the hair shaft, revealing trends of repeated or sustained alcohol use beyond singular instances. Judicial systems, custody battles, and continuous monitoring schemes rely on EtG hair testing in Greenfield, CA due to its reliability, accuracy, and resilience against temporary abstinence strategies.

With the skills of experts, nationally accredited labs, and rapid scheduling, Accredited Drug Testing guarantees that each alcohol testing method delivers defensible, transparent, and compliant results, aiding individuals and businesses in staying informed, protected, and compliant with all 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

Super Easy to Schedule

Super easy to schedule and get what you need, weather for a job, personal, or court ordered! I believe I spoke with Justine who was helpful in answering all my questions and stayed on the phone with me until she was sure I was all set and got the emails I needed.

Mandy Ryan - 12/14/2024

ADT is truly the best

Where do I start?!! ADT is truly the best!! I had the pleasure of speaking with Tori today! She was excellent, professional and truly went above and beyond in her kind, compassionate care and commitment to providing me with the best service possible. I was in such a time crunch, but I was able to call, order the test, pay for it over the phone and get the test I needed within the hour. Not only did this put my mind at ease, they saved my job!! I am forever grateful for this team of hard workers, that care, with such great work ethics! Thank you from the very bottom of my heart!!! If you need a drug, alcohol, etc… screening, this team will be your lifesavers!!

Sarah Patterson - 4/8/2025

Super Easy!

Super easy to set up an appointment through the phone. They walked me through all the steps and found me a location right near my house. Would definitely recommend!

Aldita Lumaj - 1/17/2025

Unbelievably fast and Easy

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

Ren Wisby - 4/19/2025

ADT was able to get me the best tests

Dealing with allegation’s of drug use that completely false is stressful, ADT was able to get me the best tests, going back the farthest in the same day with as little hassle as possible, I spoke with 1 person and wasn’t transferred once, and they took my payment, and got me my work order for a clinic as close as possible for the service I needed. 5*

Christopher Hansis - 12/19/2024


Sources


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(800) 221-4291