Drug & Alcohol Testing Near Me - Los Altos, 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

39 Drug-Testing Centers in Los Altos

Minutes Away, Test Today

2500 Grant Rd1.22 miles

2500 Grant Rd
Mountain View, CA 94040

2290 W El Camino Real Ste 41.92 miles

2290 W El Camino Real Ste 4
Mountain View, CA 94040

573 W El Camino Real1.93 miles

573 W El Camino Real
Mountain View, CA 94040

877 W Fremont Avenue, Ste H-23.04 miles

877 W Fremont Avenue, Ste H-2
Sunnyvale, CA 94087

901 W El Camino Real3.08 miles

901 W El Camino Real
Sunnyvale, CA 94087

10050 Bubb Rd Ste 34.23 miles

10050 Bubb Rd Ste 3
Cupertino, CA 95014

10050 N Wolfe Rd Ste Sw1-1904.51 miles

10050 N Wolfe Rd Ste Sw1-190
Cupertino, CA 95014

1195 E Arques Ave Bldg 15.70 miles

1195 E Arques Ave Bldg 1
Sunnyvale, CA 94085

795 El Camino Real6.00 miles

795 El Camino Real
Palo Alto, CA 94301

300 Pasteur Dr6.16 miles

300 Pasteur Dr
Palo Alto, CA 94304

2737 Walsh Ave6.82 miles

2737 Walsh Ave
Santa Clara, CA 95051

988 Walsh Ave7.79 miles

988 Walsh Ave
Santa Clara, CA 95050

1825 Civic Center Dr Ste 77.90 miles

1825 Civic Center Dr Ste 7
Santa Clara, CA 95050

2105 Forest Ave9.41 miles

2105 Forest Ave
San Jose, CA 95128

123 Di Salvo Ave, Suite G9.43 miles

123 Di Salvo Ave, Suite G
San Jose, CA 95128

1580 Winchester Blvd Ste 2029.73 miles

1580 Winchester Blvd Ste 202
Campbell, CA 95008

1400 Coleman Ave Ste F13 Ste F-1310.09 miles

1400 Coleman Ave Ste F13 Ste F-13
Santa Clara, CA 95050

1400 Veterans Blvd Fl 110.52 miles

1400 Veterans Blvd Fl 1
Redwood City, CA 94063

242 Meridian Ave Ste C10.71 miles

242 Meridian Ave Ste C
San Jose, CA 95126

15 Tillman Ave10.76 miles

15 Tillman Ave
San Jose, CA 95126

315 S Abbott Ave10.93 miles

315 S Abbott Ave
Milpitas, CA 95035

1717 S Main St11.10 miles

1717 S Main St
Milpitas, CA 95035

3880 S Bascom Ave Ste 10911.36 miles

3880 S Bascom Ave Ste 109
San Jose, CA 95124

3880 S Bascom Ave Ste 11211.36 miles

3880 S Bascom Ave Ste 112
San Jose, CA 95124

170 Alameda De Las Pulgas11.43 miles

170 Alameda De Las Pulgas
Redwood City, CA 94062

2581 Samaritan Drive, Suite 10811.57 miles

2581 Samaritan Drive, Suite 108
San Jose, CA 95124

42650 Christy St11.86 miles

42650 Christy St
Fremont, CA 94538

39400 Padeo Padre Pkwy Mission Bldg12.00 miles

39400 Padeo Padre Pkwy Mission Bldg
Fremont, CA 94538

25, Via Luigi Pirandello12.02 miles

25, Via Luigi Pirandello
Pedara, Catania, KS 95030

700 E Calaveras Blvd12.08 miles

700 E Calaveras Blvd
Milpitas, CA 95035

5763 Stevenson Blvd12.19 miles

5763 Stevenson Blvd
Newark, CA 94560

1910 N Capitol Ave12.22 miles

1910 N Capitol Ave
San Jose, CA 95132

1100 Laurel Street, Suite F12.29 miles

1100 Laurel Street, Suite F
San Carlos, CA 94070

39180 Farwell Dr Ste 23112.50 miles

39180 Farwell Dr Ste 231
Fremont, CA 94538

46305 Warm Springs Blvd12.51 miles

46305 Warm Springs Blvd
Fremont, CA 94539

46752 Mission Blvd Ste A12.56 miles

46752 Mission Blvd Ste A
Fremont, CA 94539

35500 Dumbarton Ct12.59 miles

35500 Dumbarton Ct
Newark, CA 94560

46690 Mohave Dr12.72 miles

46690 Mohave Dr
Fremont, CA 94539

3225 Seldon Ct13.29 miles

3225 Seldon Ct
Fremont, CA 94539

Drug Testing Near Me

Searching for convenient Los Altos, CA drug testing services nearby? Partner with Accredited Drug Testing, Inc., the nation's go-to provider for prompt drug and alcohol assessments, available nationwide at over 20,000 locations. We cater to a variety of needs, including DOT-regulated tests, court-mandated screenings, pre-employment drug tests, or private individual testing. Our process is swift, discreet, and straightforward. Our certified collection sites and labs adhere to federal and Los Altos, CA state compliance standards, ensuring precise and reliable results. Give us a call at (800) 221-4291 or book online anytime to discover a convenient testing center near you. When your top priority is safety, compliance, and peace of mind, Accredited Drug Testing provides timely and dependable 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

Urine drug screenings remain the predominant approach for substance detection across the United States and is exclusively sanctioned for DOT-regulated drug testing as per 49 CFR Part 40. This process pinpoints recent drug or alcohol consumption by examining urine samples for the presence of drugs, metabolites, or alcohol indicators. This method is crafted to provide precise and legally substantiated results for all stakeholders, from businesses to individual clients and court-mandated programs, ensuring confidentiality and accuracy throughout Los Altos, CA and beyond.

Testing Methods & Collection Process

1. Donor Identity Verification

Participants are required to present valid government-issued identification, along with completing the necessary chain-of-custody documentation prior to the commencement of testing.

2. Secure Collection Environment

The urine collection occurs in a monitored restroom environment to combat any form of sample tampering. Security protocols may include controlling personal items, securing water sources, and coloring toilet water.

3. Chain of Custody Documentation

Use of a federally recognized Chain of Custody Form (CCF) ensures sample integrity is maintained from collection point to laboratory analysis.

4. Temperature & Validity Checks

The collector immediately evaluates specimen temperature and appearance post-collection. The lab further tests validity through assessing creatinine, pH, specific gravity, and checking for adulterants.

5. DOT Split Specimen

For DOT tests, specimens are divided into Bottle A (main test) and Bottle B (to contest results if necessary). Non-DOT tests utilize a single specimen vial.

6. Laboratory Screening & Confirmation

Urine samples are sent to SAMHSA-certified laboratories for extensive testing:

  • Initial Immunoassay Screen: Broad spectrum drug class detection.
  • Confirmation Testing: Utilizes GC/MS or LC/MS for precise identification of specific drugs or metabolites.

7. MRO Verification

A certified Medical Review Officer (MRO) evaluates non-negative outcomes, ensuring result accuracy and discussing potential medical explanations prior to final result disclosure.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Negative results provided same day; positives sent for further analysis (24-72 hours).
  • Lab-Based Urine Test: Most negatives confirmed within 24-48 hours.
  • DOT Drug Test: Spanning 1-3 business days, contingent on MRO review and donor follow-up.
  • Urine EtG Alcohol Test: Generally processed within 24-48 hours.

Note: Uncommon circumstances, such as shy bladder instances, incorrect specimens, need for re-confirmation, or issues with donor communication may extend processing times.

Benefits of Urine Drug & Alcohol Testing

  • Remains the exclusive DOT federal standard for controlled testing applications.
  • Perfect for detecting recent intake, useful post-incident or in work settings.
  • Cost-efficient with quick result delivery.
  • Accepted in legal, employment, and agency scopes.
  • Rapid test options available for urgent assessments.
  • Backed by high-precision confirmation techniques like GC/MS or LC/MS.

Limitations of Urine Drug & Alcohol Testing

  • Limited detection span (1-7 days for typical substances).
  • Vulnerable to interference if lacking adequate security protocol.
  • Unable to reveal historical or prolonged usage patterns.
  • Requires specialized collection facilities.
  • Standard tests do not include alcohol detection without EtG/EtS methodologies.

Despite these constraints, urine screening is lauded for its practicality and universal application in substance abuse testing protocols.

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 Los Altos, 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 Los Altos, CA.

Alcohol & Drug Testing-How Each Method Works

In Los Altos, CA, Accredited Drug Testing delivers an extensive array of drug and alcohol testing solutions tailored for workplace, legal, transportation, and personal contexts. Accurate testing ensures compliance with various laws. We utilize certified labs for valid results customary across the state:

Varying methodologies address different requirements confirming Los Altos, CA's commitment to safety norms and regulatory adherence. For employeers and individuals committed to keeping pace with regulatory compliance and informed decision-making, Accredited Drug Testing delivers unbeatable reliability and assurance.

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

Great service

Great service easy use quick processing! Need a hair follicle for my DCFS case , quick and convenient!

Jesse Dupre - 4/12/2025

Saved My CDL!

Time was running out before my Cdl got downgraded because of a violation I had on clearinghouse. I couldn't find an employer to send me for my return to duty test, but these guys had my test scheduled and done in the same day! They saved my cdl. Thank you again!

Michael Williams - 12/2/2024

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

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025

Super helpful

Customer service was surprisingly super helpful and so nice. She was able to get me in at a local location right away the same day. She helped me figure out exactly what I needed. Very impressed.

Brook - 9/19/2024


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

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

Los Altos 5 Panel Drug Test

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

Los Altos 10 Panel Drug Test

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

Los Altos On Site Drug Testing

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

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Certified DOT physicals with quick, reliable exams to keep Los Altos, 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