Drug & Alcohol Testing Near Me - Mammoth Lakes, 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

6 Drug-Testing Centers in Mammoth Lakes

Minutes Away, Test Today

85 Sierra Park Rd Attn Lab10.00 miles

85 Sierra Park Rd Attn Lab
Mammoth Lakes, CA 93546

272 Manor Rd Ste 2b10.00 miles

272 Manor Rd Ste 2b
Mammoth Lakes, CA 93546

9000 Ahwahnee Dr33.71 miles

9000 Ahwahnee Dr
Yosemite National Park, CA 95389

150 Pioneer Ln36.74 miles

150 Pioneer Ln
Bishop, CA 93514

5626 Heddon Ct43.59 miles

5626 Heddon Ct
Mariposa, CA 95338

48677 Victoria Ln,43.72 miles

48677 Victoria Ln,
Oakhurst, CA 93644

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 Mammoth Lakes, 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

In Mammoth Lakes, CA and across the country, urine drug testing is the most widely utilized screening method and is the exclusive test type sanctioned for DOT-regulated drug testing under 49 CFR Part 40. By evaluating a urine sample for drugs, drug by-products, or alcohol markers, recent substance use can be detected. This standardized and confidential procedure ensures the delivery of precise, legally rigorous results for employers, individuals, and legally ordered programs.

Testing Methods & Collection Process

1. Donor Identity Verification

The donor must present a legitimate government-issued ID and complete the necessary chain-of-custody signatures before initiation of testing.

2. Secure Collection Environment

Urine samples are collected in secured restroom facilities to deter tampering, often involving restrictions on personal belongings, securing water sources, and dyeing toilet water as part of security norms.

3. Chain of Custody Documentation

A federally endorsed Chain of Custody Form (CCF) meticulously tracks the sample's journey from collection through to laboratory analysis, preserving the test's integrity and legal viability.

4. Temperature & Validity Checks

Post-collection, the specimen is scrutinized for temperature and appearance accuracy. Additionally, validity testing including checks for creatinine levels, pH, specific gravity, and adulterant presence is conducted.

5. DOT Split Specimen

DOT urine tests involve bifurcation into two vials: Bottle A is utilized for primary analysis and Bottle B for retesting in case of a challenge. For non-DOT tests, a single vial is collected.

6. Laboratory Screening & Confirmation

Samples are processed in SAMHSA-certified laboratories through a dual-step process:

  • Initial Immunoassay Screen: Detects drug classes.
  • Confirmation Testing: Utilizes GC/MS or LC/MS to identify specific drugs or metabolites.

7. MRO Verification

Non-negative results are substantiated by a licensed Medical Review Officer (MRO), who validates the data and discusses any possible medical justifications with the donor prior to final result dissemination.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Immediate feedback for negative results; positives are forwarded to the lab for confirmation typically taking 24-72 hours.
  • Lab-Based Urine Test: 24-48 hours for most negatives.
  • DOT Drug Test: Generally 1-3 business days, factoring in MRO review and donor communication.
  • Urine EtG Alcohol Test: Typically processed within 24-48 hours.

Additional processing time may be necessary for situations involving shy bladders, invalid samples, or where lab validation and donor interaction are essential.

Advantages of Urine Drug & Alcohol Testing

  • The only DOT-endorsed method meeting federal regulation criteria.
  • Detects recent use, especially beneficial in workplace and post-incident analyses.
  • Cost-effective with rapid result delivery.
  • Universally accepted by courts, employers, and governmental bodies.
  • Immediate testing options available for rapid evaluation.
  • Highly precise confirmations via GC/MS or LC/MS technology.

Limitations of Urine Drug & Alcohol Testing

  • Limited detection window (generally 1-7 days for most drugs).
  • Requires stringent security to prevent tampering.
  • Doesn't reflect long-term usage patterns.
  • Necessitates accessible restroom and detailed collection protocols.
  • Standard tests don't detect alcohol unless specifically testing for EtG/EtS.

Despite these limitations, urine tests remain the leading choice for drug and alcohol detection across the nation.

How Hair Drug Testing Works

In Mammoth Lakes, CA and beyond, hair drug and alcohol testing serves as a highly consistent laboratory method to reveal long-term substance use patterns. Unlike urine testing focused on recent intoxication, hair testing provides a 90-day insight by assessing drug metabolites embedded within the hair strands. This method is especially beneficial for workplace screening, legal inquiries, child custody cases, and any context demanding a comprehensive view of a person's substance use antecedents.

Testing Methods & Collection Process

1. Donor Identity Verification

The process initiates with the donor showing a valid government ID, followed by the completion of consent and chain-of-custody documents to affirm authentic documentation.

2. Hair Collection Procedure

At collection, a trained professional acquires a minor hair sample, typically comprising 100-120 strands near the scalp. Should scalp hair be unavailable, body hair is an alternative. This immediate, painless procedure occurs under direct oversight.

3. Chain of Custody Documentation

Documentation with a Hair Drug Test Custody and Control Form logs the specimen's acquisition, sealing, and transfer to uphold legality and protect the results during testing.

4. Laboratory Preparation & Analysis

Upon reaching the lab, the hair specimen undergoes comprehensive forensic processes, including:

Following extraction, samples undergo detailed lab testing:

5. Metabolite Detection

Metabolites, trapped within the hair as it grows, offer a stable, enduring record of substance use. Given these internal incorporations, falsifying results or cheating is extremely arduous.

6. MRO Review

Certified Medical Review Officers evaluate non-negative outcomes, confirming test accuracy and scrutinizing possible medical explanations before finalizing the conclusive results.

How Long Do Hair Test Results Take?

Hair testing's multi-layered lab process implies a marginally extended turnaround than urine testing, yet ensures unparalleled detection constancy.

Benefits of Hair Drug & Alcohol Testing

  • 90-day detection window for chronic substance insights.
  • Difficult to decept or corrupt results.
  • Exposes steady, erratic, or ceased substance usage patterns.
  • Optimized for judicial, custody, and compliance requirements.
  • Painless, swift collection process.
  • Utilizes GC/MS or LC/MS for accurate confirmations.

Limitations of Hair Drug & Alcohol Testing

  • Fails to detect recent consumption (within days of intake).
  • Reportedly costlier than urine or fluid tests.
  • Body hair offers non-specific timelines.
  • Substance integration varies with hair type and growth rates.
  • Not applicable for DOT regulatory testing.

Regardless of these limitations, hair testing remains a notable method for verifying long-term substance use, leveraged broadly by employers, legal authorities, and individuals seeking credible, tamper-resistant findings.

Alcohol & Drug Testing-How Each Method Works

At Accredited Drug Testing, we present a diverse array of drug and alcohol screening strategies, each tailored to meet the demands of employers, Department of Transportation (DOT) prescriptions, legal requirements, and personal evaluations. Understanding the nuances of each method is essential for making informed decisions, ensuring trustworthy results, and guaranteeing compliance with federal and Mammoth Lakes, CA state legislation. Our extensive network, certified labs, and skilled Medical Review Officers uphold the precision, credibility, and professionalism crucial for results you can count on.

Alcohol Urine Drug Test

The alcohol urine test is designed to detect recent alcohol intake by tracking ethanol metabolites in the urine. This technique is frequently deployed for workplace testing, court mandates, and following accidents. Although it doesn't measure current impairment, it extends a window of detection for several hours, rendering it a rapid and cost-effective option for monitoring.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test offers highly sensitive screening to catch alcohol consumption up to 80 hours post-intake. Due to EtG being a direct digested form of ethanol, this test is ideal for judicial systems, rehabilitation centers, and monitoring bodies. It spans a longer detection window than conventional urine tests and is celebrated for reliability and accuracy.

Breath Alcohol Test

A breath alcohol test determines current intoxication levels by evaluating the alcohol percentage in deep lung air. Utilized with DOT-certified breath alcohol devices (EBTs), it provides immediate and defensible outcomes. This procedure is mandated for DOT-involved staff and commonly employed for workplace checks, accidents, and suspicious behavior cases.

Blood Alcohol Test

The blood alcohol test directly quantifies the ethanol concentration in the bloodstream, representing one of the most precise methods for assessing impairment. Trusted by hospitals, law enforcement, and legal experts, blood alcohol tests are pivotal for DUI situations, emergency scenarios, and high-stakes legal investigations.

PEth Alcohol Blood Test

A PEth (Phosphatidylethanol) blood test identifies habitual or excessive alcohol consumption by detecting biomarkers in red blood cells. Capturing intake up to 2-3 weeks, PEth provides a robust indication of ongoing drinking behavior, invaluable in family law, monitoring regimens, rehabilitation facilities, and pre-employment protocols for safety-focused domains.

ETG Alcohol Test (Hair)

The EtG hair alcohol test spans an expansive 90-day detection period through assessment of alcohol derivatives in hair strands. This technique tracks extensive patterns signifying regular or historical alcohol use instead of isolated consumption instances. Preferred by courts, child custody deliberations, and enduring surveillance schemes for its dependability and precision.

With experienced oversight, accredited laboratories on a national scale, and efficient scheduling, Accredited Drug Testing ensures that each alcohol assessment procedure offers defensible, transparent, and compliant insights, supporting individuals and organizations in maintaining awareness, security, and adhering to regulation rigorosities.


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

Smooth and Seamless

I use their service for new hire and DOT employee's. Spoke with Taisha Walker this morning, and she was very helpful. She made the process smooth and seamless.

Christina Galdos - 3/9/2025

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

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

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

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


Sources


Mammoth Lakes Drug Testing

Quickly find trusted local drug testing centers in Mammoth Lakes, CA — fast, convenient, and reliable every time!

Mammoth Lakes DOT Drug Testing

Quickly find a local DOT drug testing center in Mammoth Lakes, CA — fast, reliable, convenient nationwide service!

Mammoth Lakes DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Mammoth Lakes, CA.

Mammoth Lakes Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Mammoth Lakes, CA.v

Mammoth Lakes Hair Drug Testing

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

Mammoth Lakes Alcohol Testing

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

Mammoth Lakes Drug Testing Services

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

Mammoth Lakes 5 Panel Drug Test

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

Mammoth Lakes 10 Panel Drug Test

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

Mammoth Lakes On Site Drug Testing

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

Mammoth Lakes DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Mammoth Lakes, 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