Drug & Alcohol Testing Near Me - Porterville, 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

34 Drug-Testing Centers in Porterville

Minutes Away, Test Today

841 W Morton Ave1.20 miles

841 W Morton Ave
Porterville, CA 93257

356 N Porter Rd1.32 miles

356 N Porter Rd
Porterville, CA 93257

876 W Grand Ave1.35 miles

876 W Grand Ave
Porterville, CA 93257

1295 Hillcrest Ave20.48 miles

1295 Hillcrest Ave
Tulare, CA 93274

564 E Kern Ave20.59 miles

564 E Kern Ave
Tulare, CA 93274

919 N Blackstone St,20.66 miles

919 N Blackstone St,
Tulare, CA 93274

1068 N Cherry St20.94 miles

1068 N Cherry St
Tulare, CA 93274

755 E Terrace Ave Ste A20.96 miles

755 E Terrace Ave Ste A
Tulare, CA 93274

1633 S Court St23.17 miles

1633 S Court St
Visalia, CA 93277

2431 W Caldwell Ave23.23 miles

2431 W Caldwell Ave
Visalia, CA 93277

4126 S Demaree St Ste A23.56 miles

4126 S Demaree St Ste A
Visalia, CA 93277

235 E Noble Ave23.63 miles

235 E Noble Ave
Visalia, CA 93277

1206 High Street24.02 miles

1206 High Street
Delano, CA 93215

225 S Chinowth St24.03 miles

225 S Chinowth St
Visalia, CA 93291

210 S Johnson St Ste C24.07 miles

210 S Johnson St Ste C
Visalia, CA 93291

832 Jefferson St24.19 miles

832 Jefferson St
Delano, CA 93215

1401 Garces Hwy24.39 miles

1401 Garces Hwy
Delano, CA 93215

1640 W Mineral King Ave Ste 10624.43 miles

1640 W Mineral King Ave Ste 106
Visalia, CA 93291

220 S Mooney Blvd Ste D24.65 miles

220 S Mooney Blvd Ste D
Visalia, CA 93291

649 S County Center Dr Ste A24.87 miles

649 S County Center Dr Ste A
Visalia, CA 93277

1427 S Lexington St Bldg A Ste 1025.39 miles

1427 S Lexington St Bldg A Ste 10
Delano, CA 93215

117 N Akers St26.05 miles

117 N Akers St
Visalia, CA 93291

1110 Dairy Ave31.10 miles

1110 Dairy Ave
Corcoran, CA 93212

2300 7th St37.57 miles

2300 7th St
Wasco, CA 93280

144 Buena Vista Dr39.59 miles

144 Buena Vista Dr
Kernville, CA 93238

1028 N Douty St39.74 miles

1028 N Douty St
Hanford, CA 93230

1120 N Irwin St,39.87 miles

1120 N Irwin St,
Hanford, CA 93230

869 W Lacey Blvd40.07 miles

869 W Lacey Blvd
Hanford, CA 93230

450 Kings County Dr, Ste 10340.71 miles

450 Kings County Dr, Ste 103
Hanford, CA 93230

3838 San Dimas St Ste B10046.14 miles

3838 San Dimas St Ste B100
Bakersfield, CA 93301

6650 Meany Ave46.48 miles

6650 Meany Ave
Bakersfield, CA 93308

3550 Q St. Ste 10246.53 miles

3550 Q St. Ste 102
Bakersfield, CA 93301

7737 Meany Ave Ste B946.53 miles

7737 Meany Ave Ste B9
Bakersfield, CA 93308

3209 Landco Dr46.70 miles

3209 Landco Dr
Bakersfield, CA 93308

Drug Testing Near Me

Seeking drug testing near you in Porterville, CA? Accredited Drug Testing, Inc. provides same-day drug and alcohol testing at over 20,000 locations nationwide. We handle DOT-regulation checks, court-ordered screenings, pre-employment tests, and personal tests, ensuring a private and stress-free scheduling process. All tests meet stringent federal and state requirements, guaranteeing precise outcomes you can trust across Porterville, CA and beyond. Call (800) 221-4291 or book online 24/7 to access our reliable services today.

Emphasizing safety, compliance, and peace of mind, Accredited Drug Testing delivers punctual, accurate results you can depend on every time.

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

As the prevalent choice for drug screenings, urine drug testing is the only approved method under DOT regulations (49 CFR Part 40). Through urine samples, substances used recently are detected by identifying drugs, their metabolites, or alcohol markers. This reliable and confidential method yields results that are legally sound and suitable for employers, private individuals, and legal programs.

Testing Methods & Collection Procedure

Result Timelines for Urine Testing

  • Instant Urine Tests: Negative results are immediate; positives undergo lab confirmation within 24-72 hours.
  • Lab-Based Urine Tests: Negative outcomes are typically ready in 24-48 hours.
  • DOT Drug Tests: Results may vary from 1-3 business days based on MRO review and donor interaction.
  • Urine EtG Alcohol Tests: Usually completed within 24-48 hours.
Extra time may be required for specific situations like shy bladder or invalid specimens.

Advantages of Urine Drug & Alcohol Testing

Though possessing some constraints, such as a limited detection timeframe and potential manipulations, urine testing is largely recognized as the most feasible and common form nationwide.

How Hair Drug Testing Works

When looking to understand an individual's prolonged substance use, hair testing emerges as a promising alternative. By decoding the deep-seated drug metabolites within hair fibers, this method reveals a 90-day timeline of usage, as opposed to merely recent consumption captured by urine tests. This reliability makes it highly regarded in Porterville, CA for applications such as workplace monitoring, legal disputes, custody evaluations, and other scenarios necessitating historical data on substance use.

Testing Methods & Collection Process

1. Verification of Donor Identity

To initiate the process, donors supply a valid government-issued ID, and comprehensive consent along with the chain-of-custody documentation is ensured, supporting certification and authenticity.

2. Hair Sample Collection

An adept technician collects 100-120 strands of hair close to the scalp area, preferably from the crown. In cases where head hair is unavailable, body hair serves as a suitable substitute. The method, conducted under scrutiny, is both swift and painless.

3. Chain of Custody Documentation

The Hair Drug Test Custody and Control Form is employed to meticulously record every stage from collection to lab analysis ensuring interpretations are bulletproof for legal contexts.

4. Laboratory Preparation & Analysis

At the lab, the specimen navigates a series of forensic examinations:

  • Decontamination: The hair is systematically cleansed to exclude external pollutants like smoke.
  • Segmentation: The hair is either diced or ground to optimize metabolite extraction.
  • Extraction: Chemical processes remove drug metabolites embedded within hair.

Advanced laboratory tests follow, examining hair samples through:

  • Initial Screening: Detecting drug categories via immunoassay.
  • Confirmation Testing: GC/MS or LC/MS is applied for verifying specific substances and their metabolites with pinpoint accuracy.

5. Metabolite Detection

The intrinsic growth and structure of hair capture drug markers, providing hard-to-manipulate evidence of past substance consumption.

6. MRO Evaluation

Upon detection of non-negative results, a qualified Medical Review Officer authenticates and discusses potential medical interpretations before issuing an ultimate report.

Result Completion for Hair Tests

  • Standard Hair Analysis: Results follow 2-3 business days after labs receive samples.
  • Complex or Alcohol Panels (EtG/FAEE): These conclusions typically take 3-5 business days, influenced by panel complexity.

The intricate nature of hair testing extends analysis periods compared to urine screenings, yet yields unparalleled accuracy and detection constancy.

Benefits of Hair Drug & Alcohol Screening

  • Extensive 90-day window allows for historical insight into substance usage.
  • High resistance to tampering or fraudulent alterations.
  • Depicts patterns reflective of habitual or sporadic use, or recent sobriety.
  • Optimal for legal inquiries, child custody assessments, and mandatory compliance checks.
  • Non-invasive, straightforward acquisition process.
  • Further validation achieved via GC/MS or LC/MS precision testing.

Limitations of Hair Drug & Alcohol Testing

  • Ineffective in recognizing recent ingestion (first 5-7 days).
  • Greater expense when contrasted with urine or saliva tests.
  • Body hair cannot pinpoint exact timing.
  • Substance incorporation may differ according to hair type or growth.
  • Not sanctioned for DOT-imposed criteria.

Despite these hurdles, hair analysis continues to champion accuracy in long-term use detection, frequently employed by corporates, the legal sector, and conscientious individuals beyond Porterville, 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 Porterville, 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 Porterville, 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 Porterville, 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 Porterville, 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

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

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

A very nice company

A very nice company of expertise. The staff will go above to help you out of your situation in a timely matter 👏

Tam Jack - 2/19/2025

Really Helpful

I am just really happy to see that the location near me still offers hair follicle tests!! They are really helpful when any false positives happen, waiting on my results. Hope they come fast!

Kali Collins - 1/16/2025


Sources


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(800) 221-4291