Hair Follicle Drug Testing - Chowchilla, CA

Employment, DOT, Court Ordered, Personal
Urine| Hair Follicle | Oral Fluid | Blood | ETG

36 Hair Drug Testing Centers in Chowchilla

Minutes Away, Test Today

2370 W Cleveland Ave14.08 miles

2370 W Cleveland Ave
Madera, CA 93637

2339 W Cleveland Ave Ste 10314.09 miles

2339 W Cleveland Ave Ste 103
Madera, CA 93637

1250 E Almond Ave Po Box 132814.74 miles

1250 E Almond Ave Po Box 1328
Madera, CA 93637

344 W 6th St15.77 miles

344 W 6th St
Madera, CA 93637

509 S I St Ste A15.97 miles

509 S I St Ste A
Madera, CA 93637

363 East Almond Avenue, Suite 10716.76 miles

363 East Almond Avenue, Suite 107
Madera, CA 93637

510 W Main St Ste E17.40 miles

510 W Main St Ste E
Merced, CA 95340

374 W Olive Ave Ste A17.98 miles

374 W Olive Ave Ste A
Merced, CA 95348

3070 M St Ste 1118.08 miles

3070 M St Ste 11
Merced, CA 95348

394 E Yosemite Ave18.32 miles

394 E Yosemite Ave
Merced, CA 95340

333 Mercy Ave18.82 miles

333 Mercy Ave
Merced, CA 95340

3605 Hospital Rd Ste H24.10 miles

3605 Hospital Rd Ste H
Atwater, CA 95301

4739 W. Shaw Ave, Suite 10430.33 miles

4739 W. Shaw Ave, Suite 104
Fresno, CA 93722

5189 Hospital Rd30.43 miles

5189 Hospital Rd
Mariposa, CA 95338

285 Mercey Springs Rd Ste A31.95 miles

285 Mercey Springs Rd Ste A
Los Banos, CA 93635

5649 N Palm Ave32.55 miles

5649 N Palm Ave
Fresno, CA 93704

5550 N Palm Ave Ste 10732.65 miles

5550 N Palm Ave Ste 107
Fresno, CA 93704

7300 N Fresno St Oak 1 Bldg32.93 miles

7300 N Fresno St Oak 1 Bldg
Fresno, CA 93720

7265 N 1st St Ste 10533.09 miles

7265 N 1st St Ste 105
Fresno, CA 93720

808 Iowa Ave33.37 miles

808 Iowa Ave
Los Banos, CA 93635

730 W I St,33.43 miles

730 W I St,
Los Banos, CA 93635

6101 N Fresno St Ste 10333.44 miles

6101 N Fresno St Ste 103
Fresno, CA 93710

6042 N Fresno St Ste 10133.57 miles

6042 N Fresno St Ste 101
Fresno, CA 93710

222 W Shaw Ave33.61 miles

222 W Shaw Ave
Fresno, CA 93704

1245 E Herndon Ave33.65 miles

1245 E Herndon Ave
Fresno, CA 93720

7075 N Maple Ave, Ste 10434.50 miles

7075 N Maple Ave, Ste 104
Fresno, CA 93720

7005 N Maple Ave Ste 10434.58 miles

7005 N Maple Ave Ste 104
Fresno, CA 93720

755 N Peach Ave Ste C1335.50 miles

755 N Peach Ave Ste C13
Clovis, CA 93611

48677 Victoria Ln,35.94 miles

48677 Victoria Ln,
Oakhurst, CA 93644

2023 Divisadero St,37.04 miles

2023 Divisadero St,
Fresno, CA 93701

1350 O Street Suite 10137.04 miles

1350 O Street Suite 101
Fresno, CA 93721

2113 Merced St37.09 miles

2113 Merced St
Fresno, CA 93721

5626 Heddon Ct37.31 miles

5626 Heddon Ct
Mariposa, CA 95338

2911 Tulare St37.49 miles

2911 Tulare St
Fresno, CA 93721

2746 E Jensen Ave39.13 miles

2746 E Jensen Ave
Fresno, CA 93706

2555 S East Ave39.20 miles

2555 S East Ave
Fresno, CA 93706

Employment, Court Ordered, Probation, Family

Accredited Drug Testing offers comprehensive hair follicle drug screening services in Chowchilla, California. Specializing in hair-based substance testing, we operate centers nationwide ready to conduct these tests. Generally, 1.5 to 2 inches of hair is needed from the scalp or body. Hair analysis can identify drugs, alcohol/ETG, or cater to specific testing requirements.

Recently, the preference for hair follicle drug tests over traditional methods has risen sharply. This form of testing is increasingly mandated by employers, legal systems, and substance abuse experts instead of the usual urine assay. Hair follicle exams serve organizations with zero drug tolerance, courts, and probationary supervision, offering an extended detection span of around 90 days, ensured by direct supervision, and resistant to tampering. However, for detecting very recent drug use in the past 5 days, urine testing remains superior.

What it is, How it works

Hair screening is recognized as an effective measure for identifying drug and alcohol consumption. Hair can offer a lengthy history of alcohol and drug use by capturing biomarkers within the shafts of the growing hair. When taken near the scalp, hair can reveal evidence of alcohol and drug use for up to three months. Hair collection is straightforward, challenging to alter, and easy to dispatch.

A sample measuring 1.5 inches and comprising around 200 hair strands (approximately the thickness of a #2 pencil) nearest to the scalp provides 100mg, which is optimal for analysis and verification. For EtG, supplementary tests, or tests exceeding 10 panels, 150mg of the hair is advised. It is best to weigh the hair on a jeweler's scale. If scalp hair cannot be sourced, equivalent body hair may be used. When specifying head hair, we mean scalp hair solely. Body hair encompasses any other hair types (like facial and underarm hair).

Process Overview

The four fundamental stages involved in processing a drug test in the lab are Accessioning, Screening, Extraction, and Confirmation.

Accessioning refers to the initial entry of a sample into the lab system. This includes checking that the sample was properly sealed and transported, generating a random LAN (Laboratory Accessioning Number), and completing additional data entry absent in an electronic chain of custody system.

Screening carries out an initial drug abuse check. This screening method economizes while eliminating drug use among most samples; however, a screen showing positive must be confirmed for legal acceptance. Samples indicating a positive result in Screening need a confirmation follow-up.

For any presumptive positive at Screening, additional hair is extracted from the initial sample for the Extraction phase. Here, drugs are extracted from hair at lower concentrations compared to other methods (for example, urine or saliva), making hair drug testing the most intricate routine to execute.

Any positive results from screening are verified using GC/MS, GC/MS/MS, or LC/MS/MS. All presumptively positive specimens are cleansed before confirmation as necessary. The complete lab process from Accessioning to Confirmation undergoes evaluation according to CAP (College of American Pathologists) Hair standards and accreditation to the ISO / IEC 17025 criteria.

Advantages of hair drug testing:

  • Extended detection window: Hair tests identify drug consumption up to 90 days, unlike urine tests which have a briefer detection duration.
  • Resistance to tampering: Falsifying a hair drug test proves notoriously difficult, enhancing result accuracy.
  • Historical data provision: These tests can reveal usage trends over time, not just immediate use.

Limitations:

  • Incapability to detect recent consumption: Drugs take roughly 5-7 days to show up in hair analyses.
  • Expense: Hair drug assessments tend to be pricier than other testing forms.
  • Result variability: Elements such as hair shade and individual hair growth diversities can impact drug metabolite levels in the hair.

Note: Frequently termed "hair follicle tests," the evaluation actually examines the hair itself, not the follicle within the scalp.

Why Hair Follicle Testing Beats Urine Testing

In Chowchilla, CA, hair follicle testing outshines urine testing with advanced detection accuracy. Hair tests boast a longer detection window, uncovering drug consumption months back, while urine tests only catch recent use. Employers benefit from the clear advantage of wider detection capabilities.

Extended Detection Window

Drugs in the system can remain traceable for up to 90 days with hair follicle tests. This extended window provides employers in Chowchilla, CA, a thorough understanding of an individual’s past substance use. Hair testing thus proves advantageous over shorter detection alternatives.

Tamper-Resistant Testing Method

Hair follicle tests are less susceptible to adulteration compared to other methods. This tamper-resistant attribute ensures authentic, reliable test results, reducing the risk of compromised samples and fostering confidence in the findings for users in Chowchilla, CA.

Convenient Nationwide Locations

Offering convenience across Chowchilla, CA, and beyond, our nationwide and local testing locations simplify the testing process. Ensuring accessible services means less hassle and swift testing completion, accommodating diverse needs for varied clients.

Simple, Confidential Process

The whole process of hair follicle testing in Chowchilla, CA, is uncomplicated and private. From arranging and conducting the test to receiving results, every step respects privacy and user comfort, making it an ideal choice for those prioritizing confidentiality and ease.

Affordable, Fast Turnaround

Hair follicle testing in Chowchilla, CA, combines competitive pricing with rapid result delivery, making it an economical option that doesn't compromise speed or reliability. This approach ensures businesses gain value while enjoying peace of mind.

Fast, Accurate, and Reliable Results

Renowned for their swift and precise outcomes, hair follicle exams deliver high dependability in detecting substance use. Their sensitivity ensures accurate identification of drug usage patterns, enabling businesses and authorities to make informed decisions. Employers can trust the rapid turnaround and reliability of results.

Compliance and Peace of Mind for Employers

For businesses in Chowchilla, CA, hair testing helps uphold drug-free workplace policies. It eases the burden of legal challenges, promotes safety, and maintains compliance, offering employers reassurance and diminishing the risk of non-compliance consequences.

What's New In Hair Follicle Drug Testing according to the Hair Drug Testing Experts

With its multidisciplinary nature, hair testing brings together researchers, scientists, and experts from various domains to develop innovative techniques, explore new methodologies, and address emerging concerns, responding to the ever-evolving challenges of drug abuse, therapeutic drug monitoring, and environmental exposures to pollutants.

The joint meeting of the Society of Hair Testing (SoHT) and the Italian Group of Forensic Toxicologists (GTFI) was organized in Verona, June 8–10, 2022, and hosted by the Legal Medicine team of the Verona University Hospital, directed by Franco Tagliaro together with Federica Bortolotti and Rossella Gottardo.

It served as a prominent platform for knowledge exchange and collaboration, facilitating groundbreaking advancements in hair testing and analysis. In this special issue of Drug Testing and Analysis, we aim to showcase the remarkable manuscripts presented at this significant event, shedding light on the latest research and highlighting the future directions in this field.

Novel Analytical Techniques: The Verona meeting witnessed the unveiling of cutting-edge analytical techniques, offering enhanced sensitivity, selectivity, and accuracy for drug testing. Remarkable advancements in sample preparation, detection, and identification of drug compounds have been presented. The manuscripts in this section presented novel approaches, such as multianalyte methods and on-line preparation which can enable rapid analysis and improve thorough forensic investigations.

Biomarkers and Pharmacokinetics: The identification and validation of reliable biomarkers and pharmacokinetic studies are fundamental aspects of drug testing and analysis. The impact of hair treatments on the oxidation/decomposition of drugs in hair was also explored, as the long-term fate of drugs incorporated in the keratin matrix. Furthermore, the SoHT meeting in Verona featured research on the identification and quantification of alcohol abuse biomarkers, their stability, and their correlation with exposure and other biomarkers.

Forensic Applications and Interpretation: One of the vital objectives of hair testing is its application in forensic investigations and legal proceedings. The SoHT meeting in Verona emphasized the significance of rigorous interpretation of analytical results and the need for standardized protocols. Manuscripts in this section present advancements in forensic toxicology, and have explored the challenges posed by emerging designer drugs and strategies to combat their proliferation. The pitfalls encountered when the exogenous/endogenous nature of a substance is questioned were presented and discussed. The special issue presents also manuscripts that delve into the ethical implications of drug testing in drug facilitated sexual assaults.

Clinical Applications of hair testing are witnessed by the insight on environmental tobacco smoke exposure, assessed by hair analysis in a population of students and the study of in utero-exposure to drugs of abuse through neonatal hair analysis. Exposure to drugs was also important in cases of child abuse/neglect, when the clinical purpose of hair testing merge with its forensic applications.

The legal framework surrounding hair testing and the achievement of guidelines to ensure fairness, accuracy, and confidentiality in drug testing practices have also been discussed,and the SoHT consensus on general hair testing and testing for drugs of abuse was presented at the meeting and published as a Letter to the Editor.

In conclusion, the special issue of Drug Testing and Analysis, featuring manuscripts from the SoHT–GTFI meeting in Verona 2022, reflects the remarkable advancements achieved in this field. The manuscripts provide valuable insights into novel analytical techniques, biomarkers, pharmacokinetics, forensic applications, and ethical considerations. As we embrace these advancements, we pave the way for a safer, healthier society, where drug testing and analysis serve as powerful tools in protecting public health and maintaining integrity in various sectors. The research presented in this special issue will undoubtedly shape the future of drug testing and analysis, fostering collaboration and inspiring further innovation in this crucial area of scientific inquiry.


Chowchilla Drug Testing

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

Chowchilla DOT Drug Testing

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

Chowchilla DNA Testing

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

Chowchilla Industry Training

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

Chowchilla Hair Drug Testing

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

Chowchilla Alcohol Testing

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

Chowchilla Drug Testing Services

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

Chowchilla 5 Panel Drug Test

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

Chowchilla 10 Panel Drug Test

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

Chowchilla On Site Drug Testing

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

Chowchilla DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Chowchilla, 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.


Frequently Asked Questions

A hair follicle drug test analyzes a small sample of hair to detect a history of drug use over time. Because drug metabolites are incorporated into hair as it grows, this method can show patterns of use instead of just recent exposure. It is frequently used for legal and court requirements, long-term monitoring, and high-trust workforce screening.
Standard hair drug testing typically reflects drug use over approximately a 90-day period, based on the length of hair collected at the time of testing. Longer hair can sometimes reflect a longer time frame, and extremely short hair can reduce that window.
Hair drug testing commonly screens for marijuana/THC, cocaine, opiates/opioids, amphetamines/methamphetamines, and PCP. In many cases, additional expanded panels may be requested to include other substances.
Yes. If the donor's head hair is too short or unavailable, body hair may be collected as an alternative. The collector will document the source of the sample. This allows testing even for individuals with recently cut or shaved head hair.
Yes. Hair drug testing is commonly used in court, probation, custody, and compliance matters because the collection process follows a documented chain of custody and the analysis is performed by a certified laboratory. Results are provided in a form that can be reviewed by legal and administrative authorities.
Yes. Individuals, parents, attorneys, employers, and probation programs can all request hair drug testing. A doctor's order is not required. Results are confidential and released only to the authorized requesting party.
Hair testing provides a longer look-back period than urine testing, making it useful when you need to demonstrate ongoing abstinence or identify repeated/recent substance use patterns over time rather than just recent exposure. It is frequently selected for legal, compliance, and custody-related documentation.
A small section of hair is cut by a trained collector in a discreet, controlled manner. The sample is sealed, documented, and sent to the laboratory under established chain-of-custody procedures so that the results can be defended if they are ever challenged.

Customer Reviews

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

Super Helpful

Detricia was super helpful in making sure that the drug test is sent my worker for was the right one I needed for my company to be compliant with my customers drug test requirements.

Kevin Howell - 12/19/2024

Fast service and friendly staff!

Fast service and friendly staff! Could not recommend enough for drug testing services.

Habib Malik - 4/12/2025


(800) 221-4291