Hair Follicle Drug Testing - Tamalpais Homestead Valley, CA

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

30 Hair Drug Testing Centers in Tamalpais Homestead Valley

Minutes Away, Test Today

101 Casa Buena Dr2.72 miles

101 Casa Buena Dr
Corte Madera, CA 94925

2 Fifer Ave Ste 1303.54 miles

2 Fifer Ave Ste 130
Corte Madera, CA 94925

250 Bon Air Rd3.74 miles

250 Bon Air Rd
Greenbrae, CA 94904

1321 S Eliseo Dr 1st Fl3.74 miles

1321 S Eliseo Dr 1st Fl
Greenbrae, CA 94904

1220 S Eliseo Dr3.76 miles

1220 S Eliseo Dr
Greenbrae, CA 94904

1300 South Eliseo Drive, Suite 1013.78 miles

1300 South Eliseo Drive, Suite 101
Greenbrae, CA 94904

1125 Sir Francis Drake Blvd Ste N4.84 miles

1125 Sir Francis Drake Blvd Ste N
Kentfield, CA 94904

25 Bellam Blvd Ste 1015.05 miles

25 Bellam Blvd Ste 101
San Rafael, CA 94901

2300 Sutter St Ste 1029.08 miles

2300 Sutter St Ste 102
San Francisco, CA 94115

2201 Post St,9.17 miles

2201 Post St,
San Francisco, CA 94115

99 Montecillo Rd Mob 19.19 miles

99 Montecillo Rd Mob 1
San Rafael, CA 94903

845 Jackson St9.66 miles

845 Jackson St
San Francisco, CA 94133

900 Hyde St9.68 miles

900 Hyde St
San Francisco, CA 94109

505 Parnassus Ave Ste 8969.82 miles

505 Parnassus Ave Ste 896
San Francisco, CA 94143

601 Van Ness Ave Ste 20089.97 miles

601 Van Ness Ave Ste 2008
San Francisco, CA 94102

49 Drumm St10.26 miles

49 Drumm St
San Francisco, CA 94111

26 California St10.26 miles

26 California St
San Francisco, CA 94111

580 Market St Ste 10010.28 miles

580 Market St Ste 100
San Francisco, CA 94104

901 Nevin Ave Bldg B Floor 110.29 miles

901 Nevin Ave Bldg B Floor 1
Richmond, CA 94801

2198 15th St,10.37 miles

2198 15th St,
San Francisco, CA 94114

Castro & Duboce St, South Tower Ste 160a10.45 miles

Castro & Duboce St, South Tower Ste 160a
San Francisco, CA 94114

120 Broadway Ste 2310.98 miles

120 Broadway Ste 23
Richmond, CA 94804

24 Willie Mays Plz11.23 miles

24 Willie Mays Plz
San Francisco, CA 94107

2 Connecticut St Ste 111.55 miles

2 Connecticut St Ste 1
San Francisco, CA 94107

3726 Barrett Ave11.71 miles

3726 Barrett Ave
Richmond, CA 94805

3555 Cesar Chavez11.76 miles

3555 Cesar Chavez
San Francisco, CA 94110

2000 Vale Rd11.79 miles

2000 Vale Rd
San Pablo, CA 94806

2425 Church Ln11.98 miles

2425 Church Ln
San Pablo, CA 94806

2970 Hilltop Mall Rd Ste 20312.98 miles

2970 Hilltop Mall Rd Ste 203
Richmond, CA 94806

2505 Bataan St Ste O13.25 miles

2505 Bataan St Ste O
Oakland, CA 94607

Employment, Court Ordered, Probation, Family

What it is, How it works

Why Hair Follicle Testing Beats Urine Testing

Extended Detection Window

Tamper-Resistant Testing Method

Convenient Nationwide Locations

Simple, Confidential Process

Affordable, Fast Turnaround

Fast, Accurate, and Reliable Results

Compliance and Peace of Mind for Employers

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.


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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

Thank You!!

I needed a quick drug test for visitation with my children. I called at 6am they answered and set me up with a place a couple miles from my house to go get the test done, that was on Wednesday, I had the results on Friday afternoon and was able to see my kids on Saturday. Thank you for the help!

Mark Broadhead - 2/12/2025

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024

Very professional and very quick

Very professional and very quick service to schedule appointments! I am pleased with the services and would definitely recommend using them for any drug testing needs!

Carrie Feerick - 4/19/2025


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