Hair Follicle Drug Testing - Colfax Summit, CA

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

30 Hair Drug Testing Centers in Colfax Summit

Minutes Away, Test Today

2090 Nevada City Hwy15.65 miles

2090 Nevada City Hwy
Grass Valley, CA 95945

123 Margaret Ln Ste A215.97 miles

123 Margaret Ln Ste A2
Grass Valley, CA 95945

155 Glasson Way15.99 miles

155 Glasson Way
Grass Valley, CA 95945

180 Sierra College Dr16.28 miles

180 Sierra College Dr
Grass Valley, CA 95945

209 Nevada St25.18 miles

209 Nevada St
Downieville, CA 95936

11795 Education St Ste 22025.77 miles

11795 Education St Ste 220
Auburn, CA 95602

3133 Professional Drive, Suite 1625.96 miles

3133 Professional Drive, Suite 16
Auburn, CA 95603

12121 Pine Ave30.60 miles

12121 Pine Ave
Truckee, CA 96161

10121 Pine Ave30.60 miles

10121 Pine Ave
Truckee, CA 96161

10956 Donner Pass Rd Ste 23030.61 miles

10956 Donner Pass Rd Ste 230
Truckee, CA 96161

681 Main St Ste 10232.52 miles

681 Main St Ste 102
Placerville, CA 95667

279 Placerville Dr Ste C32.76 miles

279 Placerville Dr Ste C
Placerville, CA 95667

1100 Marshall Way32.86 miles

1100 Marshall Way
Placerville, CA 95667

3875 Taylor Rd Ste 1a35.96 miles

3875 Taylor Rd Ste 1a
Loomis, CA 95650

2305 Sunset Blvd39.15 miles

2305 Sunset Blvd
Rocklin, CA 95765

2351 Sunset Blvd Ste 170--56139.15 miles

2351 Sunset Blvd Ste 170--561
Rocklin, CA 95765

Onsite Only39.37 miles

Onsite Only
Folsom, CA 95762

6661 Stanford Ranch Rd Ste G39.62 miles

6661 Stanford Ranch Rd Ste G
Rocklin, CA 95677

4062 Flying C Rd39.86 miles

4062 Flying C Rd
Cameron Park, CA 95682

8207 Sierra College Blvd Ste 520c40.48 miles

8207 Sierra College Blvd Ste 520c
Roseville, CA 95661

1600 Eureka Rd Floor 141.09 miles

1600 Eureka Rd Floor 1
Roseville, CA 95661

1 Medical Plaza Dr41.47 miles

1 Medical Plaza Dr
Roseville, CA 95661

3 Medical Plaza Dr Ste 10041.47 miles

3 Medical Plaza Dr Ste 100
Roseville, CA 95661

1907 Douglas Blvd Ste 7041.55 miles

1907 Douglas Blvd Ste 70
Roseville, CA 95661

1730 Santa Clara Dr41.74 miles

1730 Santa Clara Dr
Roseville, CA 95661

1731 Creekside Dr, Bldg C Ste 15042.09 miles

1731 Creekside Dr, Bldg C Ste 150
Folsom, CA 95630

1201 E Bidwell St42.63 miles

1201 E Bidwell St
Folsom, CA 95630

1133 Coloma Way Ste B42.64 miles

1133 Coloma Way Ste B
Roseville, CA 95661

720 Sunrise Ave Ste 102-c42.69 miles

720 Sunrise Ave Ste 102-c
Roseville, CA 95661

1008 Riley St Ste 443.03 miles

1008 Riley St Ste 4
Folsom, CA 95630

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

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.


Colfax Summit Drug Testing

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

Colfax Summit DOT Drug Testing

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

Colfax Summit DNA Testing

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

Colfax Summit Industry Training

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

Colfax Summit Hair Drug Testing

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

Colfax Summit Alcohol Testing

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

Colfax Summit Drug Testing Services

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

Colfax Summit 5 Panel Drug Test

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

Colfax Summit 10 Panel Drug Test

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

Colfax Summit On Site Drug Testing

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

Colfax Summit DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Colfax Summit, 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

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


(800) 221-4291