5 Panel Drug Test - Knightsen, CA

Employment - DOT - Court - Personal

Testing Locations Nationwide

Find a 5 Panel Drug Test Center Near You!

Urine, Hair, Oral Fluid, Blood

Minutes Away, Test Today

Compare Common Drug Test Panels

Select the panel that best fits your program's risk profile, compliance or personal needs.

Panel Drugs Covered Best For
5-Panel THC, Cocaine, Opiates, Amphetamines, PCP Baseline employment screening
7-Panel 5-panel + Barbiturates, Benzodiazepines Healthcare & safety-sensitive roles
10-Panel 7-panel + Methadone, Propoxyphene, Quaaludes* Expanded coverage (role-specific)

35 Drug-Testing Centers in Knightsen

Minutes Away, Test Today

1181 Central Boulevard, Suite C2.76 miles

1181 Central Boulevard, Suite C
Brentwood, CA 94513

3901 Walnut Blvd Ste A-22.94 miles

3901 Walnut Blvd Ste A-2
Brentwood, CA 94513

2400 Balfour Rd Ste 2303.81 miles

2400 Balfour Rd Ste 230
Brentwood, CA 94513

4501 Sand Creek Rd4.74 miles

4501 Sand Creek Rd
Antioch, CA 94531

3450 Hillcrest Ave5.14 miles

3450 Hillcrest Ave
Antioch, CA 94531

3901 Lone Tree Way6.42 miles

3901 Lone Tree Way
Antioch, CA 94509

3400 Delta Fair Blvd9.71 miles

3400 Delta Fair Blvd
Antioch, CA 94509

2339 Buchanan Rd9.79 miles

2339 Buchanan Rd
Antioch, CA 94509

1251 California Ave Ste 60011.53 miles

1251 California Ave Ste 600
Pittsburg, CA 94565

1901 Railroad Ave Ste B12.50 miles

1901 Railroad Ave Ste B
Pittsburg, CA 94565

3774 Railroad Ave Ste C12.56 miles

3774 Railroad Ave Ste C
Pittsburg, CA 94565

1001 Pittsburg Antioch Hwy Ste B13.35 miles

1001 Pittsburg Antioch Hwy Ste B
Pittsburg, CA 94565

5167 Clayton Rd Ste H16.29 miles

5167 Clayton Rd Ste H
Concord, CA 94521

10200 Trinity Pkwy17.00 miles

10200 Trinity Pkwy
Stockton, CA 95219

2291 W March Lane, Suite 145 F18.16 miles

2291 W March Lane, Suite 145 F
Stockton, CA 95207

1782 W Hammer Ln18.44 miles

1782 W Hammer Ln
Stockton, CA 95209

8829 Davis Rd Ste 118.79 miles

8829 Davis Rd Ste 1
Stockton, CA 95209

2160 W Grant Line Rd Ste 23018.82 miles

2160 W Grant Line Rd Ste 230
Tracy, CA 95377

3000 Las Positas Rd19.04 miles

3000 Las Positas Rd
Livermore, CA 94551

On-site Only19.31 miles

On-site Only
Lodi, CA 95242

1429 W Fremont St19.43 miles

1429 W Fremont St
Stockton, CA 95203

2477 Pacheco St19.79 miles

2477 Pacheco St
Concord, CA 94520

320 Lennon Ln Fl 219.97 miles

320 Lennon Ln Fl 2
Walnut Creek, CA 94598

2425 East Street, Suite 619.98 miles

2425 East Street, Suite 6
Concord, CA 94520

2540 East St20.00 miles

2540 East St
Concord, CA 94520

644 W 12th St20.22 miles

644 W 12th St
Tracy, CA 95376

632 West 11th Street, Suite 11520.34 miles

632 West 11th Street, Suite 115
Tracy, CA 95376

2 Terminal20.53 miles

2 Terminal
San Francisco, CA 94128

1805 N California St Ste 30320.62 miles

1805 N California St Ste 303
Stockton, CA 95204

7373 West Ln Fl 120.62 miles

7373 West Ln Fl 1
Stockton, CA 95210

1800 N California St20.63 miles

1800 N California St
Stockton, CA 95204

2090 Commerce Ave20.65 miles

2090 Commerce Ave
Concord, CA 94520

2231 Galaxy Ct20.70 miles

2231 Galaxy Ct
Concord, CA 94520

5570 Stockton Loop20.76 miles

5570 Stockton Loop
Livermore, CA 94550

5601 Norris Canyon Rd Ste 14020.78 miles

5601 Norris Canyon Rd Ste 140
San Ramon, CA 94583

How It Works

Fast, simple, and compliant from order to results.

Order Your Test

Buy online or by phone. Choose location and donor details.

Specimen Collected

Visit a nearby collection site with a valid photo ID.

Lab Analysis & MRO

Lab analysis with confirmatory testing and MRO review if needed.

Results

Secure results delivered to the employer or individual.



Turnaround Time

Negative results: typically report within 1 business day after lab receipt.
Non-negative screens: requiring confirmation and MRO review generally report within 2-3 business days.

Actual times may vary based on shipping volume and verification needs.

Compliance You Can Trust

Lab-Based with Confirmation

Screening at SAMHSA-certified laboratories with confirmatory GC/MS or LC-MS/MS testing as needed.

MRO Review & CCF

Every non-negative screen is reviewed by a Medical Review Officer. Chain-of-Custody Form (CCF) maintained end-to-end. DOT collections and results reporting follow 49 CFR Part 40 when specified by the employer/order.


5 Panel Drug Testing in Knightsen, CA

Knightsen, California is a small unincorporated community located in Contra Costa County. Known for its rural charm and agricultural roots, Knightsen offers a peaceful environment away from the hustle and bustle of city life. The community is characterized by open spaces, farms, and ranches that reflect its rich agricultural heritage.

The population of Knightsen is relatively small, contributing to a close-knit community atmosphere. Residents often engage in local activities and events, fostering a strong sense of belonging and community spirit. The area is ideal for those who appreciate a slower pace of life and the tranquility of the countryside.

Education is valued in Knightsen, with a focus on providing quality learning opportunities for children and young adults. The local schools are committed to academic excellence and nurturing a supportive environment for students. Additionally, the community's proximity to larger urban centers offers residents access to further educational resources and opportunities.

Despite its rural setting, Knightsen is conveniently accessible via major highways, making it easy for residents to commute to nearby cities for work or leisure. The community enjoys the benefits of both seclusion and connectivity, offering a unique living experience for its residents.

The local economy of Knightsen is largely driven by agriculture, with many farms and ranches forming the backbone of economic activity. The community supports local businesses, which are integral to its economic sustainability and growth. This rural economy is a testament to the community's dedication to preserving its agricultural legacy.

Recreational opportunities abound in Knightsen, with vast open spaces perfect for outdoor activities such as hiking, horseback riding, and picnicking. The natural beauty of the area's landscapes draws residents and visitors to explore its scenic trails and enjoy the peaceful outdoors.

Overall, Knightsen, California, offers a unique blend of rural tranquility and community spirit. Its agricultural roots, combined with modern conveniences and access to urban amenities, make it a desirable location for those seeking a balanced lifestyle. The strong community values and dedication to preserving the rural landscape further enhance Knightsen's appeal.

Drug Testing in California

California, often known as the Golden State, is the most populous state in the United States, boasting over 39 million residents as of the latest estimates. It is a global trendsetter in popular culture, technology, business, and environmentalism. California's diverse landscape encompasses deserts, rivers, beaches, and vast forests.

Economically, California is a powerhouse. It is home to Silicon Valley, the epicenter of high-tech innovation, and Hollywood, the world's entertainment capital. With an economy larger than most countries, California plays a major role in driving the U.S. national economy, excelling in sectors such as technology, agriculture, and entertainment.

The state's educational system includes world-class institutions like Stanford University and the University of California system. Additionally, California is known for its high quality of life, offering diverse cultural experiences, outdoor activities, and progressive social policies, making it one of the most desirable locations in the world.

California's geography and climate are as diverse as its population, providing a wide range of experiences. From the snowy peaks of the Sierra Nevada to the sunny beaches of Southern California, the state offers an array of activities that attract millions of tourists annually, contributing significantly to its robust economy.


Knightsen Drug Testing

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

Knightsen DOT Drug Testing

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

Knightsen DNA Testing

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

Knightsen Industry Training

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

Knightsen Hair Drug Testing

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

Knightsen Alcohol Testing

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

Knightsen Drug Testing Services

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

Knightsen 5 Panel Drug Test

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

Knightsen 10 Panel Drug Test

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

Knightsen On Site Drug Testing

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

Knightsen DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Knightsen, 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 5 panel drug test is a laboratory-based drug screen that checks for five core drug classes that are commonly associated with workplace safety, policy compliance, and legal monitoring. It is one of the most frequently used drug test panels for both employment and legal situations.
A typical 5 panel drug test screens for marijuana/THC, cocaine, opiates, amphetamines/methamphetamines, and PCP. These substances are monitored because of their impact on alertness, judgment, reaction time, and overall safety.
No. Employers, legal representatives, probation officers, and private individuals can order a 5 panel drug test directly. The donor then appears at the assigned collection site with proper identification to provide the specimen.
Screening for clearly negative samples is typically completed quickly after lab processing. When a sample is not negative, additional confirmation testing is performed before a verified result is released.
Yes. Because collection follows strict chain-of-custody procedures and results are analyzed by a certified laboratory, a 5 panel drug test is commonly accepted for court monitoring, probation programs, and attorney-requested documentation.
Most 5 panel drug tests use a urine specimen. Urine testing is widely used in workplace and legal settings because it is standardized, cost-effective, and backed by established cutoff levels and reporting practices.
Yes. Employers frequently order a 5 panel drug test immediately after a workplace incident or when there is reasonable suspicion of substance use, because it targets high-risk substances that can impair performance and safety.
Yes. A parent or legal guardian can arrange testing for personal or family reasons. Results are kept confidential and released only to the authorized requesting party.

Customer Reviews

Super helpful and courteous

I've had to use this service twice for out of state physicians we've hired and both times it was super easy. Both customer service reps I spoke with were super helpful and courteous. I won't hesitate to use their service again if needed.

Alicia Rau - 6/19/2024

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

Super Easy!

Super easy to set up an appointment through the phone. They walked me through all the steps and found me a location right near my house. Would definitely recommend!

Aldita Lumaj - 1/17/2025


(800) 221-4291