Take a Drug Test in Under 15 Minutes

Preferred Collection Site

Walk-ins Welcome

Hours are 8am-5pm Mon-Fri

After Hour Rates Apply

• Weekends / Holidays

(626) 531-6335

1755 Huntington Drive #102, Duarte, CA 91010

Order Your Test

Minimum Wait Time

Minimum Wait Time

No Appointment Necessary

No Appointment Necessary

Onsite Testing

Onsite Testing

(regular and after hours)

Same-day Results

Same-day Results

Electronic Processing

Electronic Processing

Call Our Team Today (626) 531-6335

C/TPA DOT Random Testing Program and FMCSA Clearinghouse

As your Consortium/Third-Party Administrators (C/TPAs), we can manage all, or part, of your DOT drug and alcohol testing program, sometimes including maintaining required testing records. In addition, we perform tasks as agreed to by the employer, including random selections, to assist in implementing the drug and alcohol testing program and help keep the employer compliant with the DOT Drug and Alcohol Testing rules and regulations for FMCSA, FTA, FRA, FAA, PHMSA, and USCG.

Employers who qualify as Federal Motor Carrier Service Administration (FMCSA) must register with the FMCSA Clearinghouse. An employer may designate a consortium/third-party administrator (C/TPA) in the Clearinghouse to assist with meeting their query and violation reporting requirements. However, C/TPAs must accept an employer’s designation in the Clearinghouse before they can access the Clearinghouse on that employer’s behalf. Therefore, employers should contact the C/TPA before sending them a designation request in the Clearinghouse.

Types of Tests

  • 5-panel Drug Tests
  • 10-panel Drug Tests
  • Urine Drug Testing
  • Hair Drug Testing
  • Alcohol Testing
  • Oral Fluids Drug Testing

Byron Nelson, Owner


Patient Testimonials

After calling around and getting ran around from major testing facilities I come across Crossroads Drug and Alcohol Testing on Google search. Person that answerd the call, Byron was straight forward, to the point and what’s most important very knowledgeable in the field, unlike stuff employed by many other organizations I have contacted. We set up a process and payment plan and the rest is was a walk in the park, showing up when instructed and do a series of tests I needed to do. Byron is a professional and very personable person that was a pleasure working with. Facilities are clean, comfortable waiting area, easy access and parking. Process is very simple, and prices are very competitive especially in comparison with the big testing places that always trying to upsell for additional services and super busy. Crossroads Drug and Alcohol Testing is simply the Best answer for your testing needs!

- Andrei K.

I discovered this place when I needed to get a drug test for work, and I had a great experience! The gentleman working there was kind and professional. I called on a Tuesday afternoon and he was taking walk ins, and I was done within 20 minutes! I would definitely recommend this place!

- Iris C.

Great customer service and patience to answer questions.

- Victor Orantes


Who can take a drug test at Crossroads?

Anyone can take a drug test at Crossroads. We specialize in Employment drug testing, but we also do drug and alcohol testing for Legal, Law Enforcement, and private individuals.

Is Crossroads a Laboratory?

No. Crossroads is a Collection Site Clinic for Drug and alcohol testing. Our technicians collect samples consisting of urine, hair, and saliva. We then ship the collected samples overnight to designated laboratories like QUEST, ALERE, LABCORP, PSYCHEMEDICS, OMEGA, and others for processing.

Are all samples sent to a laboratory?

No. Crossroads offer a same-day drug test that takes 5 minutes. You can have negative test results before you leave our clinic. If a same-day drug test is inconclusive or non-negative, that sample can be sent to a laboratory for GC/MS confirmation which is a more in-depth second test that confirms the initial screening.

Does Quest Diagnostics Own Crossroads?

No. Crossroads is privately owned and is a Preferred Collection Site for Quest Diagnostics Laboratory.