100 Union Valley Road, Suite 120

Oak Ridge, TN 37830

P: 865-220-8630

F: 865-425-1269

4605 Papermill Drive

Knoxville, TN 37909

P: 865-584-3926

F: 865-584-3645

601 Wall Street

Sevierville, TN 37862

P: 865-429-5800

F: 865-429-5840

© 2014 by NetGain Mobile Diagnostics. Proudly created with Wix.com

Clinic Hours:

Monday - Friday

8:00AM - 5:00PM

Our office closes for lunch from 12PM - 1PM

(Last Walk-in Accepted at 4:00PM)



Give Us a Call:




Compliant, Customized, and Convenient.  

That's the NetGain Mobile Diagnostics Advantage!

Who are we?


Since 1998, NetGain has supported the Department of Energy/National Nuclear Security Administration (DOE/NNSA) and its contractors spanning 13 sites across the country.


We have extensive experience implementing multifaceted safeguards and security programs.  Innovative solutions to compliance requirements that result in efficiency and cost-savings are hallmarks of NetGain's program management approach.  Dig deeper on our site to learn more.


In 2013, NetGain purchased Mobile Diagnostics, Inc. to bring our unique approach to the commercial sector as NetGain Mobile Diagnostics.


How can we help you?
  • Drug & Alcohol Testing

    • ​Urine 

    • Hair Follicle 

    • Nail

  • Occupational Health Physicals 

    • ​DOT

    • HAZMAT

    • Pre-Employment

  • Personnel Security

    • Human Reliability Program (HRP) Administration

    • Clearance Processing

    • Adjudication

  • Background Investigations

  • Paternity/DNA Testing


Why choose us?


We put a premium on saving our clients time and money.  


All of our services are offered at competitive rates and are customizable to meet your needs and budget.  


This best-value, best-service, customer-driven approach is what you'll come to expect from NetGain Mobile Diagnostics.  


We provide this level of service to every client, every time, consistently meeting requirements and exceeding expectations!

17 Panel Drug Screen Now Available

We now offer a 17 Panel Hair Follicle Drug Screening.

Please see our latest blog for a list of drugs included in this screening.

Turnaround time for results is approximately 5 business days.

Contact us for more details