Weekdays 7 AM to 5 PM · Manassas
Mega Health Services
Employer and DOT testing

Drug Testing in Manassas, VA

Drug and alcohol testing support for hiring, DOT programs, random programs, post-accident needs, and workplace policies.

Drug Testing clinical testing supplies and screening workflow

Prepare for your visit

What to bring

  • Photo ID
  • Employer authorization or chain-of-custody form
  • Reason for test: pre-employment, random, DOT, post-accident, or return-to-duty
  • Employer contact information, if results routing is needed
  • Any deadline or same-day documentation requirement

Local drug testing for workplace decisions

Drug testing needs to be handled carefully because results can affect hiring, safety, program status, and employment decisions. Mega Health Services supports employers and individuals with testing options that can be matched to the reason for the visit, including pre-employment screening, random program testing, reasonable suspicion, post-accident, return-to-duty, and follow-up requirements.

The clinic can help coordinate common panel types, alcohol testing needs, and employer authorization paperwork. For DOT-regulated employers, testing must follow specific procedures and chain-of-custody requirements, so it is important to bring the correct form or employer instructions to the visit.

What happens at your drug test

Candidates and employees should arrive with a photo ID, any authorization form, and the name of the employer or ordering party. The team verifies the requested test, completes collection steps, and explains the expected next step for results. Timing can vary by test type and lab processing requirements, so employers should confirm deadlines when the test is urgent.

Mega Health Services also works with employers building broader occupational health programs. Drug testing can be paired with pre-employment physicals, DOT physicals, respirator clearance, workers' compensation visits, or other onboarding requirements so candidates are not sent to multiple unrelated locations.

Support for Northern Virginia employers

Employers in Manassas, Gainesville, Centreville, Woodbridge, and Northern Virginia can arrange workplace screening through the clinic. Call with your testing deadline so the team can confirm availability and the required paperwork.

Visit process

What happens next

  1. 01

    Confirm the service

    Call when timing, paperwork, or employer authorization needs to be confirmed.

  2. 02

    Complete the visit

    Bring the listed documents and follow the clinic team's instructions for the service.

  3. 03

    Confirm forms and follow-up

    The clinic will explain any follow-up and how applicable paperwork or results should be handled.

Common questions

What patients and employers ask before they visit

Your next step

Need care or workplace health support?

Call the Manassas clinic to confirm availability, paperwork, and the best time to arrive.