Employee Drug Testing in Manassas, VA: What Employers and Workers Should Know
By Altmed Medical Center | Updated: 27-05-2025

Employee drug testing plays a vital role in maintaining a safe, productive, and legally compliant workplace. Whether you’re an employer looking to set up a screening program or a job seeker preparing for a test, understanding the types of drug tests available and what to expect is essential.
Altmed Medical Center in Manassas, VA offers a full range of drug testing services for both individuals and companies, including pre-employment drug tests, random drug screens, and return-to-duty tests.
Why Do Employers Require Drug Testing?
- Maintain a drug-free workplace
- Reduce workplace accidents and liability
- Comply with DOT or industry-specific regulations
- Improve employee productivity and morale
Types of Employee Drug Testing Available
1. Urine Drug Testing (Most Common)
Urine tests detect a wide range of substances and are the most frequently used method in employment screening. Results are typically available same-day for rapid urine tests and within 24–72 hours for lab-based urine testing
Detects: Marijuana, cocaine, opioids, amphetamines, PCP, and more
Best for: Pre-employment, random screening, return-to-duty testing
2. Hair Follicle Drug Testing
Hair tests can detect drug use over a longer period—up to 90 days. They are ideal for identifying consistent or long-term substance use.
Detects: Most standard drugs
Best for: Long-term use detection, legal compliance, safety-sensitive jobs
3. Saliva (Oral Fluid) Drug Testing
Saliva testing is minimally invasive and offers quick detection for recent drug use, making it useful for post-accident or reasonable suspicion scenarios.
Detects: Drugs used within the last 24–48 hours
Best for: Post-incident screening, on-site testing
4. Rapid Drug Testing
For immediate results, we offer rapid drug testing that can deliver accurate outcomes in under 15 minutes. Rapid tests are available in 4-panel, 5-panel, 10-panel, 11-panel, and 12-panel configurations.
Panel Options We Offer
- 4-Panel Drug Test: Basic screening (e.g., THC, Cocaine, Opiates, Amphetamines)
- 5-Panel Drug Test: Standard for DOT and workplace testing
- 10–12 Panel Drug Tests: Extended screenings including Benzodiazepines, Barbiturates, Methadone, and more
Who Can Benefit from Employee Drug Testing?
- Employers in construction, healthcare, logistics, and transportation
- Government contractors or DOT-regulated businesses
- HR professionals seeking to maintain compliant screening protocols
- Individuals needing a test for employment, probation, or legal matters
Looking for “employee drug testing surrounding near you”? Altmed Medical Center is conveniently located in Manassas, VA and offers walk-in drug testing, same-day appointments, and employer-based accounts.
Visit Us: 8551 Rixlew Lane Suite #140 A, Manassas, VA, 20109
Call: (703)361-4357
Hours: Monday–Friday (7:00 am to 5:00 pm) | Walk-ins welcome
How to Prepare for a Drug Test
- Bring a valid photo ID
- Avoid overhydration before a urine test
- Inform staff about any prescription medications
- Ask which panel you’ll be tested under
Book Your Employee Drug Test Today
Whether you're preparing for a new job or need ongoing employee screening services, trust Altmed Medical Center in Manassas for fast, reliable, and confidential testing.
Need quality care fast? Our team is here for all your primary care and urgent care needs. Walk-ins welcome and same-day appointments available. Call (703)-361-4357 OR
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