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info@altmedfirst.com (703) 361-4357 8551 Rixlew Lane Suite 140, Manassas, VA 20109

Lab Testing Services in Manassas, VA

At Altmed Medical Center, we’re here to help you stay on top of your health — without all the stress. Our clinic is easy to get to, just off I-66 and Liberia Ave, and we offer fast, friendly lab testing services for everything from routine blood work to drug screenings and STD checks. No hassle. Just walk in.

Let’s break it down so you know exactly what we offer and how we can help.



Why Lab Testing Matters

Lab work isn’t just something doctors order for fun. These tests are often the first step in spotting health problems early or keeping track of existing conditions.

Feeling tired? A blood test might show low iron or high blood sugar. Need a drug test for a job along Route 234? We’ve got that covered too.

Here’s why folks come to us for testing:
  • Routine Health Checks – We help you keep an eye on your heart, kidneys, liver, and more.
  • STD Testing – Know your status and stay safe.
  • Job-Related Drug Screening – Required by many employers in the area, especially for driving or warehouse jobs.


Who Comes to Us for Lab Work?

You don’t have to be sick to need lab tests. We serve all kinds of people in Manassas, including:

  • Families – Great for back-to-school health checks or basic blood work for your kids.
  • Truck Drivers – We handle DOT drug testing for folks working near Balls Ford Road and other routes.
  • Teachers & School Staff – We offer TB tests and other standard screenings.
  • Athletes – Local sports teams trust us for fitness panels and blood tests to stay in top shape.

We’re proud to serve our local community with tests that support a healthier, safer life for everyone.



Types of Lab Tests We Offer

We cover a wide range of lab work. Whether it’s a one-time test or something your job requires regularly, we’ve got you.

Blood Panels

  • CBC (Complete Blood Count) – Checks for anemia, infection, and other issues.
  • Metabolic Panel – Helps monitor blood sugar, calcium, and more.
  • Lipid Panel – Measures cholesterol and heart health indicators.

Hormone Testing

  • Thyroid Function – Tests like TSH and T4 help evaluate metabolism.
  • Testosterone – Useful for men and women managing hormone balance.
  • Cortisol – Measures stress and adrenal function.

Infectious Disease

  • STD Testing – Fast, private testing for common infections like HIV, chlamydia, and gonorrhea.
  • Hepatitis Panel – Screens for A, B, and C.
  • COVID-19 Testing – We offer both PCR and antibody tests.

Employer Testing

  • DOT Drug Tests – For commercial drivers who need to stay compliant.
  • Pre-Employment Drug Screens – Keeps your workplace safe.
  • Random Screenings – We help businesses stay on top of their testing policies.

Specialty Lab Work

  • Vitamin & Nutrient Panels – Check your Vitamin D, B12, and other key nutrients.
  • Allergy Testing – Learn what’s triggering those sneezes or skin issues.
  • Cancer Marker Tests – Early detection saves lives.

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

Make an Appointment


How It Works – Easy and Quick

We’ve made the lab testing process as smooth as possible:

  1. Walk In Anytime – No appointment needed.
  2. Quick Sample Collection – Our staff makes the process comfortable and easy.
  3. Fast Results – Most test results come back in 24–48 hours.
  4. Employer Reports – We can send results directly to your workplace if needed.


Why People in Manassas Choose Us

There’s a reason locals keep coming back to Altmed Medical Center:

  • Convenient Location – Easy to get to, right off Liberia Ave near I-66.
  • Fast Turnaround – We know your time matters.
  • Affordable Testing – We accept many insurances and offer reasonable self-pay rates.
  • Friendly Staff – We explain things in plain English and always treat you with care.

Let’s say you’re a truck driver working for a company near Manassas Mall. You just found out you need a DOT drug test today. No problem — stop by Altmed on your way to work, get your test done in minutes, and be on your way with results ready fast. That’s how simple we make it.



All you need to know about lab tests

  • How long does a drug test take?

    Most drug tests at Altmed Medical Center in Manassas take around 10 to 15 minutes. This includes check-in, ID verification, paperwork, and sample collection. The actual urine drug screening process takes about 5 minutes.

  • 1. Standard drug test results are usually emailed within 24 hours.
    2. If your sample requires further lab testing, it may take up to 72 hours.

  • Your results are sent as a secure PDF to the email you provide at the time of testing. Only the designated person or employer will receive the results. We also retain a copy for medical record-keeping and compliance

  • Most workplaces don’t need to give notice, especially for:
     • Random drug testing
     • Post-accident testing
     • Reasonable suspicion

    Always check your company's drug testing policy for specific details.

  • Please bring a valid photo ID, such as:
     • Driver’s License
     • Passport
     • Work/Site ID

  • Drink a moderate amount of water 1–2 hours before your test. Avoid excessive fluids, as they may dilute your sample. Also, try not to use the restroom within an hour before your test so you’re ready to provide a sample.

  • This depends on your:
     • Workplace policy
     • Employment contract
     • Job role and associated risk factors

    Common testing frequencies include random testing, scheduled checks, or post-incident testing.

  • You may be required to undergo a drug or alcohol screening:

    • Before starting a new job (pre-employment)
    • After a workplace incident
    • During random spot checks
    • If there's reasonable suspicion
    • During rehab monitoring
    • When switching departments (internal transfers)

  • Our 6-panel drug screen typically tests for:

    THC (Cannabis/Marijuana)
    Amphetamines
    Methamphetamines
    Cocaine metabolites
    Opiates
    Benzodiazepines

  • Yes, we offer breath alcohol testing (BAT) alongside drug screening services.

  • If your sample is sent to our laboratory:

    • Results are usually ready within 24–72 hours.
    • For urgent needs, ask about expedited processing.

  • We follow strict protocols and lab validation checks to detect:

    • Synthetic urine
    • Adulterated samples
    • Dilution or substitution attempts

  • No, we do not keep a specific database of people who fail their drug tests.



Ready for Your Test?

Don’t wait on your health. Whether it’s routine blood work, a drug test for your job, or a checkup before school starts, we’re ready to help.

Need care today? We’ve got you covered — walk-ins welcome and same-day appointments available at Altmed Medical Center.
Call (703) 361-4357 or

Book Your Visit Now