Lab testing guides — honest, Ashburn-specific answers
Real prices, real timing, real comparisons. Plain-English answers to the questions our Ashburn neighbors ask most often before walking in.
Browse by topic
What are you trying to figure out?
Each guide is short, scannable, and grounded in real Ashburn prices and procedures. No marketing fluff.
Cost & pricing
Real flat prices for the tests you’re considering — no insurance, no surprise bills.
STD testing
How much does STD testing cost in Ashburn?
Real walk-in prices for individual STD tests and the Comprehensive Panel — no insurance, no surprise bills.
Read the guideDrug testing
How much does a drug test cost in Ashburn?
Real walk-in drug test prices, by panel and sample type. No insurance, no surprise bills.
Read the guideDNA testing
How much does a paternity test cost in Ashburn?
Peace-of-mind paternity is $299. Legal (court-admissible) is $449. Immigration DNA is $549.
Read the guideBlood work
Blood work without insurance in Ashburn — how it works
Flat published prices, doctor’s order included, no surprise bills. Often cheaper than insurance copays.
Read the guideTiming & windows
How long do results take, and when after exposure is each test reliable.
STD testing
STD test window periods — when each test becomes reliable
Different STIs become detectable at different points after exposure. Testing too early can produce false negatives.
Read the guideSTD testing
How long do STD test results take?
Most STD results post in 24 to 72 hours through your secure online portal. Some rapid screens are same-visit.
Read the guideDrug testing
How long do drugs stay detectable? Detection windows by sample type
Urine, hair, and nail samples cover different detection windows. Pick the right sample for your situation.
Read the guideBlood work
How long does blood work take — visit time and result timing
Visit: about 10 to 15 minutes. Results: 24 to 72 hours via secure online portal.
Read the guideSide-by-side comparisons
When to choose one test over another — PPD vs QuantiFERON, legal vs at-home DNA.
Drug testing
5 panel vs 10 panel drug test — what is the difference?
The 5-panel is the DOT standard. The 10-panel adds prescription medications. Pick based on your employer or court requirement.
Read the guideDNA testing
Legal paternity test vs at-home paternity test — what is the difference?
Same science, different procedure. Legal tests use chain-of-custody and are court-admissible. Home tests are for personal knowledge only.
Read the guideTB testing
PPD vs QuantiFERON TB test — which should you choose?
PPD is the long-standing standard but needs two visits. QuantiFERON is single-visit and preferred for BCG-vaccinated patients.
Read the guideWhat is it?
Plain-English explainers — what is a wellness panel, what is a TB skin test.
Blood work
Do you need a doctor’s order to get blood work in Ashburn?
No — Any Lab Test Now includes the doctor’s order at no charge for almost every test we run.
Read the guideBlood work
What is a wellness panel — markers, cost, and who it’s for
A comprehensive blood panel covering CBC, CMP, lipid, A1C, thyroid, vitamin D, iron, and key hormones in a single draw.
Read the guideTB testing
What is a TB skin test? (PPD / Mantoux test)
A two-visit screening test for tuberculosis exposure — small forearm injection read 48 to 72 hours later.
Read the guidePrep & instructions
Fasting rules, what to bring, and how to get the cleanest result on the first draw.
Have a question we haven’t covered?
Call us at 571-500-7030 — happy to talk through your situation before you walk in.