New HIV diagnoses in Fairfax County run at about 47% lower than the US average. Whether you need testing after a possible exposure or as part of routine care in Mason Neck, Virginia, you can choose from immediate walk-in options, or kits and labs that fit your schedule.
Available testing centers
7 testing options are listed for Mason Neck, VA. The nearest, Inova-GoHealth Urgent Care, is about 3.8 miles away. Compare community and public clinics, private labs, and at-home kits below.
Listings tagged Community health center are federally funded health centers and rural clinics that treat everyone regardless of insurance or ability to pay: required to bill on a sliding fee scale and provide confidential care, and in many states minors may consent to their own STI testing. A Title X tag flags centers funded for confidential family-planning services; confirm current participation when you call.
Source: CMS FQHC & Rural Health Clinic enrollment files (data.cms.gov), refreshed quarterly. Title X status reflects the latest OPA grantee list.
Inova-GoHealth Urgent Care in Lorton accepts Medicaid and most insurance for STI testing, with a fee for uninsured visits. The panel covers HIV, syphilis, gonorrhea, chlamydia, herpes, hepatitis A, B, and C, plus TB: no appointment needed, and bacterial infections treated same visit.
Plenty of STI clinics cap their testing at HIV, syphilis, gonorrhea, and chlamydia, and that's where the visit ends. Inova-GoHealth Urgent Care in Lorton runs a wider sweep: herpes, hepatitis A, hepatitis B, hepatitis C, and TB are all on the table, so a single visit can answer questions that a narrower panel would leave open.
Many urgent-care settings handle language barriers informally, leaving non-English speakers to piece together what was said. At Inova-GoHealth Urgent Care in Lorton, interpretation services are a built-in part of the clinical encounter: meaning the conversation about symptoms, results, and next steps actually lands.
Languages
English, Interpretation Services Available for Non-English Languages
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Nov 2025 · Source: CDC NPIN
Catholic Charities of the Diocese of Arlington Mother of Mercy Free Clinic in Woodbridge charges nothing for any service it provides, donations are welcome but never required. Appointments are needed, and the clinic tests for gonorrhea, chlamydia, syphilis, and HIV, with HPV and hepatitis A and B vaccines also available.
Languages
English
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Dec 2025 · Source: CDC NPIN
Greater Baden Medical Services, a community health center in Bryans Road, folds STI testing into ongoing primary care: standard panel, sliding-scale fees, and same-visit treatment for bacterial infections like gonorrhea and chlamydia, by appointment.
Walk-in language access at most clinics stops at a phone line handed across the desk. Greater Baden Medical Services carries Spanish-speaking staff and interpretation for other languages directly into the exam room, so the clinical conversation (exposure history, symptoms, treatment options) happens without an intermediary filtering it.
Greater Baden Medical Services holds standing capacity to test for herpes and hepatitis A, B, and C alongside gonorrhea, chlamydia, syphilis, and HIV. Useful for anyone without a regular provider who needs a single appointment to cover the full picture rather than piecing it together across multiple visits.
Languages
English, Interpretation Services Available for Non-English Languages, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Sep 2025 · Source: CDC NPIN + HRSA
Free tool · not a clinic
Testing too soon can miss an infection. Enter the date of possible exposure to see the earliest a test can reliably detect each STI.
| Infection | Earliest reliable test | Conclusive after |
|---|---|---|
| Chlamydia | 7 days after exposure | 14 days after exposure |
| Gonorrhea | 7 days after exposure | 14 days after exposure |
| Trichomoniasis | 7 days after exposure | 28 days after exposure |
| HIV (NAT / RNA) | 10 days after exposure | 33 days after exposure |
| HIV (4th-gen Ag/Ab) | 18 days after exposure | 45 days after exposure |
| HIV (antibody) | 21 days after exposure | 84 days after exposure |
| Syphilis | 21 days after exposure | 42 days after exposure |
| Hepatitis B | 21 days after exposure | 42 days after exposure |
| Hepatitis C | 56 days after exposure | 77 days after exposure |
| Herpes (HSV) | 28 days after exposure | 112 days after exposure |
Guidance only, confirm timing with a clinician. A negative result before the conclusive date may need a repeat test.
Typical out-of-pocket ranges by option, actual cost depends on which tests you need.
Public / community clinic
Free HIV testing is common
Private lab (self-pay)
Never billed to insurance
At-home kit
Mailed to your door, private
Doctor / urgent care
Often $0 preventive with insurance
No centers match those filters. Clear the service-type filter or the opening-hours filters to see every center.
Every other option
Beyond the dedicated testing centers above: at-home kits by mail, hospital labs certified for STI testing, local clinicians who can order a panel during a regular visit, pharmacies for self-test kits and prescriptions, and online PrEP & treatment.
Test from home
The nearest testing center is about 4 miles away; if you'd rather skip the trip, an at-home kit ships to Mason Neck, you collect the sample privately, and mail it back to a CLIA-certified lab. Results come online in days, with a clinician available if anything is positive. Same labs as a clinic, no waiting room, and you can read how accurate at-home STD tests are before you order.
Want a free option first? The CDC-supported TakeMeHome (opens in a new tab) program mails free at-home HIV self-test kits, and, in many areas, free STI kits, to your door, with no insurance or payment needed. The paid kits below add broader panels and faster turnaround.
In-home collection
$79 & up
Best value: single tests
$49 & up
Best for simplicity & support
$89 & up
Every kit uses CLIA-certified labs. At-home testing is for screening; a reactive result should be confirmed and treated by a clinician. Prices and panels shown are illustrative and change often, confirm current details on the provider's site.
Also in the area
Beyond the public testing sites above, these federally certified (CLIA) labs serve Fairfax County, each lab's town is shown on its card below. Many test through a doctor's order or by appointment rather than walk-in, so call ahead to confirm STD/STI testing and availability before visiting.
9321 Sanger Street, Lorton, VA 22079
CMS-certified lab Accredited · College of American Pathologists
9455 Lorton Market Street, Suite 100, Lorton, VA 22079
CMS-certified lab
4316 L Evergreen Lane, Annandale, VA 22003
CMS-certified lab Accredited · College of American Pathologists
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Mason Neck. A CLIA certificate records only that a laboratory is federally certified — it does not confirm the site performs STD testing, nor its hours, price or access. Inclusion is not an endorsement; always call to verify.
Local clinicians
Beyond dedicated clinics, 4,451 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Mason Neck. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 1,848 offer telehealth.
Ario Babolian, MD
Internal medicine · 10716 Richmond Highway, Lorton
Frank Ciampi, MD
Family medicine · 9500 Richmond Highway, Lorton
Heather Elsner Boldt Telehealth
Family medicine · 7740 Gunston Plz, Lorton
Debora Vasquez, MD Telehealth
Family medicine · 7764 Armistead Road, Lorton
John Symington, MD Telehealth
Infectious disease · 9455 Lorton Market Street, Lorton
Tsedey Eshetu, MD Telehealth
Family medicine · 9321 Sanger Street, Lorton
These are registry-listed clinicians, not dedicated STD-testing clinics. CMS records do not independently verify current licensure, testing services, availability, price, or new-patient status. Confirm each detail before booking. Source: CMS Doctors & Clinicians.
Nearby pharmacies
No pharmacy near Mason Neck, VA publishes an STD-related service or holds a current CLIA testing certificate, so these are simply the closest. Contact a location directly to confirm counter hours, services, prices, and availability before visiting.
3.7 mi Indian Head Pharmacy
4.0 miGiant of Maryland
4.0 mi
4.2 mi Omm
4.8 miPotomac Health Pharmacy
5.1 miShowing the 6 closest pharmacies to Mason Neck, VA.
Directory records identify nearby pharmacies. Service, stock, price, and hours information is shown only when supported by current location-specific evidence.
Prevention & treatment
Testing is one step. For residents of Mason Neck, telehealth covers the rest: HIV-prevention medication (PrEP) and DoxyPEP to lower future risk, and discreet online treatment if a result comes back positive. All prescribed by licensed U.S. clinicians.
Visit from $0 insured
Telehealth STI treatment and sexual-health care, delivered or to your pharmacy
From $0 insured
Telehealth PrEP & DoxyPEP with at-home testing and ongoing monitoring
Visit from $39
Online STI treatment & DoxyPEP: same-day prescriptions to your pharmacy
$0 with most insurance
Free online PrEP & DoxyPEP: HIV prevention, home lab kits, no in-person visit
Pricing varies by insurance and changes often, confirm on the provider's site. These services are not a substitute for emergency care.
STD stats & rates
How reported STI rates in Fairfax County, the county that includes Mason Neck, compare with Virginia and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~19% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#69 of 133 Virginia counties for chlamydia, a higher rate than 48% of the state
| Infection | Fairfax County | Virginia | United States |
|---|---|---|---|
| Chlamydia | 309 3,528 cases ▼ 35% | 472.8 | 492.2 |
| Gonorrhea | 86.9 992 cases ▼ 45% | 158.3 | 179.5 |
| Syphilis (P&S) | 5.1 58 cases ▼ 52% | 10.7 | 15.8 |
| Syphilis (early) | 6.6 75 cases ▼ 31% | 9.5 | 16 |
| Syphilis (late/unknown) | 10.2 116 cases ▼ 35% | 15.8 | 29.5 |
Rates per 100,000 population, 2023. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis). Population figures: U.S. Census Bureau ACS. These figures are the latest available surveillance estimates. Bars are scaled to the highest rate shown.
Reading these numbers: reported case rates only count infections that were actually tested for and diagnosed, so they track local screening effort as much as true spread: a higher rate can reflect more testing, a lower one less. Either way, most STIs cause no symptoms, so treat the figures above as context rather than a verdict, and test on the CDC's schedule regardless of how your area looks.
Between 2020 and 2023 in Fairfax County, chlamydia has risen from 256.5 to 309 per 100,000 (20%), gonorrhea has risen from 56.2 to 86.9 per 100,000 (55%), and P&S syphilis has risen from 4 to 5.1 per 100,000 (27%).
The 2020 dip reflects reduced pandemic-era screening, not lower transmission. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis).
Community health context
Sources: CDC PLACES (ZIP), County Health Rankings, CDC/ATSDR SVI, HRSA HPSA, HRSA MUA/P, Neighborhood Atlas ADI. Lower insurance coverage, fewer routine checkups, and a thin primary-care ratio all raise the value of low-cost public clinics and at-home testing in Fairfax County.
Local HIV snapshot
Fairfax County HIV care continuum (2023)
Fairfax County recorded 7.2 new HIV diagnoses per 100,000 (2023), against 11.8 statewide and 13.7 nationally. Among Fairfax County residents living with HIV, 64% are in care · 59% are virally suppressed. Early, routine testing is what moves these numbers: it is the entry point to PrEP, treatment, and viral suppression.
Sources: AIDSVu (Emory/Gilead) · CDC AHEAD · CDC AtlasPlus · CDC NCHHSTP AtlasPlus (county care continuum). The CDC recommends everyone aged 13–64 test for HIV at least once: every lab and clinic listed above offers HIV testing, and free rapid HIV testing is available at a local health department.
Congenital syphilis, passed from parent to baby in pregnancy, is the fastest-rising STI in the country. U.S. cases climbed from 2,163 in 2020 to 3,882 in 2023. It is almost entirely preventable: the CDC recommends a syphilis test at the first prenatal visit, and every clinic and lab listed for Fairfax County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
Mason Neck sits in Fairfax County, Virginia: a small-town community, where household incomes skew high, and the jobless rate sits near 3.4%. College degrees are common, around 54.9% of adults. A nearby clinic plus at-home kits and telehealth make testing easy to arrange.
Getting there
Mason Neck scores 11.61/20 on the EPA walkability index, so many trips are walkable or a short ride, though a car still gives you the widest choice of testing centers.
Source: EPA National Walkability Index 2021.
ZIP 22079 snapshot
ZIP-level Census figures for the wider 22079 area around Mason Neck: a single ZIP can span several communities, so they describe the area, not Mason Neck alone.
Mason Neck sits in Fairfax County, ZIP 22079. Local context that shapes where residents test:
Local landmarks
Neighborhoods & communities
Major routes
Nearby cities & towns
Just outside Mason Neck? These nearby communities have their own testing guides: clinics, at-home kits, and free screening close to home.
Reference
Everything to know before you test in Fairfax County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Virginia law. If you have symptoms right now, our confidential symptom checker maps them to the tests worth considering.
Based on current CDC screening recommendations.
| Group | Tests | How often |
|---|---|---|
| Everyone aged 13–64 | HIV | At least once |
| Sexually active women under 25 | Chlamydia, gonorrhea | Every year |
| Women 25+ with new or multiple partners | Chlamydia, gonorrhea | Every year |
| Pregnant people | HIV, syphilis, hepatitis B & C, chlamydia | Early in pregnancy |
| Gay & bisexual men (MSM) | Chlamydia, gonorrhea, syphilis, HIV | Every 3–6 months |
| Anyone who shares injection equipment | HIV, hepatitis B & C | At least yearly |
| All adults at least once | Hepatitis C | At least once |
Testing too early can return a false negative, confirm timing with a Mason Neck-area provider.
| Infection | Earliest reliable test | Sample |
|---|---|---|
| Chlamydia | 1–2 weeks | Urine or swab |
| Gonorrhea | 1–2 weeks | Urine or swab |
| Trichomoniasis | 1–4 weeks | Urine or swab |
| HIV (NAT / RNA) | 10–33 days | Blood |
| HIV (4th-gen Ag/Ab) | 18–45 days | Blood |
| HIV (antibody) | 3–12 weeks | Blood / oral |
| Syphilis | 3–6 weeks | Blood |
| Hepatitis B | 3–6 weeks | Blood |
| Hepatitis C | 8–11 weeks | Blood |
| Herpes (HSV) | 4–16 weeks (antibody); swab a sore | Blood / swab |
These are the federal Medicare reference prices for processing each lab test. Public clinics and the community health centers serving Mason Neck often test free or on a sliding scale; private labs and at-home kits bundle several tests into one fee. Use this as a per-test benchmark before you pay out of pocket, or see the full guide to STD test costs for insurance, free, and at-home options.
| Test | Reference price | CPT / HCPCS |
|---|---|---|
| Chlamydia (NAAT) | $47.80 | 87491 |
| Gonorrhea (NAAT) | $47.80 | 87591 |
| Trichomoniasis (NAAT) | $47.76 | 87661 |
| HIV-1/2 antigen/antibody | $26.87 | 87389 |
| HIV-1/2 antibody | $22.44 | 86703 |
| Syphilis (RPR/VDRL) | $5.61 | 86592 |
| Syphilis (treponemal antibody) | $17.49 | 86780 |
| Herpes (HSV NAAT) | $47.76 | 87529 |
| Hepatitis B surface antigen | $15.33 | 87340 |
| Hepatitis C antibody | $29.16 | 86803 |
Source: Medicare Clinical Laboratory Fee Schedule, CMS, 2025 rates (data.cms.gov). Reference rate for the lab assay only: a clinic visit, sample collection, or a bundled multi-test panel may cost more. Medicaid and most insurers cover STD screening at no out-of-pocket cost.
Two things that actually depend on Virginia law: who can consent, and whether partners can be treated without their own visit. Everything else about testing privately is the same nationwide (see below).
In Virginia, a minor of any age can consent to confidential STI testing and treatment on their own, no parental permission is required.
Virginia permits Expedited Partner Therapy (EPT): if you test positive for chlamydia or gonorrhea, your provider can give you medication (or a prescription) to pass to your partner, no separate exam or appointment needed for them.
Keeping a test private works the same in every state. Whether an STD test shows on insurance (the EOB), how to test anonymously, and self-pay options that leave no insurance trail don’t change by location.
Learn more about confidential STD testing in VirginiaSource: Guttmacher Institute, Minors' Access to STI Services; CDC, Legal Status of Expedited Partner Therapy. General information, not legal advice.
Good to Know
Answers to the questions people ask most before getting tested.
Possibly, Neabsco, VA is close; compare it by distance against Inova-GoHealth Urgent Care.
Public clinics are free; private labs ~$24–$139, at-home kits $49+.
Public clinics nearby offer free HIV testing.
Local options test for Chlamydia, Gonorrhea, Syphilis, Herpes, Hepatitis A, Hepatitis B, Hepatitis C, Rapid HIV, a full panel covers the common ones.
About 309 cases per 100,000 residents (2023), below the Virginia average.
Yes, at-home kits ship to 22079; you collect a sample, mail it back, and get results in about 2–5 days.
In Virginia, people under 18 can consent to confidential STD testing and treatment on their own.
It depends: a blood draw covers HIV, syphilis, and hepatitis, while urine or a swab covers chlamydia and gonorrhea.
Yes, test after the window period, and if HIV exposure is a concern, ask about PEP within 72 hours.
Absolutely; screening is designed for the symptom-free stage, just wait until the window period closes.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.