In Snohomish County, new HIV diagnoses run about 72% lower than the US average. Whether you're seeking testing before starting a new relationship or as part of ongoing care in Index, Washington, you can weigh the benefits of community and public clinics against those of private labs. The list below can help.
Available testing centers
4 testing options are listed for Index, WA. The nearest, Labcorp, is about 19.6 miles away. Compare private labs and at-home kits below.
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 20 miles away; if you'd rather skip the trip, an at-home kit ships to Index, 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 Snohomish 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.
9710 State Avenue, Marysville, WA 98270
CMS-certified lab
4225 Hoyt Ave Suite A, Everett, WA 98203
CMS-certified lab
4410 106th Street Southwest, Mukilteo, WA 98275
CMS-certified lab
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Index. 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, 297 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Index. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 152 offer telehealth.
Evan Teplow, MD
Family medicine · 17707 West Main Street, Monroe
Philip Hassrick, MD
Family medicine · 14841 179th Avenue Southeast, Monroe
Jessica Yang, DO Telehealth
Family medicine · 14841 179th Avenue Southeast, Monroe
Jennifer Richards, MD
Family medicine · 23525 Northeast Novelty Hill Road, Redmond
Victor Cai, MD Telehealth
Internal medicine · 37624 Southeast Fury Street, Snoqualmie
Megha Shah, MD
Internal medicine · 35020 Southeast Kinsey Street, Snoqualmie
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 Index, WA 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.
Invara
12 miMonroe Pharmacy
19 mi
19 mi 
20 mi Fred Meyer Pharmacy
20 miShowing the 5 closest pharmacies to Index, WA.
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 Index, 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.
From $0 insured
Telehealth PrEP & DoxyPEP with at-home testing and ongoing monitoring
Visit from $0 insured
Telehealth STI treatment and sexual-health care, delivered or to your pharmacy
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 Snohomish County, the county that includes Index, compare with Washington and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~15% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#24 of 39 Washington counties for chlamydia, a higher rate than 38% of the state
| Infection | Snohomish County | Washington | United States |
|---|---|---|---|
| Chlamydia | 252.7 2,135 cases ▼ 29% | 354.4 | 492.2 |
| Gonorrhea | 74.7 631 cases ▼ 42% | 129.6 | 179.5 |
| Syphilis (P&S) | 8 68 cases ▼ 62% | 21.3 | 15.8 |
| Syphilis (early) | 8.2 69 cases ▼ 34% | 12.5 | 16 |
| Syphilis (late/unknown) | 10.7 90 cases ▼ 53% | 22.9 | 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 Snohomish County, chlamydia has fallen from 321.6 to 252.7 per 100,000 (21%), gonorrhea has fallen from 98 to 74.7 per 100,000 (24%), and P&S syphilis has risen from 7.5 to 8 per 100,000 (7%).
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 Snohomish County.
Local HIV snapshot
Snohomish County HIV care continuum (2023)
Snohomish County recorded 3.8 new HIV diagnoses per 100,000 (2023), against 6.3 statewide and 13.7 nationally. Among Snohomish County residents living with HIV, 85.2% are in care · 77.9% 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 Snohomish County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
Sunset Falls draws hikers from the highway, but the town that lives in its shadow runs on its own quieter rhythm, and that rhythm shapes how easily residents fit health care into a week. The ownership-heavy character of the community, nearly two-thirds of households own their homes, combined with an average household running close to three people suggests many residents are settled couples and small families rather than a transient population. Still, the renting third of the town faces monthly costs that leave limited slack for out-of-pocket medical expenses, and those households tend to overlap with the younger adults in their late teens and twenties for whom routine STI screening is most clinically relevant.
Snohomish County's STI picture reinforces why that group benefits from knowing their specific options before something feels urgent. For a renter near Mount Index Road paying market rent on a $725 lease, the sliding-scale and low-cost options among the listings here aren't a minor convenience. They're often the reason a screening appointment moves from a thought to a confirmed date on the calendar.
Getting there
At 3.73/20 on the EPA walkability index, day-to-day errands in Index generally mean driving: plan on a car or rideshare to reach a clinic, and check each listing's hours and phone before you go.
Source: EPA National Walkability Index 2021.
ZIP 98256 snapshot
ZIP-level Census figures for the wider 98256 area around Index: a single ZIP can span several communities, so they describe the area, not Index alone.
Index sits in Snohomish County, ZIP 98256. Local context that shapes where residents test:
Local landmarks
Nearby cities & towns
Just outside Index? 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 Snohomish County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Washington 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 an Index-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 Index 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 Washington 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 Washington, a minor of any age can consent to confidential STI testing and treatment on their own, no parental permission is required.
Washington 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 WashingtonSource: 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.
Some clinics and labs take walk-ins for same-day testing; call ahead to confirm hours.
Medicaid generally covers STD 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 253 cases per 100,000 residents (2023), below the Washington average.
Yes, at-home kits ship to 98256; you collect a sample, mail it back, and get results in about 2–5 days.
In Washington, people under 18 can consent to confidential STD testing and treatment on their own.
It's cured with antibiotics; treating partners together prevents reinfection.
There's no cure, but antivirals manage symptoms well and reduce transmission.
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.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.