In Marion County, reported gonorrhea runs about 51% lower than the US average. If you are looking for STI testing options in Centralia, Illinois, whether you need testing after a possible exposure or as part of routine care, you can weigh public clinics against private labs and at-home kits.
Available testing centers
9 testing options are listed for Centralia, IL. The nearest, Marion County Health Department, is about 1.3 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.
Marion County Health Department in Centralia runs on scheduled appointments, so arriving with a confirmed slot means the visit covers gonorrhea, chlamydia, syphilis, HIV, hepatitis A, B, and C, and TB. Bacterial infections treated the same day, fees on a sliding scale, insurance accepted.
Languages
English
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Apr 2026 · Source: CDC NPIN
A safety-net rural health clinic about 10 miles from Centralia. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.
Tests offered
A safety-net rural health clinic about 11 miles from Centralia. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.
Tests offered
Southern Illinois Healthcare Foundation in Salem requires an appointment, so call ahead, but that single visit covers gonorrhea, chlamydia, syphilis, and HIV on a sliding-scale fee open to everyone, with same-visit treatment for bacterial infections and Spanish-language care available.
Plenty of STI clinics run four tests and send patients elsewhere for anything more specific. Southern Illinois Healthcare Foundation tests for herpes, hepatitis A, hepatitis B, and hepatitis C alongside the standard bacterial and HIV screens. Meaning one appointment can account for infections that often go undetected simply because they weren't on the menu.
Many clinics manage Spanish-speaking patients through workarounds that keep the actual provider conversation at arm's length. At Southern Illinois Healthcare Foundation, Spanish is available as a direct language of care, so the conversation about symptoms, history, and next steps happens without anything lost between patient and clinician.
Languages
English, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified May 2026 · Source: CDC NPIN
A safety-net rural health clinic about 15 miles from Centralia. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.
Tests offered
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 1 mile away; if you'd rather skip the trip, an at-home kit ships to Centralia, 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 for simplicity & support
$89 & up
Best value: single tests
$49 & 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 Marion 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.
400 North Pleasant, Centralia, IL 62801
CMS-certified lab Accredited · College of American Pathologists
1045 Martin Luther King Drive, Centralia, IL 62801
CMS-certified lab
100 Main Street, Salem, IL 62881
CMS-certified lab
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Centralia. 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, 75 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Centralia. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 18 offer telehealth.
Rajendra Shroff, MD Telehealth
Internal medicine · 1050 M L King Drive, Centralia
James Schutzenhofer, MD
Internal medicine · 1054 M L King Drive, Centralia
Suresh Krishnamoorthy, MD Telehealth
Internal medicine · 1054 Martin Luther King Drive, Centralia
Obinna Ibe, MD
Internal medicine · 400 North Pleasant Avenue, Centralia
Maria Riaz, MD
Internal medicine · 1138 West Mccord Street, Centralia
Esther Schulz, DO
Family medicine · 1441 West Broadway, Centralia
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 Centralia, IL 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.
Bandy's Pharmacy Ii
0.5 miMedicine Shoppe
0.5 miByrd-Watson Drug
0.5 mi
0.6 mi 
1.5 mi 
1.9 mi Showing the 6 closest pharmacies to Centralia, IL.
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 Centralia, 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 $39
Online STI treatment & DoxyPEP: same-day prescriptions to your pharmacy
Visit from $0 insured
Telehealth STI treatment and sexual-health care, delivered or 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 Marion County, the county that includes Centralia, compare with Illinois and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~24% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#28 of 102 Illinois counties for chlamydia, a higher rate than 73% of the state
| Infection | Marion County | Illinois | United States |
|---|---|---|---|
| Chlamydia | 368.1 135 cases ▼ 34% | 557.7 | 492.2 |
| Gonorrhea | 87.3 32 cases ▼ 57% | 202.3 | 179.5 |
| Syphilis (P&S) | — no data | 11.6 | 15.8 |
| Syphilis (early) | 8.2 3 cases ▼ 25% | 10.9 | 16 |
| Syphilis (late/unknown) | 10.9 4 cases ▼ 58% | 26 | 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 Marion County, chlamydia has fallen from 532.7 to 368.1 per 100,000 (31%), gonorrhea has fallen from 251.8 to 87.3 per 100,000 (65%), and P&S syphilis has risen from 5.3 to 5.4 per 100,000 (2%).
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 Marion County.
Local HIV snapshot
Marion County HIV care continuum (2023)
Marion County recorded 0 new HIV diagnoses per 100,000 (2023), against 14.7 statewide and 13.7 nationally. Among Marion County residents living with HIV, 66.7% are in care · 66.7% 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 Marion County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
Centralia took its name from its position at the geographical center of Illinois, a deliberate choice that reflected the town's role as a crossroads. That same straightforward character shapes how residents approach health care here. Testing for sexually transmitted infections is available in and around Centralia through the clinics listed on this page, and the confidentiality that accompanies those visits is absolute: test results belong to you alone, with no exceptions for employers, schools, or anyone else. Young adults in their late teens through thirties make up a meaningful presence in Centralia, a time when routine screening becomes part of staying healthy.
The town's modest cost of living means fewer financial barriers to getting tested, though economic pressures do weigh on some households. That reality makes access to straightforward, judgment-free care especially valuable here. Most Centralians are homeowners with deep ties to the community, and that stability can cut both ways when it comes to seeking care. Knowing your neighbors is part of life here, which is precisely why the confidentiality of STI testing matters.
You choose where you go, when you go, and what you share about the experience. That choice remains entirely yours.
Getting there
At 7.15/20 on the EPA walkability index, day-to-day errands in Centralia 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 62801 snapshot
ZIP-level Census figures for the wider 62801 area around Centralia: a single ZIP can span several communities, so they describe the area, not Centralia alone.
Centralia sits in Marion County, ZIP 62801. Local context that shapes where residents test:
Local landmarks
Major routes
Nearby cities & towns
Just outside Centralia? 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 Marion County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Illinois 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 Centralia-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 Centralia 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 Illinois 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 Illinois, a minor aged 12 or older can consent to confidential STI testing and treatment on their own, no parental permission is required.
Illinois 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 IllinoisSource: 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.
There are 7 options within a 30-mile drive.
Yes, Medicaid typically covers it, and public clinics are free either way.
Public clinics serve people without insurance, often on a sliding scale.
A full panel typically covers chlamydia, gonorrhea, syphilis, HIV, and hepatitis B and C.
Marion County reported ~368 chlamydia cases per 100,000 in 2023, below the Illinois average.
In Illinois, people under 18 can consent to confidential STD testing and treatment on their own.
Most results are ready in about 1–2 days.
Yes, site matters; oral/anal exposure needs a throat or rectal swab, which urine testing won't catch.
Reassuring if you tested after the window, just retest if it was early, and screen again with new partners.
Get treated, notify partners, pause sex until cleared, and follow up, the infection is manageable.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.