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STD Testing in Princeton, MO: Free, Same-Day & Confidential

Chlamydia cases in Mercer County are about 53% lower than the national average. Located in Princeton, Missouri, you may need testing after a possible exposure or as part of routine care. Some clinics offer sliding-scale fees, while private labs typically let you pay a flat price.

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  • Clinics, labs & at-home kits compared
  • Free & low-cost options included
  • Backed by CDC, CMS & Census data
  • Editorially reviewed

Available testing centers

STD testing near Princeton, MO

6 testing options are listed for Princeton, MO. The nearest, Princeton Office, is about 0.1 miles away. Compare 3 community and public clinics, private labs, and at-home kits below.

How to read these listings

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.

Community health center 0.1 miles

Princeton Office

No ratings yet

Princeton Office, in Princeton, earned its federally qualified health center designation by tying fees to income. No one is turned away for inability to pay. Walk-ins are welcome for STI screening that covers syphilis, gonorrhea, and chlamydia, with costs scaled to what each patient actually earns.

Sliding-scale
Address
606 West Main Street, Princeton, MO 64673
Website
Community health center 0.2 miles

Saint Lukes Mercer County Clinic

Where these reviews come from

Review sources

  • Google8
  • EasySTD1
Rated 5 out of 5 from 9 reviews

Saint Lukes Mercer County Clinic in Princeton operates under Rural Health Clinic and NHSC sliding-fee designations, meaning STI screening costs are tied directly to household income. Appointments are required for testing, which covers syphilis, gonorrhea, chlamydia, and HIV.

Tests & treats Sliding-scale
Address
400 North Fullerton, Princeton, MO 64673
Booking
Appointment required
Opening hours
  • Monday 8:00 AM – 5:00 PM
  • Tuesday 8:00 AM – 5:00 PM
  • Wednesday 8:00 AM – 5:00 PM
  • Thursday 8:00 AM – 5:00 PM
  • Friday 8:00 AM – 5:00 PM
  • Saturday Closed
  • Sunday Closed
Website
0.2 miles

Mercer County Health Department

No ratings yet

Mercer County Health Department in Princeton requires an appointment, and that single scheduled visit covers syphilis, gonorrhea, chlamydia, and HIV screening together. Fees are set on a sliding scale tied to income, making the full STI panel reachable for patients across a wide range of financial situations.

Tests & treats
Address
305 West Main Street, Princeton, MO 64673
Booking
Appointment required
Opening hours
  • Monday 8:00 AM – 4:30 PM
  • Tuesday 8:00 AM – 4:30 PM
  • Wednesday 8:00 AM – 4:30 PM
  • Thursday 8:00 AM – 4:30 PM
  • Friday 8:00 AM – 4:30 PM
  • Saturday Closed
  • Sunday Closed
Website
Premium Partner

Quest Diagnostics

Results in 1–2 days
No ratings yet
Address
1213 North Belt Highway, Saint Joseph, MO 77.0 miles away
Opening hours
  • Monday 7:00 AM – 3:30 PM
  • Tuesday 7:00 AM – 3:30 PM
  • Wednesday 7:00 AM – 3:30 PM
  • Thursday 7:00 AM – 3:30 PM
  • Friday 7:00 AM – 3:30 PM
  • Saturday Closed
  • Sunday Closed
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Premium Partner

Labcorp

Results in 1–2 days
No ratings yet
Address
216 South Woodbine Road, Saint Joseph, MO 77.3 miles away
Opening hours
  • Monday 7:00 AM – 4:00 PM
  • Tuesday 7:00 AM – 4:00 PM
  • Wednesday 7:00 AM – 4:00 PM
  • Thursday 7:00 AM – 4:00 PM
  • Friday 7:00 AM – 4:00 PM
  • Saturday Closed
  • Sunday Closed
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Premium Partner

Labcorp

Results in 1–2 days
No ratings yet
Address
11208 Aurora Avenue, Urbandale, IA 86.3 miles away
Opening hours
  • Monday 7:00 AM – 4:00 PM
  • Tuesday 7:00 AM – 4:00 PM
  • Wednesday 7:00 AM – 4:00 PM
  • Thursday 7:00 AM – 4:00 PM
  • Friday 7:00 AM – 4:00 PM
  • Saturday Closed
  • Sunday Closed
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Free tool · not a clinic

When can I test? Exposure-window calculator

Testing too soon can miss an infection. Enter the date of possible exposure to see the earliest a test can reliably detect each STI.

Detection windows for every 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.

Find your match in 10 seconds

What matters most to you?

What will it cost? Estimate your STD test

Typical out-of-pocket ranges by option, actual cost depends on which tests you need.

  • Public / community clinic

    Free HIV testing is common

    $0–$25

  • Private lab (self-pay)

    Never billed to insurance

    $24–$200

  • At-home kit

    Mailed to your door, private

    From $49

  • Doctor / urgent care

    Often $0 preventive with insurance

    $0–$50 copay

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Rate what mattered to you, no account needed. Reviews are moderated before publishing.

Privacy & discretion
Wait time
Staff & comfort
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Every other option

More ways to get tested in Princeton, MO

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

At-home STD testing in Princeton, MO

The nearest testing center is less than a mile away; if you'd rather skip the trip, an at-home kit ships to Princeton, 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.

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.

Local clinicians

Clinicians near Princeton, MO who may help arrange STD testing

Beyond dedicated clinics, 33 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Princeton. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 1 offer telehealth.

  • Tammy Hart, MD

    Family medicine · 400 North Fullerton Street, Princeton

    Call Directions

  • Kenneth Richards, DO Telehealth

    Family medicine · 1601 East 28th Street, Trenton

    Call Directions

  • Gregory Dean, MD

    Family medicine · 16027 Locust Street, Eagleville

    Call Directions

  • Bailey Martin, MD

    Family medicine · 1707 East 9th Street, Trenton

    Call Directions

  • Kimberly Baker, MD

    Family medicine · 3202 Miller Street, Bethany

    Call Directions

  • Shahzad Shafique, MD

    Internal medicine · 903 North 25th Street, Bethany

    Call Directions

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

Pharmacies near Princeton, MO

No pharmacy near Princeton, MO 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.

Showing the 4 closest pharmacies to Princeton, MO.

Directory records identify nearby pharmacies. Service, stock, price, and hours information is shown only when supported by current location-specific evidence.

Prevention & treatment

PrEP, prevention & online treatment

Testing is one step. For residents of Princeton, 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.

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

STDs & HIV in Mercer County: the local picture

How reported STI rates in Mercer County, the county that includes Princeton, compare with Missouri and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~25% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.

#57 of 115 Missouri counties for chlamydia, a higher rate than 50% of the state

Reported STD rates per 100,000, Mercer County vs Missouri vs U.S.

Mercer County Missouri U.S. ▲▼ = Mercer County vs the state average
Infection Mercer County Missouri United States
Chlamydia
230.6 8 cases ▼ 54%
498.6 492.2
Gonorrhea
57.7 2 cases ▼ 71%
201.9 179.5
Syphilis (P&S) — no data 21.5 15.8
Syphilis (early) — no data 12.4 16
Syphilis (late/unknown) — no data 33.8 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.

Reported STD rates in Mercer County over time (per 100,000)

Chlamydia ▼ 1% vs 2022
Chlamydia Gonorrhea Syphilis (P&S)
0 200 400 2020202120222023

Between 2020 and 2023 in Mercer County, chlamydia has fallen from 367.4 to 230.6 per 100,000 (37%), and gonorrhea has fallen from 84.8 to 57.7 per 100,000 (32%).

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

What shapes testing access in and around Princeton, MO

Adults uninsured
11.4%
No routine checkup
21.1%
No transportation
10%
Binge drinking
14.5%
Frequent mental distress
18.7%
Depression
26%
Below poverty line
18.4%
Primary-care ratio
3,488 : 1
Mercer County
  • Primary-care shortage score 16 / 26
  • Medically Underserved Area · IMU 30.6
  • Social Vulnerability Index · 49th percentile nationally

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 Mercer County.

Local HIV snapshot

HIV in Mercer County (2023)

Federal priority area: Missouri is one of the U.S. jurisdictions prioritized under the Ending the HIV Epidemic initiative: targeted federal funding to expand local HIV testing, PrEP, and prevention.

New diagnoses (2023)
0cases countywide

Mercer County HIV care continuum (2023)

Mercer County recorded 0 new HIV diagnoses per 100,000 (2023), against 10.6 statewide and 13.7 nationally. 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.

Pregnant or planning to be?

Congenital syphilis is the fastest-rising STI: what to test, and when

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 Mercer County tests for syphilis.

Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).

Reviewed & Fact-Checked · Updated

Reviewed by EasySTD Editorial Team (opens in a new tab)

Compiled and checked by EasySTD's editorial team against CDC and public-health sources. This is educational information, not a substitute for advice from a licensed clinician. Our editorial guidelines → (opens in a new tab)

15 Sources

Local resources & officials

Data & references

Local context

About Princeton, MO

Princeton Square anchors the older, owner-occupied side of town: households that have put down roots here, often large by Midwestern standards, with schedules shaped more by shift work and local employment than by remote flexibility. With well over half of residents in the labor force and a meaningful share working the kind of hours that leave little room for mid-week appointments, carving out time for routine health visits is a real logistical negotiation, not a simple calendar entry.

That pressure falls unevenly on younger adults still building their lives here, people in their late teens and twenties who are already navigating low rents along East Elm Street and the modest wages that come with a local labor market where high-earning households are genuinely rare.

Getting there

How residents reach STD testing in Princeton, MO

Walkability 4.94 / 20 · Least walkable

At 4.94/20 on the EPA walkability index, day-to-day errands in Princeton 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.

Map of 6 STD & STI testing locations in Princeton, Missouri, EasySTD

ZIP 64673 snapshot

Residents
2,492
Median age
39.4
Median income
$55,227

ZIP-level Census figures for the wider 64673 area around Princeton: a single ZIP can span several communities, so they describe the area, not Princeton alone.

Princeton sits in Mercer County, ZIP 64673. Local context that shapes where residents test:

Local landmarks

  • Princeton Square
  • Mercer County Armed Forces Memorial
  • Princeton Park

Major routes

  • US 136 (Grant Street)
  • US 65 (North College Street)
  • East Elm Street

Reference

STD testing in Princeton, MO: screening, costs & privacy

Everything to know before you test in Mercer County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Missouri law. If you have symptoms right now, our confidential symptom checker maps them to the tests worth considering.

Who should test, and when

CDC screening schedule + each infection's detection window

Who should get tested, and how often

Based on current CDC screening recommendations.

GroupTestsHow 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

When to test: STD detection windows

Testing too early can return a false negative, confirm timing with a Princeton-area provider.

InfectionEarliest reliable testSample
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
Browse all STD & STI guides

What each STD test costs

Medicare reference prices per lab test, a benchmark before you pay out of pocket

These are the federal Medicare reference prices for processing each lab test. Public clinics and the community health centers serving Princeton 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.

TestReference priceCPT / 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.

Confidentiality & consent in Missouri

Minor consent and partner treatment (EPT) under state law, plus how to test privately

Two things that actually depend on Missouri 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).

Can a minor consent on their own?

In Missouri, a minor of any age can consent to confidential STI testing and treatment on their own, no parental permission is required.

Can my partner be treated too? (EPT)

Missouri 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 Missouri

Source: Guttmacher Institute, Minors' Access to STI Services; CDC, Legal Status of Expedited Partner Therapy. General information, not legal advice.

Good to Know

STD testing FAQs for Princeton, MO

Answers to the questions people ask most before getting tested.

Can I get tested near Mercer, MO instead?

Possibly, Mercer, MO is close; compare it by distance against Princeton Office.

What does STD testing cost around Princeton, MO?

Public clinics are free; private labs ~$24–$139, at-home kits $49+.

Where's free HIV testing around Princeton, MO?

Public clinics nearby offer free HIV testing.

Which tests are offered near Princeton, MO?

Local options test for Chlamydia, Gonorrhea, Syphilis, Herpes, Hepatitis A, Hepatitis B, Hepatitis C, Rapid HIV, a full panel covers the common ones.

How common is chlamydia in Mercer County?

About 231 cases per 100,000 residents (2023), below the Missouri average.

Can someone under 18 get tested in Missouri without a parent?

In Missouri, people under 18 can consent to confidential STD testing and treatment on their own.

How long do results take near Princeton, MO?

Lab results typically come back in 1–2 days.

Should I get tested for STDs while pregnant?

Yes, the CDC recommends STI screening early in pregnancy, since untreated infections can affect the baby.

Clinic or at-home test, which is better near Princeton, MO?

A clinic offers same-day answers and on-site treatment; an at-home kit trades that for privacy and convenience, both use real lab testing.

How do I prepare for an STD test near Princeton, MO?

Just note your exposure dates and symptoms; for urine tests, hold off urinating ~1 hour before.

Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.