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STD Testing in Agar, SD: Free, Same-Day & Confidential

In Sully County, reported chlamydia runs about 73% lower than the US average. Agar people might want STI testing before starting a new relationship or as part of ongoing care. Local options include public clinics with lower costs, private labs that offer faster results, and at-home testing kits that skip the clinic visit.

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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 Agar, SD

2 testing options are listed for Agar, SD. The nearest, Access Health - Onida, is about 9.3 miles away. Compare 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 9.3 miles

Access Health - Onida

Where these reviews come from

Review sources

  • Google3
  • EasySTD1
Rated 5 out of 5 from 4 reviews

Access Health - Onida earned its federally qualified health center designation by meeting the needs of patients who pay out of pocket, lack insurance, or simply need a reliable local option. Sliding-scale fees adjust to income, keeping syphilis, gonorrhea, and chlamydia screening within reach in Onida.

Sliding-scale
Address
303 South Main Street, Onida, SD 57564
Website
Premium Partner

Sanford Health Laboratories

Most reviewed Results in 1–2 days
Where these reviews come from

Review sources

  • Google15
  • EasySTD1
Rated 4.5 out of 5 from 16 reviews
Address
521 East Sioux Avenue, Pierre, SD 57501 35.6 miles away
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
  • 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.

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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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Every other option

More ways to get tested in Agar, SD

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 Agar, SD

The nearest testing center is about 9 miles away; if you'd rather skip the trip, an at-home kit ships to Agar, 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.

Also in the area

Other CLIA-certified labs near Agar, SD

Beyond the public testing sites above, these federally certified (CLIA) labs serve Sully 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.

  • Access Health Onida

    303 South Main, Onida, SD 57564

    CMS-certified lab

    • STD testing
    Call Directions

Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Agar. 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.

Nearby pharmacies

Pharmacies near Agar, SD

No pharmacy near Agar, SD 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.

  • Vilas Pharmacy

    13 mi
    Rx pickupCondoms / EC
    Directions
  • Walmart Pharmacy 34 mi
    Rx pickupAt-home STI kitsHPV & Hep B vaccinesCondoms / EC
    Directions
  • Walgreens 35 mi
    Rx pickupOTC HIV self-testAt-home STI kitsPrEP/PEP fillsHPV & Hep B vaccinesCondoms / EC
    Directions

  • Dakotamart

    35 mi
    Rx pickupCondoms / EC
    Directions

Showing the 4 closest pharmacies to Agar, SD.

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 Agar, 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 Sully County: the local picture

How reported STI rates in Sully County, the county that includes Agar, compare with South Dakota and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~17% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.

#52 of 66 South Dakota counties for chlamydia, a higher rate than 21% of the state

Reported STD rates per 100,000, Sully County vs South Dakota vs U.S.

Sully County South Dakota U.S. ▲▼ = Sully County vs the state average
Infection Sully County South Dakota United States
Chlamydia
133.9 2 cases ▼ 75%
531.6 492.2
Gonorrhea — no data 253.3 179.5
Syphilis (P&S) — no data 73.4 15.8
Syphilis (early) — no data 76.8 16
Syphilis (late/unknown) — no data 72.9 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.

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

Chlamydia ▼ 2% vs 2022
Chlamydia Gonorrhea Syphilis (P&S)
0 75 150 202020222023

Between 2020 and 2023 in Sully County, chlamydia has risen from 69.2 to 133.9 per 100,000 (93%).

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 Agar, SD

Adults uninsured
7.1%
No routine checkup
21.3%
Binge drinking
16.9%
Frequent mental distress
13.4%
Depression
18.7%
Below poverty line
15.7%
Primary-care ratio
-1,476 : 1
Sully County
  • Primary-care shortage score 15 / 26
  • Medically Underserved Area · IMU 56.5
  • Social Vulnerability Index · 3rd 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 Sully County.

Local HIV snapshot

HIV in Sully County (2023)

People living with HIV
0 / 100k
New diagnoses (2023)
0cases countywide

Sully County HIV care continuum (2023)

Sully County recorded 0 new HIV diagnoses per 100,000 (2023), against 6.8 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 Sully 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)

16 Sources

Local resources & officials

Data & references

Local context

About Agar, SD

Agar's rural spread means that for residents, especially young adults still forming relationships, a visit to a testing site requires some effort. With many households including multiple generations and children, finding a time that works can be a challenge.

The area's strong labor-force participation and high homeownership rate mean that many residents have a stable financial foundation, but also face the demands of work and family responsibilities. With a significant share of households earning higher incomes and a relatively low unemployment rate, the pressure to balance work and personal life is a common experience.

For those living in Agar, getting tested is one of many aspects of life that needs to fit into a busy schedule, often with limited flexibility. As residents plan for the week ahead, taking care of health needs like testing can easily get pushed aside - but with a little planning, it's possible to make it a routine part of life, especially with the options listed here in and around Agar.

Getting there

How residents reach STD testing in Agar, SD

Walkability 6.47 / 20 · Below average

At 6.47/20 on the EPA walkability index, day-to-day errands in Agar 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 2 STD & STI testing locations in Agar, South Dakota, EasySTD

ZIP 57520 snapshot

Residents
127
Median age
63.4
Median income
$46,875

ZIP-level Census figures for the wider 57520 area around Agar: a single ZIP can span several communities, so they describe the area, not Agar alone.

Reference

STD testing in Agar, SD: screening, costs & privacy

Everything to know before you test in Sully County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under South Dakota 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 an Agar-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 Agar 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 South Dakota

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

Two things that actually depend on South Dakota 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 South Dakota, 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)

Expedited Partner Therapy (EPT) is potentially allowable in South Dakota: it is not expressly authorized, but not prohibited either. Ask your provider whether they will prescribe treatment for a partner without a separate visit.

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 South Dakota

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 Agar, SD

Answers to the questions people ask most before getting tested.

Where's the nearest STD testing to Agar, SD?

Access Health - Onida, about 9.3 mi away, with 1 option within 30 miles.

Can I use Medicaid for testing?

Yes, Medicaid typically covers it.

Can I get tested in Agar, SD without insurance?

Public clinics serve people without insurance, often on a sliding scale.

What's included in a full panel near Agar, SD?

A full panel typically covers chlamydia, gonorrhea, syphilis, HIV, and hepatitis B and C.

How common is chlamydia in Sully County?

Sully County reported ~134 chlamydia cases per 100,000 in 2023, below the South Dakota average.

Can someone under 18 get tested in South Dakota without a parent?

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

How do I prepare for an STD test near Agar, SD?

Little prep is needed, bring an ID and insurance if you have it, and note your exposure dates and any symptoms; for a urine test, avoid peeing for about an hour beforehand.

How do I tell a partner I tested positive?

Telling recent partners lets them test and treat; many health departments offer confidential partner-notification help.

Is STD testing part of prenatal care?

Pregnancy screening is standard; ask about an early-pregnancy STI panel.

Clinic or at-home test, which is better near Agar, SD?

Clinics give immediate care and treatment; home kits win on convenience and discretion. Either works.

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