Mellette County reports about 972 gonorrhea cases per 100,000 residents, above the US average. Whether you're in Horse Creek, South Dakota, for a one-time concern or regular check-ups, you can choose between same-day testing at some clinics or planning around your own time with labs and at-home kits. Find your options below.
Available testing centers
5 testing options are listed for Horse Creek, SD. The nearest, Horizon Health - White River, is about 2.5 miles away. Compare 2 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.
A safety-net federally qualified health center about 3 miles from Horse Creek. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.
Tests offered
Fees & payment
Horizon Health Care in White River runs STI care through a community health model, covering gonorrhea, chlamydia, syphilis, HIV, herpes, hepatitis A, B, and C, and TB on a sliding-scale fee open to all. Appointments are required; bacterial infections are treated the same visit, and HPV, hepatitis A, and hepatitis B vaccines are available on-site.
Without interpretation woven into the visit itself, a language barrier can leave test results unexplained and treatment decisions stalled. Sometimes indefinitely. Horizon Health Care carries interpretation services for non-English languages as part of its standard care, so diagnosis, treatment options, and follow-up are communicated directly at the same appointment.
The basic STI panel at many clinics stops at gonorrhea, chlamydia, syphilis, and HIV. Leaving herpes and viral hepatitis for a separate visit elsewhere. Horizon Health Care tests for herpes, hepatitis A, hepatitis B, and hepatitis C alongside the core four, covering infections that otherwise fall through the gap in a single appointment.
Languages
English, Interpretation Services Available for Non-English Languages
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Feb 2026 · 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 3 miles away; if you'd rather skip the trip, an at-home kit ships to Horse Creek, 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 range: couples & full panels
$79 & 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 Mellette 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.
309 East 4th St Post Office Box 281, White River, SD 57579
CMS-certified lab
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Horse Creek. 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, 41 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Horse Creek. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 9 offer telehealth.
Anora Henderson, MD
Family medicine · 161 South Main, Mission
Colin O'Leary, MD
Internal medicine · 400 Soldier Creek Road, Rosebud
Anne Brewster, MD Telehealth
Internal medicine · 400 Soldier Creek Drive, Rosebud
Mina Shaker, MD
Internal medicine · 400 Soldier Creek Drive, Rosebud
Maria Ludens, MD
Internal medicine · 609 Garfield Avenue, Murdo
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 Horse Creek, 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.
White River Community Pharmacy
2.5 miMission Community Pharmacy
16 miShowing the 2 closest pharmacies to Horse Creek, SD.
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 Horse Creek, 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.
$0 with most insurance
Free online PrEP & DoxyPEP: HIV prevention, home lab kits, no in-person visit
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
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 Mellette County, the county that includes Horse Creek, compare with South Dakota and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~37% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#8 of 66 South Dakota counties for chlamydia, a higher rate than 88% of the state
| Infection | Mellette County | South Dakota | United States |
|---|---|---|---|
| Chlamydia | 1242.6 23 cases ▲ 134% | 531.6 | 492.2 |
| Gonorrhea | 972.4 18 cases ▲ 284% | 253.3 | 179.5 |
| Syphilis (P&S) | 162.1 3 cases ▲ 121% | 73.4 | 15.8 |
| Syphilis (early) | 540.2 10 cases ▲ 603% | 76.8 | 16 |
| Syphilis (late/unknown) | 378.2 7 cases ▲ 419% | 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.
Between 2020 and 2023 in Mellette County, chlamydia has risen from 729.9 to 1242.6 per 100,000 (70%), gonorrhea has risen from 156.4 to 972.4 per 100,000 (522%), and P&S syphilis has fallen from 262.1 to 162.1 per 100,000 (38%).
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 Mellette County.
Local HIV snapshot
Mellette County HIV care continuum (2023)
Mellette 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.
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 Mellette County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
The stretch of US 83 running through Horse Creek as the Blue Star Memorial Highway connects this community to the wider world, but the households clustered near White River City Park tell a more intimate story: large families averaging nearly six people under one roof, with most adults outside the formal labor force and a striking share of residents renting rather than owning their homes. Health decisions here tend to be collective and practical: shaped by shared budgets, shared schedules, and the reality that a single car or a single day off carries real weight. That household character matters when it comes to STI screening. People in their late teens and twenties make up a substantial portion of Horse Creek's population: the years when new partnerships, changing circumstances, and gaps in routine care make periodic testing genuinely useful.
At a typical rent of $358 a month, low-cost or sliding-scale fees aren't a bonus. They determine whether a visit actually happens. Mellette County's STI picture is what it is for communities with this kind of age distribution and access geography. Staying current with screening, even once a year, is simply one fewer unknown for anyone living along this stretch of South Dakota high plains.
Getting there
At 3.92/20 on the EPA walkability index, day-to-day errands in Horse Creek 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 57579 snapshot
ZIP-level Census figures for the wider 57579 area around Horse Creek: a single ZIP can span several communities, so they describe the area, not Horse Creek alone.
Horse Creek sits in Mellette County, ZIP 57579. Local context that shapes where residents test:
Local landmarks
Neighborhoods & communities
Major routes
Nearby cities & towns
Just outside Horse Creek? 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 Mellette 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.
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 Horse Creek-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 Horse Creek 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 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).
In South Dakota, a minor of any age can consent to confidential STI testing and treatment on their own, no parental permission is required.
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 DakotaSource: 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.
Yes, several local labs offer same-day walk-in testing; best to call first.
Usually yes, it can be billed to insurance, or paid out of pocket at a flat rate.
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.
Mellette County reported ~1,243 chlamydia cases per 100,000 in 2023, above the South Dakota average.
At-home kits mail to 57579: self-collect, send to the lab, results in ~2–5 days.
Most results are ready in about 1–2 days.
In South Dakota, people under 18 can consent to confidential STD testing and treatment on their own.
Untreated chlamydia can lead to pelvic inflammatory disease and fertility problems, caught early, it's cured with antibiotics.
Often, yes, especially throat and rectal infections, which is why site-specific testing matters.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.