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STD Testing in Big Horn, WY: Free, Same-Day & Confidential

In Sheridan County, reported cases of chlamydia run about 42% lower than the US average, but if you live in Big Horn, Wyoming and you have symptoms or just want peace of mind, you have options. Public clinics keep costs down, private labs prioritize speed, and at-home kits trade a clinic visit for convenience. See your choices below.

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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 Big Horn, WY

6 testing options are listed for Big Horn, WY. The nearest, Sheridan County Community Health Services, is about 8.2 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.

Most reviewed 8.2 miles

Sheridan County Community Health Services

Where these reviews come from

Review sources

  • Google9
  • EasySTD1
Rated 3.4 out of 5 from 10 reviews

A public STD-testing site about 8 miles from Big Horn.

Tests & treats Sliding-scale
Address
297 South Main Street, Sheridan, WY 82801
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
Community health center 8.2 miles

One Health - Whitney Building

No ratings yet

One Health - Whitney Building, in Sheridan, earned federal qualification that requires a sliding-scale fee structure tied directly to income. Meaning cost adjusts to what you actually earn. Walk-in STI screening covers syphilis, gonorrhea, and chlamydia without an appointment needed.

Sliding-scale
Address
31 East Whitney Street, Sheridan, WY 82801
Website
Highest rated 8.3 miles

Reproductive Healthcare of the Big Horns

Where these reviews come from

Review sources

  • Google4
  • EasySTD1
Rated 5 out of 5 from 5 reviews

Reproductive Healthcare of the Big Horns in Sheridan charges on a sliding scale for everyone, covering gonorrhea, chlamydia, syphilis, and rapid HIV testing alongside STI treatment, HPV vaccination, and counseling. An appointment is required.

Read full overview Show less

Title X Covers Confidential Care for Minors

Federal Title X designation legally guarantees confidential family planning services for minors at Reproductive Healthcare of the Big Horns: meaning a young person's STI testing, treatment, and contraceptive care cannot be disclosed without their consent, a protection grounded in federal program law rather than clinic policy.

Tests & treats Title X Sliding-scale
Address
128 South Thurmond Street, Sheridan, WY 82801
Booking
Appointment required
Opening hours
  • Monday 11:00 AM – 5:00 PM
  • Tuesday 11:00 AM – 5:00 PM
  • Wednesday Closed
  • Thursday 11:00 AM – 5:00 PM
  • Friday Closed
  • Saturday Closed
  • Sunday Closed
Website
Premium Partner

Labcorp

Results in 1–2 days
No ratings yet
Address
2900 12th Avenue North, Billings, MT 106.8 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
940 East 3rd Street, Casper, WY 131.1 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

Broad Reach Health Wellness

Results in 1–2 days
No ratings yet
Address
1988 East 1st Street, Casper, WY 131.1 miles away
  • 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.

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Wait time
Staff & comfort
Value for cost

Every other option

More ways to get tested in Big Horn, WY

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 Big Horn, WY

The nearest testing center is about 8 miles away; if you'd rather skip the trip, an at-home kit ships to Big Horn, 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 Big Horn, WY

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

  • Memorial Hospital of Sheridan County

    1401 West 5th Street, Sheridan, WY 82801

    CMS-certified lab Accredited · Joint Commission

    • Full STD panel
    Call Directions

  • Sheridan Pathology Associates

    1401 West Fifth Street, Sheridan, WY 82801

    CMS-certified lab Accredited · College of American Pathologists

    • Full STD panel
    Call Directions

  • Sheridan VAMC

    1898 Fort Rd Building 71 North Room 212, Sheridan, WY 82801

    CMS-certified lab Accredited · College of American Pathologists

    • Full STD panel
    Call Directions

  • Sugarland Walk IN Clinic

    1005 Sugarland Drive, Sheridan, WY 82801

    CMS-certified lab

    • STD testing
    Call Directions

  • Sheridan MEM Hospital Same Day Health & Imaging

    1470 Sugarland Drive, Suite 1, Sheridan, WY 82801

    CMS-certified lab

    • STD testing
    Call Directions

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

Clinicians near Big Horn, WY who may help arrange STD testing

Beyond dedicated clinics, 40 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Big Horn. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 9 offer telehealth.

  • Ryan Ruger, MD Telehealth

    Internal medicine · 800 Coffeen Avenue, Sheridan

    Call Directions

  • Harmanjot Gill, MD

    Internal medicine · 350 South Oak Avenue, Sheridan

    Call Directions

  • Melissa Asuncion, MD Telehealth

    Family medicine · 41 East Burkitt Street, Sheridan

    Call Directions

  • Erin Henderson, MD

    Internal medicine · 61 South Gould Street, Sheridan

    Call Directions

  • James Leary, MD

    Family medicine · 1401 West 5th Street, Sheridan

    Call Directions

  • Derek Gilbert, MD

    Family medicine · 1333 West 5th Street, Sheridan

    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 Big Horn, WY

No pharmacy near Big Horn, WY 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 2 closest pharmacies to Big Horn, WY.

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 Big Horn, 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 Sheridan County: the local picture

How reported STI rates in Sheridan County, the county that includes Big Horn, compare with Wyoming and U.S. averages, based on the most recent 2023 surveillance data.

#10 of 23 Wyoming counties for chlamydia, a higher rate than 57% of the state

Reported STD rates per 100,000, Sheridan County vs Wyoming vs U.S.

Sheridan County Wyoming U.S. ▲▼ = Sheridan County vs the state average
Infection Sheridan County Wyoming United States
Chlamydia
286 93 cases ▼ 9%
313.2 492.2
Gonorrhea
21.5 7 cases ▼ 49%
42.3 179.5
Syphilis (P&S) — no data 2.2 15.8
Syphilis (early) — no data 1.9 16
Syphilis (late/unknown) — no data 5.1 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 Sheridan County over time (per 100,000)

Chlamydia ▲ 29% vs 2022
Chlamydia Gonorrhea Syphilis (P&S)
0 175 350 2020202120222023

Between 2020 and 2023 in Sheridan County, chlamydia has fallen from 304 to 286 per 100,000 (6%), gonorrhea has risen from 16.2 to 21.5 per 100,000 (33%), and P&S syphilis has risen from 3.2 to 6.2 per 100,000 (94%).

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 Big Horn, WY

Adults uninsured
9.9%
No routine checkup
28.5%
No transportation
8.9%
Binge drinking
15.3%
Frequent mental distress
15.3%
Depression
23.6%
Below poverty line
10.9%
Primary-care ratio
1,507 : 1
Sheridan County
  • Primary-care shortage score 14 / 26
  • Medically Underserved Area · IMU 57.5
  • Social Vulnerability Index · 22nd 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 Sheridan County.

Local HIV snapshot

HIV in Sheridan County (2023)

People living with HIV
68 / 100k
PrEP users / 100k
29

Sheridan County HIV care continuum (2022)

Sheridan County recorded 0 new HIV diagnoses per 100,000 (2022), against 4.2 statewide and 13.7 nationally. Among Sheridan County residents living with HIV, 100% are in care · 94.1% 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.

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 Sheridan 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)

17 Sources

Local resources & officials

Data & references

Local context

About Big Horn, WY

Renters on the roads near Curlew Hill tend to share households with partners or housemates: the average home here holds nearly three people, and well under half of adults are married, which means plenty of younger adults are navigating relationships and new living arrangements where regular screening fits naturally into how life actually runs. With a labor-force participation rate that leaves a meaningful share of residents outside the traditional nine-to-five grind, schedules here aren't uniform: some people have flexibility, others are stretched across multiple obligations, and the window for a routine health appointment can close quickly. That housing split, a substantial renter share alongside a majority of homeowners, reflects a community with real economic range.

Nearly one in five households clears six figures, but others are managing tighter budgets, and the cost of a clinic visit without coverage can quietly reshape which health tasks get prioritized. Getting screened means committing to a drive, which matters for people in their late teens and twenties who may not own reliable transportation. Knowing that ahead of time (which clinic is closest, what it charges, when it opens) turns that drive from an obstacle into a planned errand.

Getting there

How residents reach STD testing in Big Horn, WY

Walkability 8.93 / 20 · Below average

At 8.93/20 on the EPA walkability index, day-to-day errands in Big Horn 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 Big Horn, Wyoming, EasySTD

ZIP 82801 snapshot

Residents
25,727
Median age
42.5
Median income
$70,315

ZIP-level Census figures for the wider 82801 area around Big Horn: a single ZIP can span several communities, so they describe the area, not Big Horn alone.

Big Horn sits in Sheridan County, ZIP 82801. Local context that shapes where residents test:

Local landmarks

  • Odd Fellows Hall
  • The Brinton Museum
  • Curlew Hill
  • Bozeman Trail Museum

Reference

STD testing in Big Horn, WY: screening, costs & privacy

Everything to know before you test in Sheridan County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Wyoming 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 Big Horn-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 Big Horn 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 Wyoming

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

Two things that actually depend on Wyoming 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 Wyoming, 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)

Wyoming 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 Wyoming

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 Big Horn, WY

Answers to the questions people ask most before getting tested.

How many testing options are within 30 miles of Big Horn, WY?

3 testing options are within 30 miles of Big Horn, WY.

What does STD testing cost around Big Horn, WY?

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

Where's free HIV testing around Big Horn, WY?

Public clinics nearby offer free HIV testing.

Which tests are offered near Big Horn, WY?

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 Sheridan County?

About 286 cases per 100,000 residents (2023), below the Wyoming average.

Can I test at home near Big Horn, WY?

Yes, at-home kits ship to 82801; you collect a sample, mail it back, and get results in about 2–5 days.

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

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

I tested negative, am I fully in the clear?

Likely yes, if you were past the window period; otherwise retest, and keep up routine screening with new partners.

How is gonorrhea tested near Big Horn, WY?

A urine sample or a swab (genital, throat, or rectal) detects gonorrhea, often tested alongside chlamydia.

I tested positive, what are the next steps?

Start treatment, tell recent partners so they can test, avoid sex until cleared, and retest if advised, most STIs resolve with care.

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