Chlamydia in Starr County is reported about 49% lower than the US average. If you're looking for STI testing in San Isidro, Texas for a one-time concern or regular check-ups, weigh whether you prefer the cost-savings of community or public clinics or the faster results and scheduling of private labs. We list your options below.
Available testing centers
4 testing options are listed for San Isidro, TX. The nearest, Clinical Pathology Labs, is about 34.8 miles away. Compare private labs and at-home kits below.
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 35 miles away; if you'd rather skip the trip, an at-home kit ships to San Isidro, 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 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 Starr 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.
1673 East Benito Street, Rio Grande City, TX 78582
CMS-certified lab Accredited · COLA
2891 East Grant Street, Roma, TX 78584
CMS-certified lab Accredited · Joint Commission
4857 West Highway 83, Roma, TX 78584
CMS-certified lab Accredited · COLA
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near San Isidro. 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, 3 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of San Isidro. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 2 offer telehealth.
Ramiro Tovar
Family medicine · 4200 Tres Lagos Boulevard, Mcallen
Dona Cooper-Dockery, MD Telehealth
Internal medicine · 1154 West Monte Cristo Road, Edinburg
Pablo Olmedo, MD Telehealth
Family medicine · 4213 West Mile 5 Road, Mission
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 San Isidro, TX 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.
Queen Pharmacy
28 miWell-Care Pharmacy & Dme
29 miSt Marie Clinic Pa Pharmacy
29 miHealth Plus Pharmacy
30 miApple Pharmacy
31 miSanta Maria Pharmacy
31 miShowing the 6 closest pharmacies to San Isidro, TX.
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 San Isidro, 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
$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
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 Starr County, the county that includes San Isidro, compare with Texas and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~29% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#165 of 254 Texas counties for chlamydia, a higher rate than 35% of the state
| Infection | Starr County | Texas | United States |
|---|---|---|---|
| Chlamydia | 248.7 164 cases ▼ 49% | 491.9 | 492.2 |
| Gonorrhea | 31.9 21 cases ▼ 82% | 176.4 | 179.5 |
| Syphilis (P&S) | 10.6 7 cases ▼ 29% | 15 | 15.8 |
| Syphilis (early) | 10.6 7 cases ▼ 60% | 26.4 | 16 |
| Syphilis (late/unknown) | 19.7 13 cases ▼ 56% | 44.3 | 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 Starr County, chlamydia has risen from 210.9 to 248.7 per 100,000 (18%), gonorrhea has fallen from 37.9 to 31.9 per 100,000 (16%), and P&S syphilis has risen from 1.5 to 10.6 per 100,000 (607%).
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 Starr County.
Local HIV snapshot
Starr County HIV care continuum (2023)
Among Starr County residents living with HIV, 69% are in care · 61.9% 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 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 Starr County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
Getting tested for STIs in San Isidro means planning ahead. The town itself has limited on-site resources, and the nearest comprehensive clinics lie beyond the immediate area. That distance matters when you need results fast or prefer to keep a visit private, traveling farther can feel like a larger commitment than it should be. Still, testing in and around San Isidro is accessible through the providers listed on this page, many of which serve the broader region and understand the logistics residents navigate.
Young adults in San Isidro often weigh confidentiality against convenience in ways older generations may not. Whether you're establishing care at a new job, managing a relationship, or simply staying on top of routine health, knowing you can reach a clinic without broadcasting your business to the whole community shifts the calculus. That privacy isn't guaranteed by geography alone, it depends on which provider you choose and how much discretion matters to your particular situation. The testing sites and clinics available in and around San Isidro range in how they handle intake, scheduling, and result delivery.
Some offer same-day or rapid turnaround; others require follow-up calls. Reading through the listings here (clinic hours, whether they accept walk-ins, what documentation they need) will show you which place fits your timeline and comfort level. One conversation with the clinic itself often clears up what's realistic for your circumstances.
Getting there
At 3.33/20 on the EPA walkability index, day-to-day errands in San Isidro 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 78536 snapshot
ZIP-level Census figures for the wider 78536 area around San Isidro: a single ZIP can span several communities, so they describe the area, not San Isidro alone.
Nearby cities & towns
Just outside San Isidro? 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 Starr County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Texas 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 San Isidro-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 San Isidro 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 Texas 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 Texas, a minor of any age can consent to confidential STI testing and treatment on their own, no parental permission is required.
Texas 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 TexasSource: 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.
Private labs run about $24 for one test and $139 for a full panel; at-home kits are $49+.
A full panel typically covers chlamydia, gonorrhea, syphilis, HIV, and hepatitis B and C.
Starr County reported ~249 chlamydia cases per 100,000 in 2023, below the Texas average.
In Texas, people under 18 can consent to confidential STD testing and treatment on their own.
At-home kits mail to 78536: self-collect, send to the lab, results in ~2–5 days.
Teen and campus health clinics and public health departments offer youth-friendly, low-cost testing.
No, most STIs have no visible signs, so the only way to know is to test.
Public and community clinics test everyone; several provide LGBTQ-affirming services.
PrEP is taken before exposure to prevent HIV; PEP is emergency medicine started within 72 hours after a possible exposure.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.