New HIV diagnoses in Nueces County run about 15% higher than the US average. Whether you need testing after a possible exposure or as part of routine care in Petronila, Texas, consider your options: public clinics for low cost, private labs for faster results, or at-home kits for convenience.
Available testing centers
7 testing options are listed for Petronila, TX. The nearest, Amistad Health, is about 8.2 miles away. Compare 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.
Amistad Health in Robstown operates on a sliding scale with Medicaid and Medicare accepted, so cost adjusts to what you can contribute. Walk-in appointments cover gonorrhea, chlamydia, syphilis, and HIV testing, with same-visit treatment for bacterial infections, and care delivered in Spanish.
Many clinics manage Spanish-language needs through workarounds that put distance between provider and patient. At Amistad Health, Spanish is the operational language of care itself: conversations, explanations, and clinical decision-making happen directly, without any intermediary layer.
Amistad Health prescribes both PrEP and PEP directly, meaning prevention medication is a standing clinical service rather than something coordinated elsewhere. For anyone weighing long-term HIV risk reduction, that means the prescription conversation happens at the same visit as your panel.
Languages
English, Spanish
Tests offered
Care services
Prevention services
Fees & payment
Listing verified Jul 2025 · Source: CDC NPIN + HRSA
South Texas Family Planning and Health in Robstown tests for gonorrhea, chlamydia, syphilis, and rapid or conventional HIV, treating bacterial infections the same visit on a sliding-scale fee structure that accepts Medicaid and insurance; an appointment is required.
Clinics that serve multilingual communities often stop at posting a number for outside interpretation. At South Texas Family Planning and Health, Spanish is spoken on staff, and interpretation services extend to other non-English languages. Meaning the conversation about your health happens in full, not filtered.
The standard four-infection panel leaves out infections that carry real clinical weight. South Texas Family Planning and Health tests for herpes alongside hepatitis A, B, and C. A panel that surfaces conditions many clinics simply don't screen for in the same visit.
Languages
English, Interpretation Services Available for Non-English Languages, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Apr 2026 · Source: CDC NPIN
Coastal Bend Wellness Foundation in Corpus Christi runs every service at no fee, with sliding-scale pricing for any costs that arise and both Medicaid and private insurance accepted. HIV, hepatitis C, syphilis, gonorrhea, and chlamydia testing are free; walk-ins are welcome, and bacterial infections are treated the same visit.
Coastal Bend Wellness Foundation's standing policy is zero cost across the board: testing, treatment, PrEP, PEP, and ongoing HIV management included. For someone paying out of pocket or without an established care relationship, that means a full clinical visit, prescriptions, and follow-up without a single bill changing the decision.
Coastal Bend Wellness Foundation staffs care in American Sign Language and Spanish, with additional interpretation services available for other languages. For Deaf patients or those whose primary language isn't English, clinical conversations (history, results, medication instructions) happen directly, not through a workaround.
Ryan White funding at Coastal Bend Wellness Foundation covers the clinical infrastructure for HIV from the first rapid or conventional test through antiretroviral prescribing, viral load monitoring, and long-term adherence counseling. A patient isn't handed off between programs, the same funding stream sustains each stage of treatment under one care team.
Languages
American Sign Language, English, Interpretation Services Available for Non-English Languages, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Apr 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 8 miles away; if you'd rather skip the trip, an at-home kit ships to Petronila, 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 for simplicity & support
$89 & up
Best range: couples & full panels
$79 & 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 Nueces 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.
3825 South Padre Island Drive, Corpus Christi, TX 78415
CMS-certified lab Accredited · COLA
3315 South Alameda Street, Corpus Christi, TX 78411
CMS-certified lab Accredited · College of American Pathologists
5950 Saratoga, Corpus Christi, TX 78414
CMS-certified lab Accredited · College of American Pathologists
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Petronila. 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, 300 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Petronila. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 55 offer telehealth.
Mario Martinez, MD
Internal medicine · 3829 Saratoga Boulevard, Corpus Christi
Patricia Cantu, MD
Family medicine · 1290 Fm, Corpus Christi
Sridevi Konkimalla, MD
Internal medicine · 902 Lincoln Avenue, Robstown
Marco Elizondo, MD
Internal medicine · 1038 Texas Yes Boulevard, Robstown
Amanda Caro, DO
Family medicine · 2822 Robby Street, Corpus Christi
Guillermo Ramirez, MD
Family medicine · 1620 South Padre Island Drive, Corpus Christi
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 Petronila, 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.
Modern Pharmacy
8.5 mi
9.1 mi 
12 mi 
12 mi 
12 mi Medical Plaza Pharmacy
13 miShowing the 6 closest pharmacies to Petronila, 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 Petronila, 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.
Visit from $39
Online STI treatment & DoxyPEP: same-day prescriptions to your pharmacy
$0 with most insurance
Free online PrEP & DoxyPEP: HIV prevention, home lab kits, no in-person visit
From $0 insured
Telehealth PrEP & DoxyPEP with at-home testing and ongoing monitoring
Visit from $0 insured
Telehealth STI treatment and sexual-health care, delivered or 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 Nueces County, the county that includes Petronila, compare with Texas and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~15% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#11 of 254 Texas counties for chlamydia, a higher rate than 96% of the state
| Infection | Nueces County | Texas | United States |
|---|---|---|---|
| Chlamydia | 675.6 2,380 cases ▲ 37% | 491.9 | 492.2 |
| Gonorrhea | 263.4 928 cases ▲ 49% | 176.4 | 179.5 |
| Syphilis (P&S) | 23.6 83 cases ▲ 57% | 15 | 15.8 |
| Syphilis (early) | 16.7 59 cases ▼ 37% | 26.4 | 16 |
| Syphilis (late/unknown) | 78.6 277 cases ▲ 77% | 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 Nueces County, chlamydia has fallen from 767.6 to 675.6 per 100,000 (12%), gonorrhea has fallen from 291.1 to 263.4 per 100,000 (10%), and P&S syphilis has fallen from 28.3 to 23.6 per 100,000 (17%).
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 Nueces County.
Local HIV snapshot
Nueces County HIV care continuum (2023)
Nueces County recorded 15.7 new HIV diagnoses per 100,000 (2023), against 20.2 statewide and 13.7 nationally. Among Nueces County residents living with HIV, 84.4% are in care · 75.6% 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.
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 Nueces County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
Commercial fishing brings many people to Petronila, and the work (the early mornings, the time away, the crew rotations) shapes how residents think about health decisions. Screening for STIs works best when it fits into life as it actually happens, not as a schedule suggests it should. Testing in and around Petronila is available through clinics and providers listed on this page, and many are set up to make appointments straightforward, without requiring weeks of planning ahead. Young adults in their late teens through their thirties make up a significant part of the community, and for this age group routine confidential screening is a normal part of staying healthy.
Results remain private; a clinic visit for testing does not automatically trigger a call to anyone else or create a record that spreads through town. The choice to get tested, when, and what happens next stays in your hands. Whether you are new to the area, between jobs, or simply want a baseline, testing sites in and around Petronila welcome walk-ins and scheduled appointments alike. The clinics and providers listed on this page can answer specific questions about what each visit includes, cost, and what comes after a positive result.
Getting there
At 5.56/20 on the EPA walkability index, day-to-day errands in Petronila 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 78380 snapshot
ZIP-level Census figures for the wider 78380 area around Petronila: a single ZIP can span several communities, so they describe the area, not Petronila alone.
Nearby cities & towns
Just outside Petronila? 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 Nueces 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 Petronila-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 Petronila 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.
7 testing options are within 30 miles of Petronila, TX.
Public clinics are free; private labs ~$24–$139, at-home kits $49+.
Yes, community and public clinics test the uninsured, with sliding-scale fees.
Local options test for Chlamydia, Gonorrhea, Syphilis, Herpes, Hepatitis A, Hepatitis B, Hepatitis C, Rapid HIV, a full panel covers the common ones.
About 676 cases per 100,000 residents (2023), above the Texas average.
In Texas, people under 18 can consent to confidential STD testing and treatment on their own.
PrEP (HIV-prevention medicine for HIV-negative people) is available locally, any provider can prescribe it.
Yes, at-home kits ship to 78380; you collect a sample, mail it back, and get results in about 2–5 days.
Medical records are protected under federal HIPAA law, ask the clinic how it handles your information.
It means an infection was found; a provider confirms it and starts treatment, most STIs are curable or manageable.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.