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STD Testing in Mason City, IA: Free, Same-Day & Confidential

In Cerro Gordo County, reported syphilis cases run about 41% lower than the U.S. average. If you have symptoms or just want reassurance, options in Mason City, Iowa, range from cost-effective public clinics to fast private labs and at-home kits that skip the clinic visit. We list choices for each method below.

Find a lab
  • 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 Mason City, IA

11 testing options are listed for Mason City, IA. The nearest, North Iowa Community Action Organization, is about 0.3 miles away. Compare 8 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.

Closest to you 0.3 miles

North Iowa Community Action Organization

?

Review sources

  • Google66
  • EasySTD5
Rated 4.4 out of 5 from 71 reviews

North Iowa Community Action Organization in Mason City runs every HIV, syphilis, gonorrhea, chlamydia, hepatitis B, hepatitis C, and herpes test at no charge, with sliding-scale fees across all other services and both Medicaid and private insurance accepted; appointments are required for same-visit bacterial STI treatment.

Read full overview

Every Service Carries a Zero Dollar Cost

North Iowa Community Action Organization's Title X status anchors a fee structure where STI testing and HIV testing are free for everyone, not free after a threshold, not free pending eligibility review. PrEP is additionally covered for uninsured patients, meaning ongoing HIV prevention carries no out-of-pocket cost either.

Spanish and Interpretation Keep Care Fluent

Spanish is available directly at North Iowa Community Action Organization, and interpretation services extend to additional languages beyond it, so a patient's ability to describe symptoms, understand a diagnosis, or ask about PrEP dosing is never compressed into approximations.

Title X Confidentiality Covers Minors Directly

As a Title X-funded site, North Iowa Community Action Organization provides legally confidential family planning services to minors: meaning a young person can access contraception, STI testing, or HPV vaccination without that care appearing on a parent's insurance explanation of benefits.

Tests & treats Title X Sliding-scale PrEP
Address
100 1st Street Northwest, Suite 200 Mason City, IA 50401
Booking
Appointment required
Opening hours
  • Monday 7:30 AM – 4:30 PM
  • Tuesday 7:30 AM – 4:30 PM
  • Wednesday 7:30 AM – 4:30 PM
  • Thursday 7:30 AM – 4:30 PM
  • Friday 7:30 AM – 4:30 PM
  • Saturday Closed
  • Sunday Closed
Website
Community health center 0.5 miles

Community Health Center of Fort Dodge

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Review sources

  • Google42
  • EasySTD5
Rated 3.3 out of 5 from 47 reviews

Community Health Center of Fort Dodge in Mason City tests for HIV, syphilis, gonorrhea, chlamydia, herpes, and hepatitis B and C on a sliding-scale fee open to all, with same-visit treatment for bacterial infections; an appointment is required, and care is delivered in Spanish.

Read full overview

Spanish-Language Care Closes the Treatment Gap

When language limits what a patient can explain or understand, the real cost shows up later: in a missed diagnosis, a prescription not filled, or a partner not notified. At Community Health Center of Fort Dodge, STI care is conducted directly in Spanish, so nothing that matters gets lost between the visit and the outcome.

Herpes and Hepatitis Testing Alongside the Standard Panel

For anyone without a regular primary care provider, paying out of pocket or simply without a usual place to ask, Community Health Center of Fort Dodge runs herpes and hepatitis B and C testing alongside the standard bacterial and HIV panel, so a single appointment covers exposures that a shorter panel would leave unaddressed.

Tests & treats Sliding-scale
Address
404 North Federal Avenue, Mason City, IA 50401
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
Most reviewed 0.9 miles

MercyOne

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Review sources

  • Google185
  • EasySTD5
Rated 2.5 out of 5 from 190 reviews

MercyOne Mason City's hospital-grounded clinic brings specialist depth to STI care (standard panel, sliding-scale fees, same-visit treatment for bacterial infections, and appointments required) closing with PrEP and PEP as standing prevention tools, not afterthoughts.

Read full overview

Prevention Prescriptions Are Standard, Not Exceptional

Prevention-focused prescribing gets quietly offloaded at many STI clinics, PrEP handled by primary care, PEP chased down through urgent care. MercyOne Mason City holds both in-house, meaning ongoing HIV prevention and post-exposure medication are managed within the same clinical relationship as testing and treatment.

Hepatitis C Care Runs Through Completion Here

Hepatitis C treatment at MercyOne Mason City means direct-acting antiviral therapy, not a handoff to a gastroenterologist or infectious disease specialist elsewhere. On-site treatment keeps monitoring, dosing adjustments, and sustained virologic response confirmation within one clinical team.

Herpes and Hepatitis Extend the Testing Panel

Beyond the gonorrhea, chlamydia, syphilis, and HIV baseline, MercyOne Mason City's panel includes herpes, hepatitis B, and hepatitis C testing. That breadth matters for hepatitis specifically: because treatment is available on-site, a reactive hepatitis C result doesn't stall at diagnosis. It moves directly toward care.

Tests & treats PrEP
Address
1000 4th Street Southwest, Mason City, IA 50401
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 8:00 AM – 5:00 PM
  • Sunday 8:00 AM – 5:00 PM
Website
2.0 miles

Cerro Gordo County Department of Public Health

No ratings yet

Cerro Gordo County Department of Public Health in Mason City runs appointments-only, so scheduling ahead is the entry point, but a single visit covers HIV (rapid and conventional), syphilis, gonorrhea, chlamydia, herpes, hepatitis B and C, and TB, all at no fee.

Read full overview

Every Test and Treatment Carries Zero Cost

Fee-sliding and partial subsidies are how most public health clinics manage cost, a portion covered, a portion not. Cerro Gordo County Department of Public Health charges nothing at all: every test, every STI treatment, every vaccine, PrEP, and HIV test carries a flat fee of zero, with no exceptions buried in the fine print.

Spanish Speakers and Interpretation Access Built In

Cerro Gordo County Department of Public Health offers Spanish-language services directly, and interpretation for other languages is available for appointments. For anyone whose primary language isn't English (navigating a diagnosis, a prevention regimen, or follow-up care) that standing capability means clinical conversations happen with real precision, not guesswork.

PrEP Prescribed and Monitored On-Site in Mason City

PrEP requires more than a single prescription: it demands baseline HIV and kidney-function testing, regular viral screenings, and prescription renewals on a structured schedule. Cerro Gordo County Department of Public Health staffs that entire cycle in-house, including PEP for post-exposure prevention, all coordinated through the clinic without routing care to outside providers.

Tests & treats PrEP
Address
2570 4th Street Southwest, Suite 1 Mason City, IA 50401
Booking
Appointment required
Opening hours
  • Monday 8:00 AM – 4:30 PM
  • Tuesday 8:00 AM – 4:30 PM
  • Wednesday 8:00 AM – 4:30 PM
  • Thursday 8:00 AM – 4:30 PM
  • Friday 8:00 AM – 4:30 PM
  • Saturday Closed
  • Sunday Closed
Website
Community health center 11.2 miles

Belmond Community Hospital

No ratings yet

A community safety-net rural health clinic about 11 miles from Mason City. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.

Address
705 Elm Street East, Rockwell, IA 50469
Website
Highest rated 20.5 miles

Hancock County Health System

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Review sources

  • Google3
  • EasySTD1
Rated 4.7 out of 5 from 4 reviews

Hancock County Health System in Garner schedules appointments for STI care, so arriving with a time slot means the visit covers gonorrhea, chlamydia, syphilis, and rapid HIV testing, same-visit bacterial treatment, and HPV and hepatitis A and B vaccines: all on a sliding-scale fee accepted alongside Medicaid, Medicare, and private insurance.

Tests & treats Sliding-scale
Address
545 State Street, Suite 1 Garner, IA 50438
Booking
Appointment required
Website
Community health center 21.2 miles

Mitchell County Memorial Hospital

No ratings yet

A public safety-net rural health clinic about 21 miles from Mason City. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.

Address
140 West 4th St Suite 1, Saint Ansgar, IA 50472
Website
Community health center 26.9 miles

Floyd County Memorial Hospital Commission

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Review sources

  • Google47
  • EasySTD4
Rated 3.1 out of 5 from 51 reviews

A community safety-net rural health clinic about 27 miles from Mason City. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.

Address
800 11th Street, Charles City, IA 50616
Website
Premium Partner

OCC Service Mankato

Results in 1–2 days
No ratings yet
Address
1613 N. Riverfront Drive, Mankato, MN 81.6 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.

Premium Partner

Sanford Health Laboratories

Results in 1–2 days
No ratings yet
Address
308 North Eighth Street, Mountain Lake, MN 102.5 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.

Premium Partner

Sanford Health Laboratories

Results in 1–2 days
No ratings yet
Address
209 Main Street, Lakefield, MN 105.5 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.

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

Every other option

More ways to get tested in Mason City, IA

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.

At-home tests Certified labs Doctors Pharmacies Online PrEP & treatment

Test from home

At-home STD testing in Mason City, IA

The nearest testing center is less than a mile away, if you'd rather skip the trip, an at-home kit ships to Mason City, 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 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

    Quest Diagnostics

    Quest Diagnostics

    $79 & up

    Panel:
    8-infection panel incl. chlamydia, gonorrhea, HIV, syphilis, hepatitis & herpes: single tests too
    Sample:
    Quest Mobile: a phlebotomist collects your sample at home
    Results:
    1–3 days, online: physician-reviewed
    • In-home sample collection
    • Nationwide Quest lab network
    • Physician-reviewed results
    • FSA/HSA eligible
    Order online Quest Diagnostics review

  • Best range: couples & full panels

    myLAB Box

    myLAB Box

    $79 & up

    Panel:
    Up to 14 infections, incl. HIV, syphilis, chlamydia, gonorrhea, hepatitis & herpes
    Sample:
    Self-collect: swab, urine, finger-prick
    Results:
    2–5 days, online
    • Free phone consult if positive
    • CLIA-certified labs
    • Couples & subscription options
    • Discreet packaging
    Order online myLAB Box review

  • Best for simplicity & support

    LetsGetChecked

    LetsGetChecked

    $89 & up

    Panel:
    5–6 common STIs incl. chlamydia, gonorrhea, HIV, syphilis & trichomoniasis
    Sample:
    Finger-prick + urine/swab
    Results:
    2–5 days, online
    • 24/7 nurse support
    • Prescription for positives
    • CLIA-certified labs
    • Free shipping both ways
    Order online LetsGetChecked review

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 Mason City, IA

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

  • Mercyone North Iowa Dermatology Care

    1421 4th Street Southwest, Mason City, IA 50401

    CMS-certified lab Accredited · Joint Commission

    • Full STD panel
    Call Directions

  • Mercyone North Iowa Medical Center

    1000 Fourth Street Southwest, Mason City, IA 50401

    CMS-certified lab Accredited · Joint Commission

    • Full STD panel
    Call Directions

  • Mercyone North Iowa Urology

    250 South Crescent Drive Suite #M2200, Mason City, IA 50401

    CMS-certified lab Accredited · Joint Commission

    • Full STD panel
    Call Directions

  • RC Dermatology PLC

    2420 4th Street Southwest, Mason City, IA 50401

    CMS-certified lab

    • STD testing
    Call Directions

  • Mason City VA Clinic

    478 Tiffany Drive, Mason City, IA 50401

    CMS-certified lab

    • STD testing
    Call Directions

Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Mason City. 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 Mason City, IA who may help arrange STD testing

Beyond dedicated clinics, 103 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Mason City. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 20 offer telehealth.

  • David Daniels, MD

    Internal medicine · 600 1st Street Northwest, Mason City

    Directions

  • Sandra Leticia Crosara, MD Telehealth

    Infectious disease · 1000 4th Street Southwest, Mason City

    Call Directions

  • Fnu Dayawa Da Agoons, MD

    Internal medicine · 1000 4th Street Southwest, Mason City

    Call Directions

  • Hersi Moallin, MD

    Internal medicine · 1000 4th Street Southwest, Mason City

    Directions

  • John Swisher

    Family medicine · 1000 4th Street Southwest, Mason City

    Call Directions

  • Madison Lannom

    Internal medicine · 1010 4th Street Southwest, Mason City

    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 Mason City, IA

Compare the pharmacies closest to Mason City, IA. Contact a location directly to confirm pharmacy-counter hours, services, prices, and product availability before visiting.

  • Shopko Pharmacy 052

    0.5 mi
    Rx pickupCondoms / EC
    Directions

  • Hy-Vee Pharmacy

    0.7 mi
    Rx pickupCondoms / EC
    Directions

  • Forest Park Pharmacy

    0.8 mi
    Rx pickupCondoms / EC
    Directions
  • Walgreens 1.2 mi
    Rx pickupOTC HIV self-testAt-home STI kitsPrEP/PEP fillsHPV & Hep B vaccinesCondoms / EC
    Directions

  • Hy-Vee Pharmacy (1413)

    1.5 mi
    Rx pickupCondoms / EC
    Directions

Showing the 5 closest pharmacies to Mason City, IA.

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 Mason City, 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 Cerro Gordo County: the local picture

How reported STI rates in Cerro Gordo County, the county that includes Mason City, compare with Iowa and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~24% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.

#22 of 99 Iowa counties for chlamydia, a higher rate than 78% of the state

Reported STD rates per 100,000, Cerro Gordo County vs Iowa vs U.S.

Cerro Gordo County Iowa U.S. ▲▼ = Cerro Gordo County vs the state average
Infection Cerro Gordo County Iowa United States
Chlamydia
358.4 152 cases ▼ 16%
426.8 492.2
Gonorrhea
61.3 26 cases ▼ 48%
116.8 179.5
Syphilis (P&S)
9.4 4 cases ▼ 9%
10.3 15.8
Syphilis (early)
11.8 5 cases ▲ 28%
9.2 16
Syphilis (late/unknown)
2.4 1 cases ▼ 76%
9.9 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 Cerro Gordo County over time (per 100,000)

Chlamydia ▼ 22% vs 2022
Chlamydia Gonorrhea Syphilis (P&S)
0 250 500 2020202120222023

Between 2020 and 2023 in Cerro Gordo County, chlamydia has fallen from 459.1 to 358.4 per 100,000 (22%), gonorrhea has fallen from 280.6 to 61.3 per 100,000 (78%), and P&S syphilis has risen from 7 to 9.4 per 100,000 (34%).

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 Mason City, IA

Adults uninsured
7.6%
No routine checkup
22.2%
No transportation
7%
Binge drinking
19.4%
Frequent mental distress
16.6%
Depression
21.7%
Below poverty line
10%
Primary-care ratio
700 : 1
Cerro Gordo County

Primary-care shortage score 10 / 26

Social Vulnerability Index · 13th 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 Cerro Gordo County.

Local HIV snapshot

HIV in Cerro Gordo County (2023)

People living with HIV
85 / 100k
New diagnoses (2023)
0cases countywide
PrEP users / 100k
63

Cerro Gordo County HIV care continuum (2023)

Cerro Gordo County recorded 0 new HIV diagnoses per 100,000 (2023), against 5.1 statewide and 13.7 nationally. Among Cerro Gordo County residents living with HIV, 83.9% are in care · 71% 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 Cerro Gordo County tests for syphilis.

Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).

Editorially Reviewed & Fact-Checked · Updated

Reviewed by EasySTD Editorial Team

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 →

19 Sources

Local resources & officials

Data & references

Local context

About Mason City, IA

Manufacturing and construction work anchor Mason City's economy, and the steadiness of that employment (the kind where people stay put, build lives, and plan ahead) makes routine STI screening a practical step rather than an afterthought. Young adults in their late teens through thirties, whether new to the workforce or established in it, benefit from knowing their status without disruption to work schedules or tight budgets. Testing in and around Mason City listed on this page fits the rhythm of a community where people value straightforward, affordable care. The modest cost of living here means screening doesn't demand the financial calculus it might elsewhere. Clinics serving Mason City recognize that confidentiality isn't negotiable, results don't travel through workplace gossip or family networks simply because someone got tested.

Walk-in appointments, rapid turnarounds, and staff trained to treat screening as routine business keep the process low-pressure. A population this young carries real questions about sexual health that deserve real answers. Whether someone is navigating a new relationship, managing multiple partners, or simply being responsible after a gap in testing, the services available locally honor both privacy and practicality. Testing here isn't framed as crisis response; it's part of how people in Mason City take care of themselves.

Getting there

How residents reach STD testing in Mason City, IA

Walkability 12.15 / 20 · Above average

Mason City scores 12.15/20 on the EPA walkability index, so many trips are walkable or a short ride, though a car still gives you the widest choice of testing centers.

Source: EPA National Walkability Index 2021.

Map of 11 STD & STI testing locations in Mason City, Iowa, EasySTD

ZIP 50401 snapshot

Residents
28,818
Median age
42.5
Median income
$63,807

ZIP-level Census figures for the wider 50401 area around Mason City: a single ZIP can span several communities, so they describe the area, not Mason City alone.

Mason City sits in Cerro Gordo County, ZIP 50401. Local context that shapes where residents test:

Local landmarks

  • Dr. G.C. Stockman House
  • East Park Band Shell
  • Ray Rorick Park
  • Interstate Park West
  • Interstate Park East
  • The Music Man Square

Major routes

  • US 65 (South Delaware Avenue)
  • IA 122 (5th Street Southeast)
  • 5th Street Southwest

Reference

STD testing in Mason City, IA: screening, costs & privacy

Everything to know before you test in Cerro Gordo County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Iowa 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.

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

When to test: STD detection windows

Testing too early can return a false negative, confirm timing with a Mason City-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
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 Mason City 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.

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

Two things that actually depend on Iowa 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 Iowa, a minor of any age can consent to confidential STI testing and treatment on their own; a parent may be notified only in the case of a positive HIV test result.

Can my partner be treated too? (EPT)

Iowa 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 Iowa

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 Mason City, IA

Answers to the questions people ask most before getting tested.

Is walk-in STD testing available near Mason City, IA?

Yes, several local labs offer same-day walk-in testing; best to call first.

How much does STD testing cost near Mason City, IA?

Free at public clinics. Private labs run about $24 for one test and $139 for a full panel; at-home kits are $49+.

Is there free HIV testing near Mason City, IA?

Yes, free HIV testing is available at public clinics in the area.

What's included in a full panel near Mason City, IA?

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

How common is chlamydia in Cerro Gordo County?

Cerro Gordo County reported ~358 chlamydia cases per 100,000 in 2023, below the Iowa average.

How long do results take near Mason City, IA?

Most results are ready in about 1–2 days.

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

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

Can I get PrEP near Mason City, IA?

Yes, PrEP, a daily pill that helps prevent HIV in HIV-negative people, is available in the area.

Can syphilis symptoms go away on their own?

Yes, a syphilis sore can heal while the infection stays and silently progresses, so a blood test is the only way to be sure.

Can STDs be treated near Mason City, IA?

Many STIs are fully cured with antibiotics; others, like HIV and herpes, are well managed with treatment.

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