Sexual health

What STI Testing Costs in Denver, CO

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STI testing prices in Denver are set by the setting, not the test, and Colorado's own choices — expanding Medicaid and running a state Marketplace called Connect for Health Colorado — widen the low-cost options. Here is how to read the range, use the coverage Colorado offers, and confirm a cash price before you book.

Last updated: July 2026

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What STI testing costs in Denver, from free to a few hundred dollars

In Denver, the price of an STI test depends mostly on the kind of place you visit, because each one bills differently. Public health can be free, a commercial lab charges a modest cash price per infection, urgent care and hospital labs add visit and facility fees, and a mail-in kit falls between them.

SettingWhat you'll usually payWhy
Public-health or community program$0 to a small sliding-scale feePublic funding, income-based
Commercial lab, paying cashModest per infectionDepends on tests and sites
Mail-in kitRoughly $60–$300Panel size and brand
Urgent careVisit fee plus the labSame-day convenience
Hospital outpatientHighestA facility fee is added

The nonprofit FAIR Health runs a free tool that shows local ranges of billed and in-network-allowed charges when you enter a Denver ZIP, so a quote can be judged against the local market rather than a national figure 1. Where you test drives the price more than what you test for.

Health First Colorado and the state's Medicaid expansion

Colorado expanded Medicaid, and its program — known in the state as Health First Colorado — covers recommended STI and HIV screening as preventive care, which generally means no cost at an in-network visit. Because the expansion reaches adults by income rather than only parents, more Denver residents can qualify than could before 2014, which is a major reason testing here is often free.

This is a genuinely local fact. A neighboring non-expansion state such as Wyoming or Kansas leaves low-income adults without children without that option, so the cheapest route there is a public program or cash, not Medicaid. Checking Colorado eligibility first can turn a several-hundred-dollar panel into a zero-dollar one.

Connect for Health Colorado: buying coverage through the state Marketplace

Colorado does not use the federal HealthCare.gov site; it runs its own insurance Marketplace, Connect for Health Colorado. The federal premium tax credit still applies through it, lowering a plan's monthly premium based on household size and income, and it can be paid in advance to the insurer 2. A Marketplace plan then treats recommended STI and HIV screening as covered preventive care.

That state-run exchange is a real difference from Texas or Ohio, which use the federal platform. For a Denver resident who earns too much for Medicaid, a subsidized plan bought through the state Marketplace can make repeat testing across a year cheaper than paying cash each time.

Free and low-cost testing through public health in the Denver metro

Public health is the route that asks nothing about your insurance. Health departments and community clinics across the Denver metro and the Front Range commonly offer STI and HIV testing at no charge or on a sliding scale, supported by federal and state public-health funding, with eligibility based on income or risk.

Locating the program for your ZIP means checking a county or city public-health website or a community-referral line, which lists sites, hours, and the infections each covers. Grant-funded hours and offerings shift over time, so a quick call confirms both that a site is testing that day and what it will charge you.

What a standard panel screens for, and why it changes the price

A 'full panel' is several tests bundled together, and each infection added raises the total. A typical screen includes chlamydia — a common, often symptomless bacterial infection that can lead to pelvic inflammatory disease and infertility if it is not treated 3 — plus gonorrhea, HIV, and syphilis, and sometimes trichomoniasis. The kind of sample, whether urine, blood, or a swab, also affects the price.

Adding body sites raises cost as well, since a throat or rectal swab is a separate specimen. Many common STIs are curable, and a routine screen is an ordinary part of health care. A panel sized to your real exposures often costs less than a maximal one while still covering what matters.

Checking a Denver cash price you can actually compare

Cash prices for one lab test vary across Denver because labs, facility fees, and negotiated rates differ by provider. Two public tools make that checkable. Every U.S. hospital must post its prices online — a machine-readable file of all standard charges and a plain-language display of shoppable services — including the discounted cash price for someone paying without insurance 4.

For labs outside a hospital, FAIR Health's consumer tool shows local STI testing price ranges by percentile once a ZIP is entered, so a Denver quote can be placed against what is typical here 1. Comparing a couple of settings before booking is usually where the savings live.

Insured, but still charged: what decides your share

Having insurance does not automatically mean a free test; a few details decide your share. When screening is ordered as routine and run at an in-network lab, most plans cover it as preventive care with nothing owed. If the same test is ordered to explain a symptom, it can be billed as diagnostic and run against your deductible instead.

The lab's network status is the other lever. An out-of-network lab can charge several times what an in-network one does for an identical result, and a hospital-owned draw site may add a facility fee on top. Confirming that the lab is in-network, and that the order reads as screening, is worth a short call before the appointment.

Colorado minors, confidentiality, and what lands on a record

Colorado allows a minor to consent to STI testing and treatment on their own, but the details of minors' access are set state by state — some attach a minimum age, some permit a clinician to notify a parent. The Guttmacher Institute's state-policy table lists Colorado's current provision, which is the dependable place to confirm it 5.

What testing puts on a record is narrower than many expect. A positive HIV result is reported to the health department, but identifying details are stripped before the data reaches the CDC, and negative results are not entered on any public registry 6. Because using a parent's or spouse's insurance can still generate an explanation of benefits, a public program or cash-pay visit is how some people keep a screen private.

Common questions

Often, yes. Public-health and community programs across the Denver metro test for free or on a sliding scale, and with Health First Colorado Medicaid or a plan that covers preventive screening, an in-network visit can cost nothing. If you are paying cash, prices vary by setting, so comparing a lab, a mail-in kit, and a clinic is worth a few minutes.

Colorado expanded Medicaid, and Health First Colorado covers recommended STI and HIV screening as preventive care, generally at no cost at an in-network visit. Eligibility is based mainly on income. Because the expansion reaches adults without children, more Denver residents qualify than in states that did not expand, which is a large part of why testing here is frequently free.

It is Colorado's own health-insurance Marketplace, used instead of the federal HealthCare.gov site. Plans bought there cover recommended STI and HIV screening as preventive care, and the federal premium tax credit lowers the monthly premium based on income and household size. For someone earning too much for Medicaid, a subsidized plan can be cheaper than repeat cash testing.

Paying cash, a multi-infection panel usually runs from under a hundred dollars to a few hundred, climbing with the number of infections and body sites. Hospital labs are the priciest because of facility fees, while commercial labs and mail-in kits tend to be lower. A public-health program can bring the cost to zero.

Colorado lets minors consent to their own STI testing and treatment; the exact rule is worth confirming in the Guttmacher state table. Consent is not the same as privacy, because billing a parent's plan can produce an explanation of benefits. Paying cash or using a public program keeps the visit off that statement.

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When testing can wait, and when care cannot

  • —Pelvic or lower-abdominal pain together with fever, a possible sign of pelvic inflammatory disease
  • —Abrupt, severe pain and swelling in one testicle
  • —A new genital ulcer, or a rash breaking out on the palms and soles
  • —High fever with burning urination, or trouble urinating

Sudden severe testicular pain, or pelvic pain with a high fever, should not wait — an emergency room can assess it the same day, and 911 is right when the pain is severe or you feel very unwell.

This article offers general education about testing costs and options. It is not medical advice, a diagnosis, or a directory of clinics, and both prices and public programs change. For your own circumstances, rely on a licensed clinician or your local health department.

References

  1. 1.FAIR Health (2024). FAIR Health Consumer Cost Lookup. FAIR Health (independent nonprofit). link ✓That FAIR Health, an independent nonprofit, offers a free consumer tool that shows local ranges of billed and in-network-allowed charges for a test by geographic area, not a specific dollar estimate.
  2. 2.Centers for Medicare & Medicaid Services / HealthCare.gov (2024). How to Save Money on Monthly Health Insurance Premiums. HealthCare.gov (CMS). link ✓That the ACA premium tax credit lowers Marketplace insurance premiums based on household size and income and can be paid in advance to the insurer.
  3. 3.Centers for Disease Control and Prevention (2024). About Chlamydia. CDC (cdc.gov/chlamydia). linkThat chlamydia is a common, often symptomless bacterial STI that can cause pelvic inflammatory disease and infertility if untreated.
  4. 4.Centers for Medicare & Medicaid Services (2024). Hospital Price Transparency. CMS.gov (Key Initiatives). link ✓That U.S. hospitals must post their standard charges online, including a discounted cash price for people paying without insurance.
  5. 5.Guttmacher Institute (2024). Minors' Access to STI Services. Guttmacher Institute, State Policy. link ✓That all states let minors consent to STI testing and treatment, with per-state specifics — any minimum age and permitted parental notification — listed in Guttmacher's state-policy table.
  6. 6.HIV.gov (U.S. Department of Health and Human Services) (2024). Limits on Confidentiality. HIV.gov. link ✓That confidential HIV testing attaches your name and that positive results are reported to the health department with identifiers removed before reaching the CDC.

6 sources, numbered by first appearance. General health information, not medical advice. AI-assisted editorial content — citations link their sources. Editorial policy

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