What's this test for?

This test is ideal if you're experiencing symptoms like itching, redness, unusual discharge, or skin and nail changes that could be caused by a yeast infection. It helps identify whether a yeast organism is present at the site of concern, such as skin, nails, mouth, or genital area. Knowing whether yeast is the cause helps guide the right next steps for treatment.

What's included in this test?

This test uses a direct fluorescent KOH prep along with a culture to detect and identify yeast organisms from a sample taken at the affected site. The KOH prep quickly reveals fungal elements under a microscope, while the culture confirms the specific yeast type present, which matters because different species can behave differently and respond differently to treatment.

What happens after I get my results?

Your results will show up in your account, along with an explanation of what a positive or negative finding means. If yeast is detected, next steps usually involve starting an antifungal approach and keeping the area clean and dry, while a negative result means another cause for your symptoms should be considered. You can download a standard lab report from your account at any time, and if you retest in the future, the trends feature lets you track how things change over time. If your symptoms are severe or getting worse, seek medical care right away.

How can I naturally support skin and yeast balance?

Keeping the affected area clean and dry is one of the simplest ways to discourage yeast overgrowth, since yeast thrives in warm, moist environments. Wearing breathable fabrics, changing out of damp clothing quickly, and avoiding excess sugar in your diet can also help keep yeast levels in check. Probiotic foods like yogurt with live cultures may support a healthy balance of microorganisms on your skin and in your gut.

When will I get my results?

Results are typically ready within about 7 days, since yeast cultures need time to grow and be identified in the lab. You'll be notified as soon as your report is available in your account. This turnaround time is standard for culture-based tests because the organism needs adequate time to develop for accurate identification.

Who should consider this test?

This test is a good fit for anyone with persistent itching, redness, rash, unusual discharge, or nail changes that haven't cleared up on their own. It's especially useful if over-the-counter treatments haven't worked and you want to confirm whether yeast is actually the cause. People with recurring skin, nail, or genital irritation may also find this test helpful for getting a clear answer.

What symptoms indicate I may need this test?

Common symptoms include persistent itching, redness, a rash with a distinct border, white or cottage-cheese-like discharge, cracked or peeling skin, and thickened or discolored nails. Symptoms that don't improve with basic hygiene or over-the-counter creams are also a good reason to test. If you notice recurring symptoms in the same area, it's worth finding out if yeast is the underlying cause.

What does a positive yeast culture mean?

A positive result means yeast organisms were found and identified in your sample, which suggests they're likely contributing to your symptoms. The report will also note which type of yeast was found, since this can help determine which antifungal approach works best. Not every positive result requires aggressive treatment, especially if the amount detected is small and symptoms are mild.

What causes a yeast overgrowth?

Yeast overgrowth is often triggered by warm, moist environments, tight or non-breathable clothing, high sugar intake, antibiotic use, hormonal changes, or a weakened immune system. Excess moisture trapped against the skin, like from sweat or damp clothing, is one of the most common everyday triggers. Identifying and reducing these triggers can help prevent the issue from coming back.

How often should I retest?

If you're treating a confirmed yeast infection, it's reasonable to retest a few weeks after finishing treatment to make sure it has fully cleared. If symptoms return after treatment, retesting can help confirm whether the same yeast type is responsible or if something else is going on. For general peace of mind without symptoms, retesting isn't usually necessary.

Getting your blood test with us is easy, private & backed by the power of science.Long story short: In the test options, use the filters or search box to narrow your choices and find the test you want. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy! If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

How do I know which test to get?

In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option. Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.

When will my lab results be available?

Most test results will be available within 1–3 business days. Once they're ready, we'll send an email and text message to let you know. After your blood draw, just hang tight and don't worry – we'll keep you updated and in the loop! If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com, and we'll gladly help you.

Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?

Absolutely! We totally understand that errors can happen. No worries, we're here to help you. Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you. There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out. Our lab requires an address to be listed to generate an order.

Do you accept health insurance?

Only HSA & FSA is accepted. Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts. This policy applies to all insurance companies, including federal health insurance programs like Medicare. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

Can I cancel my order?

Yes. We get it – sometimes your needs change. As long as your samples haven’t been collected yet, we’re happy to help you cancel your order. If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com. You can read more about our cancellation policy here.

How can I find a lab location near me?

During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp). Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

Yeast Culture Test - Skin & Nail Infection Check

Getting your blood test with us is easy, private & backed by the power of science.

Long story short:

In the test options, use the filters or search box to narrow your choices and find the test you want.
If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!

754-799-7833

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