What's this test for?

This test is ideal if you're experiencing a persistent cough, fever, fatigue, or chest discomfort that won't go away, especially if you've spent time in areas with bird or bat droppings or old buildings where fungal spores collect. It helps identify whether a lung or systemic infection is being caused by the fungus that causes histoplasmosis. It's also useful if you've had a chest X-ray or scan showing unexplained lung changes and other causes have been ruled out.

What's included in this test?

This test looks for specific immune bands your body produces in response to the fungus that causes histoplasmosis, rather than measuring a list of general biomarkers. It's designed to detect two distinct precipitin bands, each of which tells a different story about how active or advanced an infection might be. Checking for both bands together gives a more complete picture than looking for just one.

What happens after I get my results?

Your results will show up in your online account with a clear explanation of what a positive or negative band result means. If both the H and M bands are detected, that's considered strong evidence of infection and you should seek medical care promptly for treatment. If only the M band appears, it may reflect early or past infection, and retesting in a few weeks can help clarify the picture. You can download the official lab report anytime and use the trends feature to track results if you're tested more than once.

How can I naturally support my immune system during infection recovery?

While a confirmed fungal infection needs proper medical treatment, you can support your body's recovery with good sleep, staying hydrated, and eating a nutrient-rich diet with plenty of vegetables, protein, and healthy fats. Avoiding smoking and limiting alcohol can also help your immune system function better while fighting an infection. Gentle movement like walking, once you feel able, can support circulation and energy without overtaxing your body. These steps support your body but don't replace treatment for a confirmed infection.

When will I get my results?

Results from this fungal immunodiffusion test are typically ready within about 7 days of your sample being processed at the lab. This test requires specialized lab techniques to detect the immune bands, which is why it takes a bit longer than routine blood work. You'll get a notification as soon as your results are posted to your account.

Who should consider this test?

People with ongoing respiratory symptoms like cough, fever, or fatigue after possible exposure to fungal spores—especially from bird or bat droppings, caves, or construction sites—should consider this test. It's also worth considering if you have a weakened immune system, since fungal infections can be more serious in that situation. Anyone with unexplained lung findings on imaging who needs more answers may also benefit.

What symptoms indicate I may need this test?

Common symptoms include a lingering cough, fever, chills, fatigue, chest pain, and shortness of breath that don't improve over time. Some people also notice joint pain or skin changes if the infection has spread beyond the lungs. If these symptoms follow exposure to soil, bird droppings, or old buildings, this test can help find the cause.

What does it mean if both bands are detected?

When both the H and M bands show up, it's considered strong evidence of histoplasmosis infection, usually a more chronic or severe acute case. This isn't something to manage on your own—it typically calls for prompt medical attention to start proper treatment. Catching it early makes treatment more effective and recovery smoother.

What does it mean if only the M band is detected?

The M band can appear early in an infection, during a chronic case, or even months to years after the infection has cleared. On its own, it's less definitive and doesn't always mean an active infection is present. Retesting or additional evaluation may help clarify whether the infection is current or resolved.

How often should I retest?

If your first test comes back positive for just one band or your symptoms continue, retesting after a few weeks can help track whether the infection is progressing or resolving. Once you've completed treatment for a confirmed infection, your results may be used to help confirm recovery over time. Use the trends feature in your account to easily compare results from different dates.

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.

Histoplasmosis Test - Fungal Lung 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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