What's this test for?

This test is ideal if you're experiencing asthma symptoms that don't seem to improve much with your rescue inhaler, or if you and your care team are trying to understand why your bronchodilator medication works differently than expected. It looks at specific genetic markers that can influence how your body responds to common asthma treatments. This can help explain inconsistent symptom control and guide smarter treatment choices going forward.

What's included in this test?

This test looks at two specific changes in the ADRB2 gene, known as Gly16Arg and Gln27Glu. These particular gene variations matter because they've been linked to how well someone responds to bronchodilator medications, the inhalers commonly used to open airways during asthma symptoms. Knowing your status can help explain why a standard inhaler might work better or worse for you specifically.

What happens after I get my results?

Your results will show up securely in your account, with a clear explanation of what each finding means. Since this is a genetic test, the result itself doesn't change over time, but it gives you useful context for how you might respond to bronchodilator inhalers, which you can discuss as part of your ongoing asthma management. You can download the full lab report from your account at any time, and it stays saved there so you can reference it whenever needed. If you experience sudden, severe breathing difficulty, seek medical care right away.

How can I naturally support healthy lung function?

While genetics play a role in how you respond to asthma medication, everyday habits can still support your breathing. Avoiding known triggers like smoke, strong fragrances, and allergens, staying active with breathing-friendly exercise, and maintaining a healthy weight can all ease the load on your lungs. Practicing slow, controlled breathing exercises and keeping indoor air clean with filters can also make a noticeable difference.

When will I get my results?

Results for this test are typically ready within about 7 days of your sample being received at the lab. Genetic tests like this one take a bit longer to process than standard blood work because of the detailed analysis involved. You'll get a notification as soon as your results are available in your account.

Who should consider this test?

This test is a good fit for anyone with asthma who feels like their inhaler isn't working as well as it should, or who has had inconsistent results with bronchodilator treatment. It can also be useful for people looking to better understand their personal asthma profile before making changes to their treatment approach. If asthma runs in your family and you want more insight into your own genetic factors, this test can add useful information.

What symptoms indicate I may need this test?

Signs that this test might be worth considering include frequent asthma flare-ups despite using your inhaler as directed, feeling like your rescue inhaler isn't providing quick relief, or noticing your symptoms fluctuate for no clear reason. Shortness of breath, wheezing, or chest tightness that doesn't fully resolve with standard treatment are also common reasons people look into this. If you've felt frustrated trying to find an asthma routine that actually works, this test may offer some answers.

What is the ADRB2 gene and why does it matter?

The ADRB2 gene contains instructions for building a receptor that helps your airway muscles relax when triggered by bronchodilator medications. Small differences in this gene, like the Gly16Arg and Gln27Glu variants, can change how well those medications actually work for you. Understanding your specific gene pattern gives helpful context for why certain asthma treatments might feel more or less effective.

What should I do if my results show a variant linked to reduced bronchodilator response?

If your results show a variant associated with a weaker response to bronchodilator inhalers, it doesn't mean your asthma can't be managed well, it just means your current treatment approach might need adjusting. Keep track of your symptoms and how often you're using your rescue inhaler, and bring this information into any future asthma treatment conversations. Simple lifestyle steps like trigger avoidance and consistent use of controller medications can also help fill the gap. If your symptoms ever feel severe or you're struggling to breathe, seek medical care immediately.

How often should I retest?

Since this test looks at your genetic makeup, which doesn't change over time, you typically only need to take it once in your lifetime. There's no need for retesting unless there's a specific clinical reason to double-check results. Once you have your findings, you can keep referring back to them as part of your long-term asthma management.

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.

Beta-2 Receptor Gene Test - Asthma Inhaler Response

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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