What's this test for?

This test is ideal if you're experiencing unexplained muscle weakness, difficulty swallowing or chewing, drooping eyelids, double vision, or unusual fatigue that worsens with activity. It helps diagnose Myasthenia Gravis, an autoimmune condition where your immune system attacks the connections between nerves and muscles. Many people use this test when they notice their muscles tire quickly during activities that used to be easy, or when neurological symptoms appear without clear explanation.

What happens after I get my results?

You'll receive detailed doctor notes in simple language explaining what your antibody levels mean for your muscle function and overall neurological health. These notes include personalized recommendations on next steps, such as whether you should consult a neurologist, consider additional imaging or testing for thymoma, or discuss treatment options for autoimmune management. You'll also get the standard lab report and can track your antibody levels over time using our trends feature to monitor disease activity or treatment effectiveness.

What's included in this test?

This panel measures Acetylcholine Receptor Binding Antibody, Acetylcholine Receptor Blocking Antibody, Acetylcholine Receptor Modulating Antibody, and Striated Muscle Antibody with Reflex to Titer. This comprehensive panel measures three types of acetylcholine receptor antibodies (binding, blocking, and modulating) that are directly responsible for muscle weakness in Myasthenia Gravis. It also checks for striated muscle antibodies, which can indicate the presence of thymoma, a thymus gland tumor often associated with this condition. Together, these measurements help confirm the diagnosis, understand disease severity, and identify potential complications that may need additional monitoring or treatment.

Who should consider getting this test?

This test is essential for anyone experiencing progressive muscle weakness, especially affecting the eyes, face, throat, or limbs. It's particularly important if you notice your symptoms worsen with activity and improve with rest, if you have difficulty swallowing or speaking, or if your doctor suspects an autoimmune neuromuscular disorder. People with unexplained drooping eyelids, double vision, or breathing difficulties should also consider this panel.

What symptoms indicate I may need this test?

Common symptoms include drooping of one or both eyelids, double or blurred vision, difficulty swallowing or frequent choking, slurred speech, weakness in arms or legs, and shortness of breath. You might notice that your muscles tire quickly during activities like chewing, climbing stairs, or lifting objects, and that symptoms improve after rest. These fluctuating weakness patterns are classic signs that warrant testing for Myasthenia Gravis.

What is Myasthenia Gravis and why does it matter?

Myasthenia Gravis is an autoimmune disorder where your immune system mistakenly attacks the receptors that help nerves communicate with muscles. This disrupts the signals that control muscle movement, causing weakness and fatigue. It matters because early diagnosis and treatment can significantly improve quality of life, prevent serious complications like breathing difficulties, and help identify associated conditions like thymoma that may require different treatment.

What does a positive acetylcholine receptor antibody result mean?

A positive result means your immune system is producing antibodies that attack the acetylcholine receptors on your muscles, confirming a diagnosis of Myasthenia Gravis. This explains why your muscles become weak and tired easily. About 80% of people with generalized Myasthenia Gravis test positive for these antibodies, and treatment can help manage symptoms and improve muscle strength.

What does a positive striated muscle antibody result indicate?

A positive striated muscle antibody result suggests a strong association with thymoma, a tumor of the thymus gland. While not everyone with these antibodies has a thymoma, the presence of this antibody warrants further evaluation with chest imaging. The thymus plays a role in immune function, and thymomas are often linked to Myasthenia Gravis, so identifying this connection is important for comprehensive treatment planning.

How can I manage Myasthenia Gravis symptoms naturally?

While medical treatment is essential, you can support your muscle function by pacing activities and taking frequent rest breaks before muscles become overly fatigued. Eating smaller, more frequent meals can help if swallowing is difficult, and choosing soft, easy-to-chew foods reduces strain. Managing stress, getting adequate sleep, avoiding extreme temperatures, and staying current with vaccinations to prevent infections that can worsen symptoms are all helpful. Always work closely with your neurologist for medication management.

How often should I retest for Myasthenia Gravis antibodies?

Initial retesting frequency depends on your diagnosis and treatment plan, often every 3-6 months when starting new therapies to monitor response. Once your condition is stable and well-managed, annual testing may be sufficient to track antibody levels and disease activity. Your neurologist may recommend more frequent testing if you experience symptom changes, start new medications, or undergo treatments like thymectomy. Regular monitoring helps adjust treatment and catch any disease progression early.

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.

Myasthenia Gravis Test - Muscle Weakness Panel

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

[email protected]

Blood Test for Muscle Weakness and Unusual Fatigue

Myasthenia Gravis Panel 3

90 day happiness guarantee

Prescription & fees included

Easy to understand results

Fast & convenient

90 day happiness guarantee

Prescription & fees included

Easy to understand results

Fast & convenient

What's this test for?

What's included in this test?

What happens after I get my results?

Here’s why 1,000,000+ customers chose us for affordable hassle-free private blood testing.

Blood Test for Muscle Weakness and Unusual Fatigue

90 day happiness guarantee

Prescription & fees included

Easy to understand results

Fast & convenient

1,000,000+ blood tests later, here's what our customers say