What's this test for?

This test is ideal if you're experiencing muscle weakness that gets worse with activity and improves with rest, drooping eyelids, double vision, or trouble swallowing or breathing. These symptoms can point to myasthenia gravis, an autoimmune condition where your body attacks the connections between nerves and muscles. This blood test looks for the specific antibodies responsible for that muscle weakness.

What happens after I get my results?

Your results will show up in your account with the normal range clearly explained next to your value. If your antibody level comes back elevated, a reasonable next step is discussing symptom patterns and possibly repeating the test to confirm findings, while a normal result with ongoing symptoms may mean other causes should be explored. 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 changes over time.

What's included in this test?

This test measures acetylcholine receptor modulating antibodies. These antibodies target the acetylcholine receptors your muscles need to receive nerve signals, and their presence is found in most people with myasthenia gravis. Testing for them helps explain unexplained muscle weakness, drooping eyelids, double vision, or swallowing and breathing difficulties, and can support monitoring of a known autoimmune neuromuscular condition.

Who should consider this test?

This test is a good option for people with muscle weakness that worsens with repeated use, especially if it affects the eyes, face, throat, or limbs. It's also useful if you've had unexplained double vision, eyelid drooping, or difficulty chewing and swallowing that comes and goes. Anyone already diagnosed with myasthenia gravis may also use this test to help monitor antibody activity over time.

What symptoms indicate I may need this test?

Common signs include eyelids that droop, especially later in the day, blurred or double vision, and muscles that feel strong in the morning but weak by evening. Trouble chewing, swallowing, or slurred speech can also be signs, as can arms or legs that tire quickly during simple tasks. If these symptoms come and go or get worse with activity and better with rest, this test can help identify the cause.

How can I naturally support muscle and nerve health?

Getting enough rest and pacing activity throughout the day can reduce muscle fatigue for many people with neuromuscular symptoms. Eating a balanced diet with adequate protein, magnesium, and vitamin D supports overall muscle function. Avoiding excess physical and emotional stress, since both can trigger flare-ups in autoimmune conditions, is also a practical everyday step.

What is myasthenia gravis and why does it matter?

Myasthenia gravis is a condition where your immune system mistakenly attacks the receptors your muscles use to receive signals from nerves. This miscommunication causes muscles to tire quickly and weaken, which can affect everyday activities like walking, talking, or even breathing in severe cases. Identifying it early through antibody testing helps you understand what's causing your symptoms so you can take appropriate next steps.

What does a high antibody result mean?

A high level of acetylcholine receptor modulating antibodies suggests your immune system is actively attacking the connections between your nerves and muscles. This finding is strongly associated with myasthenia gravis, though the exact severity of symptoms doesn't always match the antibody level. If your result is high and you're experiencing worsening weakness, especially trouble breathing or swallowing, seek medical care promptly.

How often should I retest?

If you're monitoring a known condition, retesting every few months can help track whether antibody levels are rising or falling. If you started with a normal result but symptoms persist or worsen, retesting after any new symptom flare-up may be worthwhile. Your healthcare situation and symptom changes should guide the exact timing rather than a fixed schedule.

What should I do if my results are abnormal?

If your antibody levels come back elevated, keep a log of your symptoms, noting when weakness is worse and what activities trigger it. Avoid overexertion and prioritize rest during flare-ups. If you experience sudden difficulty breathing, swallowing, or severe weakness, seek emergency medical care right away, as this can be a sign of a serious complication.

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 Antibody Test - Muscle Weakness 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

[email protected]

Myasthenia Gravis Antibody Blood Test

Acetylcholine Receptor Modulating Antibody

Prescription & fees included

Easy to understand results

Fast & convenient

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?

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Myasthenia Gravis Antibody Blood Test

Prescription & fees included

Easy to understand results

Fast & convenient

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