What's this test for?

This test is ideal if you're experiencing sudden, unexplained memory loss, confusion, or a rapid decline in thinking skills that has come on over weeks or months rather than years. It helps identify whether an autoimmune reaction is behind these fast-moving cognitive changes, which is different from typical age-related memory decline. It's also used to track how well treatment is working if you've already been diagnosed with this type of condition.

What's included in this test?

This test measures a single, highly specific autoantibody called Anti-Amphiphysin. This antibody matters because its presence signals that your immune system may be mistakenly attacking nerve tissue, which can cause the kind of fast cognitive decline seen in autoimmune dementia. Because it's a semi-quantitative result, the actual level can also help gauge how active the immune response is.

What happens after I get my results?

Your results will be available in your account, along with an explanation of what a normal versus abnormal range looks like for this antibody. If your result comes back positive, the report will help guide next steps, such as considering retesting to monitor changes over time or seeking care quickly given how fast this condition can progress. You can download a standard lab report directly from your account at any time, and the trends feature lets you track your results over multiple tests to see if levels are rising or falling.

How can I naturally support brain and nerve health?

While this condition needs prompt medical attention, general habits like getting consistent sleep, staying physically active, and eating foods rich in omega-3s can support overall brain health. Managing stress through activities like meditation or light exercise may also help reduce inflammation in the body. These steps are supportive, not a replacement for addressing an active autoimmune process quickly.

When will I get my results?

Lab processing for this test typically takes about 7 days from when your sample is collected. Because this condition can progress quickly, it's a good idea to check your account regularly during this window so you can act on the results as soon as they're ready.

Who should consider this test?

This test is worth considering if you or someone close to you has noticed a sudden, unusual drop in memory, thinking speed, or overall mental clarity that isn't typical for age or stress. It's also useful for people already diagnosed with an autoimmune neurological condition who need to monitor how treatment is working. If symptoms are severe or worsening quickly, this should be paired with urgent medical evaluation.

What symptoms indicate I may need this test?

Watch for rapid memory loss, sudden confusion, personality changes, difficulty speaking or understanding language, or unexplained problems with coordination that develop over a short period. Some people also experience seizures or unusual muscle stiffness alongside these cognitive changes. If these symptoms appear suddenly and worsen over days or weeks, that rapid pace is a key signal this test may be relevant.

What does a positive Amphiphysin antibody result mean?

A positive result means your immune system is producing antibodies that target a protein involved in nerve signaling, which is associated with autoimmune-related rapid cognitive decline. This finding is often linked to an underlying immune trigger, so it usually calls for fast follow-up to figure out the cause and start appropriate treatment. The higher the level, the more active the immune response is thought to be.

How often should I retest?

If you're being actively treated for this condition, retesting every few months is common to see whether antibody levels are dropping in response to treatment. If your first result was negative but symptoms continue or worsen, retesting sooner may help catch a delayed antibody rise. Your trends dashboard makes it easy to compare results over time.

What should I do if my results are abnormal?

If your result is positive, this is a signal to seek prompt medical evaluation given how quickly this condition can progress. In the meantime, keep a record of any new or worsening symptoms like confusion, memory changes, or coordination issues to share when you get care. Retesting periodically can also help track whether antibody levels are changing over time.

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.

Amphiphysin Antibody Test - Autoimmune Dementia 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]