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Specialized autoantibody test for families concerned about rapidly progressive dementia symptoms

CV2 Autoantibody Test for Rapidly Progressive Dementia

Recombx® CV2 Autoantibody Test (Autoimmune Rapidly Progressive Dementia)

  • Detect autoimmune causes of memory loss
  • Monitor rapid cognitive decline symptoms
  • Track treatment response over time
$1745
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First results as soon as overnight*

All results normal? Get your money back. First-time customers only. File a support ticket titled “Money Back Guarantee” with your order number within 15 days of receiving your results. STD, Sickle Cell, and gift orders aren’t eligible. Full terms apply. guarantee
No questions asked refunds
LegitScript certified

Prescription & all lab fees included

Go directly to the lab, no extra fees

Doctor's guidance included

Easy to understand results

Fast & convenient

Lab visit as quick as 10 mins in & out

  • Many results come back overnight *
  • 90-day money back guarantee
  • Save time & skip the doctor’s office
  • Lab visit as quick as 10 minutes
  • Results explained, with clear next steps
  • LegitScript certified
  • No questions asked refunds
  • The price you see is the price you pay

Prescription & all lab fees included

Go directly to the lab, no extra fees

Doctor's guidance included

Easy to understand results

Fast & convenient

Lab visit as quick as 10 mins in & out

All results normal? Get your money back. First-time customers only. File a support ticket titled “Money Back Guarantee” with your order number within 15 days of receiving your results. STD, Sickle Cell, and gift orders aren’t eligible. Full terms apply. guarantee
No questions asked refunds
LegitScript certified

What's this test for?

This test is ideal if you're experiencing sudden confusion, rapidly worsening memory loss, or unexplained changes in behavior and coordination that have come on faster than typical age-related decline. It helps if you have a family member who developed severe cognitive symptoms over weeks or months rather than years, since this pattern can point to an autoimmune cause. The test looks for a specific autoantibody linked to this type of rapidly progressing dementia.

What's included in this test?

This is a single, specialized test that checks for one specific autoantibody rather than a broad panel. It matters because this particular marker is closely tied to a rare but serious autoimmune process that attacks the nervous system, so a focused, sensitive test is more useful here than a general panel.

What happens after I get my results?

Your results will appear in your online account with the normal reference range explained so you can see exactly where your value falls. If your result is positive, the report will explain what that means and note that prompt follow-up is important given how quickly symptoms can progress with this condition. You can download a standard lab report anytime from your account, and if repeat testing is recommended to monitor changes, you'll be able to track those results over time using the trends feature.

When will I get my results?
Results are typically available within about 7 days of your sample being processed at the lab. This test uses a specialized assay method, which takes a bit longer than routine bloodwork, so the extended turnaround reflects the careful analysis required for accuracy.
Who should consider this test?
This test is worth considering if you or a family member has experienced a fast decline in memory, thinking, or coordination over a short period of time, especially when no other clear cause has been found. It's also useful for people already diagnosed with an autoimmune neurological condition who need to monitor whether treatment is working. If symptoms are severe or worsening quickly, seeking urgent medical care should not wait for test results.
What symptoms indicate I may need this test?
Watch for rapid memory loss, sudden confusion, personality changes, difficulty walking or coordinating movements, or seizures that develop over weeks rather than years. Unlike typical dementia, these symptoms tend to worsen quickly and may fluctuate. If these symptoms appear suddenly or get worse fast, treat it as urgent and seek medical care right away rather than waiting for test results.
What is CV2 autoantibody and why does it matter?
CV2 is a protein found in nerve tissue, and in some people the immune system mistakenly creates antibodies against it. When this happens, it can trigger inflammation in the brain that leads to rapidly progressing dementia-like symptoms. Finding this antibody in the blood helps explain an otherwise confusing and fast-moving set of symptoms.
What does a positive CV2 antibody result mean?
A positive result suggests your immune system is producing antibodies that may be attacking nerve tissue, which can explain rapid cognitive decline or other neurological symptoms. This finding is often associated with an underlying autoimmune process, and sometimes with an undiagnosed tumor elsewhere in the body. Because this condition can progress quickly, a positive result should prompt fast follow-up care rather than a wait-and-see approach.
How often should I retest for CV2 antibodies?
If you're already being treated for a CV2-related condition, periodic retesting can help show whether antibody levels are dropping in response to treatment. A common approach is retesting every few months during active treatment, then spacing it out once things stabilize. Because this varies a lot by individual case, use the trends feature in your account to track patterns and decide timing based on how your levels are moving.
What should I do if my results are abnormal?
If your result comes back positive, don't wait — this condition can move quickly, so getting into urgent medical evaluation is the safest next step. In the meantime, keep a simple log of any new or worsening symptoms like confusion, balance problems, or memory changes to share during your evaluation. Avoid alcohol and other substances that can worsen brain function while you sort out next steps, and lean on family or friends for support with daily tasks if symptoms are affecting your independence.
How’s this work?
Getting your blood test with us is easy, private & backed by the power of science.

Long story short:
  1. In the test options, use the filters or search box to narrow your choices and find the test you want.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
  8. If you have any questions, please text us at 754-799-7833 or email [email protected] 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 [email protected], and we'll gladly help you. We've got your back and reply quickly.
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 [email protected]. 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 [email protected].
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 [email protected].

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 [email protected] and we'll gladly help you.

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

You get clinical lab reports & simplified health insights.
Save time & gas, go straight to the lab. Our doctors cover the rest.
Results start landing the next day after your lab visit.*
We don’t sell or share your data. Your time & privacy matter.
US-licensed doctors have your back if things get unclear.
No hidden fees, nice discounts for regular checkups.
Save a trip to the doctor, go directly to the lab
Get lab order in minutes, results come overnight*
Results explained in simple language
Reviewed by US licensed doctors
Fast & confidential, we never sell or share your data
No insurance needed, transparent pricing
Demo results
Anti-CV2 (CRMP5) Autoantibody Negative
Demo results
Negative Positive
Negative

What this means

A negative result means no CV2 autoantibodies were detected, which makes this specific autoimmune cause of rapid cognitive decline unlikely. Your symptoms, if present, are likely due to another cause that may need separate evaluation.

* Regular blood test results (e.g., CBC) typically start arriving the next business day after sample collection. More advanced tests may take longer due to complexity.
Here’s how easy it is to get blood work done on your terms
Choose a checkup
Order your test Save a trip to the doctor. Your results will come with clear, friendly explanations. Takes 2 minutes
Book a lab
Book an appointment Visit any of our 4,000 nearby lab locations to have your samples collected. Book or walk-in
Choose a checkup
Get results Receive a clear, easy-to-digest health report by email & SMS within a few business days. Get answers, fast

Find a lab near you

Search Quest Diagnostics and LabCorp locations available through Private MD Labs.

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CV2 Autoantibody Test for Rapidly Progressive Dementia

  • Detect autoimmune causes of memory loss
  • Monitor rapid cognitive decline symptoms
  • Track treatment response over time
$1745
Still got questions? Text our super-cool support team at 754-799-7833 to get help finding your ideal checkup.
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For informational purposes only. Not medical advice.