Rubella Susceptibility Blood Test

What is Rubella Susceptibility?

Rubella susceptibility is the lack of immunity to rubella virus, leaving a person vulnerable to infection. It is caused by absence of protective IgG antibodies due to lack of vaccination or previous natural infection. The Rubella Immune Status blood test is the most important test for determining immunity and identifying susceptibility.

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What causes rubella susceptibility?

Rubella susceptibility is caused by the absence of protective IgG antibodies against the rubella virus in your bloodstream. This happens when you have never been vaccinated with the MMR (measles, mumps, rubella) vaccine or have not been naturally infected with rubella in the past. Without these antibodies, your immune system cannot recognize or fight off the rubella virus if you are exposed to it, leaving you vulnerable to infection and its complications.

What is the best test for rubella susceptibility?

The Rubella Immune Status blood test is the most important test for determining rubella susceptibility because it measures the presence and concentration of rubella-specific IgG antibodies in your blood. This test definitively shows whether you have protective immunity or are susceptible to infection. If the test detects adequate antibody levels, you are immune. If antibodies are absent or below protective levels, you are susceptible and should discuss vaccination with your healthcare provider, especially if you are planning pregnancy or are of childbearing age.

When should I get tested for rubella susceptibility?

You should get tested if you are a woman planning to become pregnant, already pregnant without documented immunity, working in healthcare or childcare settings, or unsure of your vaccination history. Testing is especially important before conception because rubella infection during pregnancy can cause serious birth defects including heart problems, hearing loss, and developmental delays in the baby. You should also consider testing if you were born outside the United States where MMR vaccination may not have been routine.

What are the symptoms of rubella infection?
Rubella infection typically causes a mild pink or red rash that starts on the face and spreads to the rest of the body, lasting about three days. Other symptoms include low-grade fever, swollen lymph nodes (especially behind the ears and at the back of the neck), headache, mild pink eye, and general discomfort. Many people, especially children, may have very mild symptoms or no symptoms at all, making it difficult to know if you have been exposed without blood testing.
Who is at risk for rubella susceptibility?
People at highest risk include women of childbearing age who were never vaccinated or only received one dose of MMR vaccine, individuals born before 1957 (when rubella was widespread), immigrants from countries without routine rubella vaccination programs, and healthcare workers with unknown immunity status. Adults who received the vaccine as children may also be at risk if their immunity has waned over time, though this is uncommon. Anyone who has never been tested for rubella immunity should consider getting checked, especially before pregnancy.
What happens if rubella susceptibility is left unaddressed?
If you remain susceptible to rubella and become infected during pregnancy, especially in the first trimester, your baby faces serious risks of congenital rubella syndrome, which includes heart defects, cataracts, deafness, and intellectual disabilities. Up to 90% of babies born to mothers infected in the first 12 weeks of pregnancy will develop congenital rubella syndrome. Outside of pregnancy, rubella infection can cause painful joint inflammation in adults and, rarely, brain inflammation. Identifying and addressing susceptibility through vaccination prevents these serious complications.
Can rubella susceptibility be diagnosed with a blood test?
Yes, rubella susceptibility is diagnosed through a simple blood test that measures rubella IgG antibodies. The test requires only a small blood sample and results typically indicate whether you have protective immunity or are susceptible. A negative or low antibody result means you are susceptible to rubella infection, while a positive result with adequate antibody levels indicates immunity from either vaccination or previous infection. This test is considered the gold standard for determining rubella immune status.
How is rubella susceptibility treated?
Rubella susceptibility is prevented through vaccination with the MMR vaccine, which is highly effective at providing long-lasting immunity. If you test negative for rubella antibodies and are not pregnant, you should receive the MMR vaccine and wait at least one month before trying to conceive. If you are already pregnant and found to be susceptible, vaccination must wait until after delivery, and you should take precautions to avoid exposure during pregnancy. The vaccine is safe, effective, and provides protection in about 97% of people after two doses.
How can I prevent rubella infection?
The most effective prevention is ensuring you are fully vaccinated with two doses of the MMR vaccine if you are susceptible. If you are pregnant and susceptible, avoid contact with anyone who has a rash or is sick with rubella-like symptoms, practice good hand hygiene, and avoid crowded places during outbreaks. Getting vaccinated before pregnancy is essential. After receiving the vaccine, wait at least four weeks before trying to conceive. If you work in healthcare or childcare, confirm your immunity status and get vaccinated if needed.
What can I do at home if I am susceptible to rubella?
If you discover you are susceptible to rubella, schedule vaccination with your healthcare provider as soon as possible if you are not pregnant. Maintain a healthy immune system through adequate sleep, balanced nutrition rich in vitamins C and D, regular exercise, and stress management. If you are planning pregnancy, get vaccinated at least one month before conceiving. Keep records of your vaccination and test results for future reference. If you are pregnant and susceptible, be vigilant about avoiding sick contacts and practice excellent hand hygiene to reduce your risk of exposure until you can be vaccinated after delivery.
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Long story short:
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  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.
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  8. 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.
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.
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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?
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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.
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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.
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Rubella Immune Status
What's included
Fast & easy, results by email & SMS
No need to visit a doctor
Private & confidential
No insurance needed
Results explained
No extra fees paid at the lab

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