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An antibody or serology demo is a blood test that looks for signs of a previous COVID-19 infection. It detects antibodies, which are proteins in the blood that fight-off infection. Antitoàn thân testing has a lot of promise because it will help us understvà the pervasiveness of COVID-19 in our communities.

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But, antibody toàn thân testing shouldn’t be relied on for accurately predicting individual immunity. This means that even if you receive sầu a positive sầu antibody result, showing that COVID-19 antibodies were detected, you will not know with any certainty that you cannot get COVID-19 again. Everyone should continue lớn follow the recommendations on physical distancing and hygiene until scientists & doctors understand the disease better.


What is the difference between antibody testing and diagnostic testing?

An antibody toàn thân test is a blood thử nghiệm that looks for signs of a previous COVID-19 infection. A diagnostic thử nghiệm looks for signs of an active, current infection. The preferred diagnostic kiểm tra is still a nasopharyngeal (through the nose) swab. This test can be performed at one of UCLA Health’s almost 30 chạy thử locations and sent khổng lồ an UCLA in-house lab for testing.

How does an antibody chạy thử work?

A blood sample collected in a vial is sent lớn a lab where a demo is run lớn look for the presence of antibodies in the blood serum. The presence of antibodies means that the body toàn thân had an immune response to lớn fight off a virus.

The common kiểm tra that is used for serolô ghích testing is called the ELISA kiểm tra, for enzyme-linked immunosorbent assay. Right now, antibody toàn thân tests for COVID-19 return many false positive results. This means that even if the chạy thử returns a positive sầu result, implying that someone has COVID-19 antibodies và already recovered from the coronavi khuẩn disease, that might not be the case.

Does UCLA Health offer antibody testing? Who can get tested?

Yes, UCLA Health has an antitoàn thân kiểm tra available, but it must be ordered by a primary care physician. If you need khổng lồ establish care with a primary care physician, we can help. Please hotline 310-825-2631 for a referral lớn one of our many primary care clinics across the region.


Antibody tests are recommended in the following cases:

As part of a clinical trial for health system workers & first responders In combination with diagnostic testing for patients who are scheduled for a procedure or surgery In cases when a patient had a suspected COVID-19 infection, but no testing was performed In cases when a patient had a suspected COVID-19 infection, but despite a negative sầu diagnostic thử nghiệm result, their physician still thinks they had the disease and wants to confirm In other cases, approved by a physician, such as when someone is in cchiến bại tương tác with high-risk patients (immunocompromised or elderly) and may have sầu been exposed to lớn the virus in the past
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The chạy thử is currently NOT offered:

To diagnose active COVID-19 For low-risk patients or members of the general public with no suspicion of recent infection who may simply be curious or want to lớn know if they were infected

How long does it take to lớn get results from an antibody test?

The expected turnaround time is 24 to 48 hours.

If my antibody toàn thân test is positive sầu & I have COVID-19 antibodies, am I immune?

The quickest answer is, we don’t know.

Right now, scientists vị not fully understand how the presence of antibodies relates lớn immunity. They vị not know if someone can be re-infected with COVID-19 if they already had the disease, or for how long potential immunity might last.

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As more research on coronavi khuẩn và COVID-19 is conducted và the immune response khổng lồ the disease is better understood, scientists và doctors will better underst& the relationship between antibodies and immunity.

I think I may have sầu been exposed to lớn COVID-19. Can I get the test?

You should talk lớn your primary care physician about your concerns và let them know if you believe sầu you were exposed lớn COVID-19. They will decide if an antibody kiểm tra is appropriate given your specific case.

Please note that you must be asymptomatic at the time of the COVID-19 antitoàn thân demo. In order lớn maximize the likelihood of accurate results, the test should be ordered at least 28 days after the onphối of symptoms.

You can Điện thoại tư vấn your physician’s office or 310-825-2631 to lớn set up a video visit or in-person appointment to lớn discuss antitoàn thân testing.

What does it cost?

Patients should check with their individual insurance plans. Patients may have sầu to pay a deductible, so even if the test is covered, they may need to lớn pay for the cost of the chạy thử.

What bởi I need khổng lồ know?

The most important thing for patients to lớn know is that while antibody toàn thân tests can provide important information khổng lồ researchers và groups making public health policies, they are not yet useful to lớn the general public as a means of confirming a prior COVID-19 infection or providing information about immunity.

Because these tests are not perfect, it is important lớn continue khổng lồ follow evidence-based steps regardless of antibody chạy thử results lớn prsự kiện infection.

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Keep physical distance – at least 6 feet or more from others Wear a cloth face covering when you must go out in public Wash your hands often with soap and water, for at least trăng tròn seconds

Where can I get more information on COVID-19?

Go lớn uclaheath.org/coronavirut for all of the lathử nghiệm COVID-19 information or Gọi our patient đường dây nóng Monday lớn Friday, 7am lớn 7pm at 310-267-3300. Calls received outside of business hours will be returned the following business day.