ANTIBODY TEST

Blood Donations Being Tested for SARS-CoV-2 Antibodies

Beginning October 26, Southern California Blood Bank is testing all blood donations for SARS-CoV-2 antibodies. SARS-CoV-2 is the virus that causes the Coronavirus Disease 2019 (COVID-19). The test is being performed as part of our regular testing panel to qualify donations for COVID-19 convalescent plasma.  If your donation tests positive, the plasma in your donated blood may be used to help hospital patients fighting COVID-19.   

Appointments are required for all blood donations.  

The antibody test detects if your immune system has developed antibodies to the SARS-CoV-2 virus. Results of SARS-CoV-2 testing is intended for qualification of COVID-19 convalescent plasma and may NOT be used for diagnostic purposes.  As this is is NOT a diagnostic test, it will not detect active COVID-19 infections or recent exposure.

Please read all COVID-19 blood donation restrictions and protocols prior to making an appointment. ​ 

  1. If you have had COVID-19 symptoms or have been diagnosed with COVID-19, do not attempt to donate until you have been symptom free for 28 days.
     
  2. Do not attempt to donate if you have been in close contact with someone diagnosed with or suspected of having COVID-19. This includes healthcare workers/first responders in close contact with someone diagnosed with or suspected of having COVID-19 or through a breach of Personal Protective Equipment.
     

The test has been granted by the Food and Drug Administration (FDA) for Emergency Use Authorization. Per federal law, all positive (reactive) and negative (non-reactive) test results will be reported to the Department of Public Health where donors reside.   

Donors will be notified of results in their SCBB wellness portal 7-10 days after donation. The results are used by the Southern California Blood Bank to qualify donations of COVID-19 convalescent plasma. If you test positive, please consider donating convalescent plasma on your next donation. Learn more and sign up at scbloodbank.org/donateplasma.

To be eligible to donate blood, you must be at least 17 years old, weigh at least 114 pounds and be in general good health. To make an appointment, please visit scbloodbank.org/donate or call (844) 380-5220.


FREQUENTLY ASKED QUESTIONS 

What test is Southern California Blood Bank using to test for SARS-CoV-2 antibodies?   
Southern California Blood Bank is using the Ortho Clinical Diagnostics VITROS® Anti-SARS-CoV-2 Total test which has been granted an FDA Emergency Use Authorization. The antibody test detects if your immune system has developed sufficient levels of antibodies to the virus thought to be useful as a therapeutic. The test is being performed as part of our regular testing panel to qualify donations for COVID-19 convalescent plasma and will appear in your portal as “antibody screening test.” Should you screen positive, your result will be confirmed using the FDA emergency use authorized Roche COBAS Elecsys Anti-SARS-CoV-2 assay. This test result will appear in your portal as “supplemental antibody test.”

Will the SARS-CoV-2 antibody test tell me if I currently have COVID-19?  
No, antibodies take time to form and are unlikely to show up on the SARS-CoV-2 antibody test during an active infection. People with active or recent symptoms should consult their physician or take advantage of a free COVID-19 testing site for a test that involves a nose or throat swab.  

Will the SARS-CoV-2 antibody test tell me if I have recently been exposed to COVID-19?  
No, the test is unlikely to detect recent exposure. Please consult your doctor if you believe you have been exposed. It is important that you self-isolate for at least 14 days following an exposure. Do not make an appointment to donate blood until 28 days from the last date of exposure.  

Do I need to donate blood to receive the test?  
Yes, this test is only available when you have a successful blood donation. The SARS-CoV-2 antibody test is being added to our standard testing procedures and only successful donations are sent to our laboratory to be tested. If you know you will not qualify to donate blood, there are other SARS-CoV-2 antibody testing options available for the general public 

If I test positive (reactive), does this mean I’m immune to COVID-19?  
It is not yet known if the presence of antibodies provides immunity from future infections. It is also not known how long SARS-CoV-2 antibodies stay in the system after an infection. Public health precautions should continue to be taken to prevent new exposures.

Does a negative (non-reactive) result mean I have never been exposed to COVID-19?  
Not necessarily. The FDA-authorized Ortho Clinical Diagnostics VITROS® Anti-SARS-CoV-2 Total test is a qualitative test that measures the presence of antibodies in your system. If your antibody levels are low, your test result will likely be reported as negative (non-reactive). It is also unknown how long antibodies persist in a person’s system after infection.    

If I have been diagnosed with having COVID-19 or test positive (reactive) for SARS-CoV-2 antibodies, can I donate convalescent plasma?   
Yes, as long as you meet all of the normal blood donation requirements and have been symptom free for 28 days (or 14 days with a follow up negative PCR test). You will need to wait 8 weeks from the date of a whole blood donation to donate plasma. Visit scbloodbank.org/donateplasma to get started or view our COVID-19 convalescent plasma (CCP) FAQs.   

How do I receive my results?   
Your results will be available in your wellness portal at myscbb.org 7-10 days after your blood donation. Donors can create an account with a valid email address.   

Can I opt out of antibody testing?  
No, the Ortho Clinical Diagnostics VITROS® Anti-SARS-CoV-2 Total test is being performed in conjunction with other measures to qualify potential CCP donors and is included in our regular testing panel of each blood donation with our laboratory partner.   

Can I receive a test from a past donation?  
No, the test is only being performed on current donations as part of a routine panel used by our laboratory to screen each blood donation prior to its release to local hospitals.  

Will my test results be reported to anyone besides me?  
Southern California Blood Bank is required to report both positive (reactive) and negative (non-reactive) test results to the Department of Public Health office where you reside. Reporting helps us understand the prevalence and epidemiology of the virus in various communities.  

If I have questions or concerns about my results, who can I contact?  
The Ortho Clinical Diagnostics VITROS® Anti-SARS-CoV-2 Total and Roche COBAS Elecsys Anti-SARS-CoV-2 tests are not diagnostic tests. Please contact your health care provider for any health-related questions. If you test positive (reactive) to both tests and are interested in donating convalescent plasma (CCP), please visit  scbloodbank.org/donateplasma.   











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