Testing Options for COVID-19

which COVID-19 test is right for you?

Bloom offers the highest quality testing options tailored to meet your needs. Diagnostic screening for current viral infections can be used to control the spread of COVID-19. Molecular testing by reverse transcription polymerase chain reaction (RT-PCR) is the highest standard in accuracy when it comes to testing for a current infection. This test is a requirement for international travel. Bloom also offers an array of point-of-care diagnostic testing options to help corporate clients build solutions for their workplace.



Bloom also offers a diverse portfolio of the highest quality antibody testing options. Antibody testing is used to determine previous exposure to COVID-19. The presence of antibodies can help to protect against re-infection of COVID-19.

comparing COVID-19 test types:

 PCR TestAntigen TestAntibody Test
Sometimes referred to as:Viral test, molecular test, RT-PCR testRapid diagnostic test, Some molecular tests, Antigen TestsSerological test, serology, blood test, serology test
How the sample is taken:Nasal swab or SalivaNasal or throat swabFinger stick or blood draw
How long it takes to get results:48 to 72 hoursOne hour or less48 to 72 hours
Some rapid options available with results in less than 1 hour
Is another test needed:This test is typically highly accurate and usually does not need to be repeated.Positive results are usually highly accurate but negative results may need to be confirmed with a molecular test.Sometimes a second antibody test is needed for accurate results.
What it shows:Diagnoses active coronavirus infectionDiagnoses active coronavirus infectionShows if you’ve been infected by coronavirus in the past
What it can't do:Show if you ever had COVID-19 or were infected with the coronavirus in the pastDefinitively rule out active coronavirus infection. Antigen tests are more likely to miss an active coronavirus infection compared to molecular tests. Your health care provider may order a molecular test if your antigen test shows a negative result but you have symptoms of COVID-19.Diagnose active coronavirus infection at the time of the test or show that you do not have COVID-19
The above table references the United Staes FDA, for more information please click here.