COVID-19 Testing

Top quality testing options with top quality customer support.

Types of Tests

There are two types of tests - Diagnostic and Antibody. Diagnostic tests are able to show if you have a current infection with SARS-CoV2, which is the virus that causes COVID-19. Antibody tests can show you if your body has produced a response to an infection but should not be used to diagnose a current infection.

Antibody Tests

Antibody tests looks for antibodies that are made by your immune system in response to a threat, such as a specific virus. Antibodies can help fight infections. Antibodies can take several days or weeks to develop after you have an infection and may stay in your blood for several weeks or more after recovery. Because of this, again, antibody tests should not be used to diagnose an active coronavirus infection.

Diagnostic Tests

Antigen tests that detect specific proteins on the surface of the virus can be used to detect a current infections. Molecular tests, such as RT-PCR tests, can also show a current infection by detecting the virus’s genetic material and is another type of Diagnostic Test. Samples for COVID-19 diagnostic tests are typically collected using an anterior nares (nasal) swab sample. Some diagnostic tests use mid-turbinate, nasopharyngeal, oropharyngeal, or saliva samples. COVID-19 diagnostic tests can be performed at a laboratory, a standalone testing site, a doctor’s office or health clinic, or at home.

Differences in Testing Methods

Other Names

Antibody

Serological test, serology, blood test, serology test

Antigen

Rapid diagnostic test

*Some molecular tests are also rapid tests

Molecular

Diagnostic test, viral test, molecular test, nucleic acid amplification test (NAAT), RT-PCR test, LAMP test

Sample Collection

Finger stick or blood draw

Nasal or throat swab

Nasal or throat swab (most tests)

Saliva (a few tests)

Results

Same day (many locations) or 1-3 days.

One hour or less.

Same day (some locations) or up to a week.

Secondary Confirmation

Sometimes a second antibody test is needed for accurate results.

Positive results are usually highly accurate but negative results may need to be confirmed with a molecular test.

This test is typically highly accurate and usually does not need to be repeated.

Diagnosis

Shows if you’ve been infected by coronavirus in the past.

Diagnoses active coronavirus infection

Diagnoses active coronavirus infection.

Limitations

Will not diagnose active coronavirus infection at the time of the test or show that you do not have COVID-19.

Will not definitively 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.

Will not show if you ever had COVID-19 or were infected with the coronavirus in the past.

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