Are PCR and NAAT the same?

PCR tests are a type of diagnostic test that uses a technique called NAAT (Nucleic Acid Amplification Tests) to determine if a person is currently infected with COVID-19 (SARS-CoV-2.)

How long does it take to get Covid test results Seattle?

Turnaround time for COVID-19 testing varies; it may take up to 24 to 48 hours to receive your test results, although results may be available sooner. For those who get tested at UW Medical Center Northwest or Harborview Medical Center, if you sign up for a MyChart account, you can get your test results there.

What does positive antigen test mean?

A positive test indicates antigen from the COVID-19 virus was detected and you are presumed to be infected. • Positive results on an antigen test are fairly reliable, meaning that the test is generally positive only when the COVID-19 virus is present in your specimen.

When should I take antigen test?

Do 2 tests each week with 3 days between each test. Antigen testing is more accurate if you leave a few days between each test. It can take time for the virus to show up in your system after you are exposed. Even if you do antigen tests regularly, follow the public health advice on how to protect yourself and others.

What does a positive antigen test mean?

Is a NAAT test an antigen test?

Because laboratory-based NAATs are considered the most sensitive tests for detecting SARS-CoV-2, they can also be used to confirm the results of lower sensitivity tests, such as POC NAATs or antigen tests. If POC NAATs do not deliver presumptive results, they can be used for confirmatory testing.

Is BinaxNOW a NAAT test?

Rapid antigen tests, such as the Abbott BinaxNOW COVID-19 Ag Card (BinaxNOW), offer results more rapidly (approximately 15–30 minutes) and at a lower cost than do highly sensitive nucleic acid amplification tests (NAATs) (1).

Does Covid test work if no symptoms?

You can get rapid lateral flow tests if you do not have symptoms of coronavirus (COVID-19).