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  1. PCR Test: What It Is, How It Works & Results - Cleveland Clinic

    Healthcare providers can use a PCR test to determine whether you have a COVID infection. They use a swab to get a sample of mucus or secretions from deep in your nose.

  2. Testing for COVID-19 | COVID-19 | CDC

    Mar 10, 2025 · Nucleic acid amplification tests (NAATs), including PCR tests, are more likely to detect the virus than antigen tests. NAATs tests are the “gold standard” for COVID-19 tests.

  3. PCR vs. rapid COVID-19 test: What’s the difference?

    May 9, 2025 · There are two types of COVID-19 tests: the polymerase chain reaction (PCR) test and the antigen test, known as the rapid test. Both tests require a sample from the patient, usually a nasal …

  4. Understanding COVID-19 PCR Testing - National Human Genome …

    Jan 18, 2022 · COVID-19 PCR tests use primers that match a segment of the virus’s genetic material. This allows many copies of that material to be made, which can be used to detect whether or not the …

  5. PCR or Rapid Test: Which Is Better? - Verywell Health

    Mar 19, 2025 · Learn the pros and cons of two COVID-19 test options: PCR and rapid test. Find out when to get them and which one is best suited for you.

  6. COVID-19 diagnostic testing - Mayo Clinic

    Jul 18, 2024 · Polymerase chain reaction tests, shortened to PCR tests, are molecular tests. The lab technique used is called reverse transcription polymerase chain reaction, shortened to RT-PCR. You …

  7. COVID-19 PCR Testing: Choose The Option That's Right For You

    PCR tests are considered a gold standard by the CDC* for diagnosing COVID-19 because of their sensitivity and specificity. Labcorp has performed over 60 million COVID-19 tests since March 2020. …

  8. Comprehensive Guide to PCR Testing: Accuracy, Cost & Benefits

    For example, if a patient is suspected of having a viral infection such as COVID-19, the PCR test amplifies the viral RNA in the sample, allowing healthcare providers to confirm the diagnosis.

  9. COVID PCR Test Near Me | LabFinder

    Nov 20, 2025 · A COVID PCR Test, or Polymerase Chain Reaction Test, is a highly accurate diagnostic procedure used to detect the presence of the SARS-CoV-2 virus, which causes COVID-19. This …

  10. What’s the difference between a PCR and antigen COVID-19 test?

    Nov 9, 2021 · Rapid, accurate tests are essential to contain a highly contagious virus like SARS-CoV-2. PCR tests are accurate but can take a long time to produce results. Antigen tests, the other major …