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  1. Testing for COVID-19 | COVID-19 | CDC - Centers for Disease …

    Mar 10, 2025 · A single NAAT test can be used to confirm an antigen test result. *Self-tests, or at-home tests, are antigen tests that can be taken anywhere without having to go to a specific …

  2. Overview of Testing for SARS-CoV-2 | COVID-19 | CDC

    Aug 29, 2024 · Positive viral test results indicate current infection and the person with COVID-19 should take steps to prevent spreading COVID-19 to others. Negative viral test results mean …

  3. Clinical Testing and Diagnosis for Tuberculosis

    Apr 17, 2025 · It is the only kind of TB skin test solution that is FDA-approved for this test method. After 48–72 hours, the skin test reaction must be examined by a trained health care worker. …

  4. Diagnosing von Willebrand Disease - CDC

    May 15, 2024 · This test also measures the time it takes for blood to clot. It measures primarily the clotting ability of factors I (1), II (2), V (5), VII (7), and X (10). If the level of any one of these …

  5. Waived Tests | Laboratory Quality | CDC

    Sep 11, 2024 · Waived tests include test systems cleared by the FDA for home use and those approved for waiver under the CLIA criteria. While CLIA requires waived tests to be simple …

  6. Laboratory Testing for Epstein-Barr Virus (EBV)

    Apr 10, 2024 · Monospot test. The Monospot test is not recommended for general use. The antibodies detected by Monospot can be caused by conditions other than infectious …

  7. Screening for Breast Cancer | Breast Cancer | CDC - Centers for …

    Sep 16, 2024 · Other potential harms from breast cancer screening include pain during procedures and radiation exposure from the mammogram test itself. While the amount of …

  8. Guidelines and Recommendations | HIV Partners | CDC

    May 6, 2025 · The 2017 technical update provides information on the use of the Alere Determine HIV 1/2 Ag/Ab Combo single use rapid test (Determine) in laboratories where it is not feasible …

  9. This is a TEST | State and Local Readiness | CDC

    Apr 15, 2024 · TEST is a collaborative game that bridges the gap between discussion and operational exercises. It uses narrative-based problems to foster teamwork, discuss resource …

  10. Screening for Prostate Cancer | Prostate Cancer | CDC

    Aug 27, 2024 · Prostate specific antigen (PSA) test. A blood test called a prostate specific antigen (PSA) test measures the level of PSA in the blood. PSA is a substance made by the prostate. …

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