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 …
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 …
Laboratory Testing for CMV and Congenital CMV
Apr 15, 2024 · The enzyme-linked immunosorbent assay (ELISA) is the most common serologic test for measuring antibody to CMV. Tests for congenital CMV in newborns. Polymerase chain …
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 …
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 …
Screening for Cervical Cancer | Cervical Cancer | CDC
Feb 26, 2025 · The HPV test and the Pap test can help prevent cervical cancer or find it early. The HPV test looks for the virus (human papillomavirus) that can cause cell changes on the …
Clinical Testing and Diagnosis for Lyme Disease - CDC
May 15, 2024 · For more information, see: Updated CDC Recommendation for Serologic Diagnosis of Lyme Disease and APHL Guidance and Interpretation of Lyme Disease Serologic …
Clinical Testing and Diagnosis for Tuberculosis - CDC
Apr 17, 2025 · A diagnosis of latent TB infection is made if a person has a positive TB blood test or TB skin test result, and a medical evaluation does not indicate TB disease. A complete …
Clinical Testing and Diagnosis for CDI | C. diff | CDC
Mar 6, 2024 · This is the most sensitive test available and is most often associated with false-positive results because of the presence of nontoxigenic C. diff strains. However, testing …
Measles Serology Testing | Measles (Rubeola) | CDC
May 9, 2024 · Test turnaround-time for IgG avidity. The turnaround–time for testing specimens for IgG avidity is 30 working days after the delivery of the specimens to the measles reference lab …