Testing for COVID-19 | COVID-19 | CDC
Mar 10, 2025 · Getting a COVID-19 test Buy self-tests (at-home tests) Buy self-tests (at-home tests) online or in pharmacies and retail stores. If you have health insurance, it may reimburse the cost of purchasing self-tests. Visit FDA's website for a list of authorized tests. Go to a testing location Visit a community-based testing location, such as a pharmacy or health center near …
Overview of Testing for SARS-CoV-2 | COVID-19 | CDC
Aug 29, 2024 · This overview describes current information on the types of tests used to detect SARS-CoV-2 infection and their intended uses. This information is intended for use by healthcare providers, public health professionals, and those organizing and implementing testing in non-healthcare settings.
Fit Testing | Personal Protective Equipment | CDC
Feb 3, 2025 · The test is a pass/fail test that determines whether you can detect a test agent, such as through taste, smell, or an involuntary cough. The OSHA-accepted fit test protocols provide complete instructions for conducting qualitative fit tests with the accepted test agents. NIOSH does not endorse or recommend the use of the irritant smoke fit test.
Testing and Diagnosis for Lyme disease | Lyme Disease | CDC
May 15, 2024 · Laboratory testing CDC recommends the use of FDA-cleared antibody tests for laboratory diagnosis of Lyme disease. As with antibody tests for other infectious diseases, the accuracy of these tests depends upon how long you've been infected. Antibody tests may appear falsely negative during the first few weeks of infection, typically when a patient has an …
Recommended Actions Based on Blood Lead Level
6 days ago · CDC recommends testing blood for lead exposure. A patient’s blood lead level (BLL) is measured in micrograms of lead per deciliter of blood (μg/dL). Healthcare providers should follow recommendations based on initial screening capillary and confirmed venous BLLs. Learn more about the recommended actions after a blood lead level test.
Laboratory Testing for Epstein-Barr Virus (EBV)
Apr 10, 2024 · Laboratory testing can help distinguish whether someone is susceptible to EBV infection or has a recent or past infection. Healthcare providers can test for antibodies to specific EBV-associated antigens. Monospot test is not recommended for general use.
Placing test strips on a moist or newly cleaned surface may damage the strip and cause incorrect results. Check and record temperatures of the testing, reagent, and test kit storage areas. See Appendix B for examples of daily temperature logs. Check inventory regularly to ensure you have enough reagents, test kits, and supplies for testing.
Clinical Testing and Diagnosis for Lyme Disease
May 15, 2024 · Laboratory diagnosis of Lyme disease relies on serologic testing for antibodies to Borrelia burgdorferi. CDC recommends a two-step serologic testing process using FDA-cleared assays. Serologic assays may be falsely negative during the first 4-6 weeks after infection. Before CDC will recommend new tests, they must be cleared by the Food and Drug Administration …
Waived Tests | Laboratory Quality | CDC
Sep 11, 2024 · Waived test results, such as prothrombin time and glucose levels, adjust medication dosages for anticoagulant therapy and diabetes. In addition, erroneous results from diagnostic tests, such as those for human immunodeficiency virus (HIV) antibody, can have unintended consequences.
Laboratory Testing for CMV and Congenital CMV
Apr 15, 2024 · The enzyme-linked immunosorbent assay is the most common serologic test for measuring antibody to CMV. Congenital CMV infection cannot be diagnosed with antibody testing (IgG and IgM). The standard laboratory test for diagnosing congenital CMV infection is a PCR on saliva, with a confirmatory test on urine.