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Overview of Testing for SARS-CoV-2 | COVID-19 | CDC
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.
Testing for COVID-19 | COVID-19 | CDC
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 you. These locations may ...
Fit Testing | Personal Protective Equipment | CDC
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.
Laboratory Testing for Epstein-Barr Virus (EBV)
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.
Ready? Set? Test! - July 2025
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.
Testing and Diagnosis for Lyme disease | Lyme Disease | CDC
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 erythema migrans rash, but FDA-cleared ...
Clinical Testing and Diagnosis for Tuberculosis
For more details on interpreting TB skin test results, please visit Clinical Testing Guidance for Tuberculosis: Tuberculin Skin Test. TB skin results should only be read by a trained health care professional. Consult with your state and local public health authorities to determine who is authorized to place and read TB skin tests in your state.
Take the Test - Prediabetes | Diabetes | CDC
Take this 1-minute test to find out your risk for prediabetes. Now is the time to join forces with the CDC-recognized program to prevent or delay type 2 diabetes.
This is a TEST | State and Local Readiness | CDC
This is a TEST (TEST) is a training and exercise simulation tool designed to foster collaborative emergency preparedness activities. It uses collaborative game theory and adult learning principles to increase engagement and knowledge retention.
Clinical Testing and Diagnosis for Lyme Disease
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 (FDA).
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