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....
https://www.cdc.gov/covid/hcp/clinical-care/overview-testing-sars-cov-2.html
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 ......
https://www.cdc.gov/covid/testing/index.html
Recommended Actions Based on Blood Lead Level
...CDC recommends testing blood for lead exposure. A patient?s blood lead level (BLL) is measured in micrograms of lead per deciliter of blood (?g/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....
https://www.cdc.gov/lead-prevention/hcp/clinical-guidance/index.html
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....
https://www.cdc.gov/epstein-barr/php/laboratories/index.html
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....
https://www.cdc.gov/niosh/ppe/respirators/fit-testing.html
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)....
https://www.cdc.gov/lyme/hcp/diagnosis-testing/index.html
Clinical Testing Guidance for Tuberculosis: Tuberculin Skin Test
...The TB skin test (also known as the Mantoux tuberculin skin test or TST) is one method of determining whether a person is infected with TB bacteria. Reliable administration and reading of the TB skin test requires standardization of procedures, training, supervision, and practice....
https://www.cdc.gov/tb/hcp/testing-diagnosis/tuberculin-skin-test.html
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....
https://www.cdc.gov/lab-quality/docs/ReadySetTest_2025_final_508c.pdf
Baseline Tuberculosis Screening and Testing for Health Care Personnel
...TB screening for health care personnel includes a risk assessment, symptom evaluation, and TB test....
https://www.cdc.gov/tb-healthcare-settings/hcp/screening-testing/baseline-testing.html
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....
https://www.cdc.gov/tb/hcp/testing-diagnosis/index.html