Testing for COVID-19 | COVID-19 | CDC - Centers for Disease Control and . . . 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 testing site Read self-test package inserts thoroughly and follow the instructions closely when performing the test When you get tested
Clinical Testing and Diagnosis for Tuberculosis 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 The health care worker measures any swelling where the tuberculin was injected to determine if the reaction to the test is positive or negative
Laboratory Testing for Epstein-Barr Virus (EBV) Monospot test The Monospot test is not recommended for general use The antibodies detected by Monospot can be caused by conditions other than infectious mononucleosis Moreover, studies have shown that the Monospot produces both false positive and false negative results
Clinical Testing Guidance for Tuberculosis: Tuberculin Skin Test If the TB skin test is used for baseline testing of U S health care personnel, use two-step testing Two-step testing If the first TB skin test result is negative, a second TB skin test should be done 1 to 3 weeks later If the second TB skin test result is positive, it is probably a boosted reaction
A1C Test for Diabetes and Prediabetes | Diabetes | CDC The A1C test is done in a doctor's office or at a lab You will have a blood sample drawn from your finger or arm You don't need to fast before an A1C test, but your doctor may run other tests like cholesterol at the same time that might require fasting Testing Get an A1C test if you're over age 45
Ready? Set? Test! - Centers for Disease Control and Prevention 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 Check and record expiration dates of reagents and test kits Discard any expired reagents or test kits
Testing for Tuberculosis | Tuberculosis (TB) | CDC Understanding TB blood test or TB skin test results A positive test result for TB infection means you have TB germs in your body Your health care provider will do other tests to determine if you have inactive TB or active TB disease These tests may include a chest x-ray, and a test of the sputum (phlegm) you cough up
Screening for Genital Herpes | Genital Herpes | CDC The chances of wrong test results are higher for people who are at low risk of infection Blood tests might be useful if: You have genital symptoms that could be related to herpes You have (or have had) a sex partner with genital herpes Your provider found signs of herpes, but you still need a test to confirm it
Diabetes Testing | Diabetes | CDC - Centers for Disease Control and . . . Glucose screening test This measures your blood sugar at the time you're tested You'll drink a liquid that contains glucose Then, 1 hour later your blood will be drawn to check your blood sugar level A normal result is 140 mg dL or lower If your level is higher than 140 mg dL, you'll need to take a glucose tolerance test Glucose tolerance
Clinical Testing Guidance for Tuberculosis: Interferon Gamma Release . . . Errors in running and interpreting the test can decrease the accuracy of TB blood tests and lead to false-positive results Health care providers should perform the test according to the manufacturer’s instructions False-negative results Some people have a negative TB blood test result even though they are infected with TB bacteria