Jul 18, 2024 · Risks A COVID-19 diagnostic test can have a false-negative result. This means that the test didn't show you have the virus even though you do. You risk spreading the virus to others if you …

Oct 24, 2025 · How do I get a COVID-19 diagnostic test? In the United States, at-home COVID-19 tests are available from several sources, including stores, pharmacies or online.

Aug 9, 2025 · Depending on the test results, you may need more tests or medical appointments. Results Neurological testing can show: Whether there is an issue with your nervous system. Where the issue …

Apr 30, 2025 · The PSA test can detect high levels of PSA in the blood but doesn't provide precise diagnostic information about the condition of the prostate. The PSA test is only one tool used to …

Jul 12, 2024 · The fecal occult blood test is typically done every year. The fecal occult blood test is one of several colon cancer screening tests available. Talk with your healthcare team about which tests …

Sep 20, 2025 · Blood sugar test. Because low blood sugar is sometimes associated with dumping syndrome, an oral glucose tolerance test may be done. This test measures your blood sugar level at …

Feb 9, 2024 · Most rapid HIV tests are antibody tests. This includes self-tests done at home. You may not show a positive result on an antibody test until 3 to 12 weeks after you've been exposed to HIV. …

Nov 30, 2022 · A different antibody test requires a longer result time, but can detect the disease even within the first week of symptoms. White blood cell count. Your doctor may use other blood tests to …

Apr 24, 2025 · TB tests Your healthcare professional will order tests if: Tuberculosis is suspected. You were likely exposed to a person with active TB disease. You have health risks for active TB disease. …

Dec 13, 2024 · The test can detect brain tissue damaged by an ischemic stroke and brain hemorrhages. Sometimes a dye is injected into a blood vessel to view the arteries and veins and highlight blood …