Jul 18, 2024 · This is especially true if you don't have symptoms. If you take an antigen test and are negative for COVID-19, take another antigen test after 48 hours to check the results. Tests …

3 days ago · Antigen tests also may be called rapid COVID-19 tests or at-home COVID-19 tests. These tests are useful if you need quick results. Antigen tests are accurate. But they're less …

Jun 14, 2025 · Stool antigen test. This common stool test looks for proteins called antigens related with H. pylori infections. Stool PCR test. A polymerase chain reaction (PCR) test also can find …

Mar 7, 2025 · Overview A CA 125 test measures the amount of the protein cancer antigen 125 in the blood. Cancer antigen 125 also is called CA 125. This test may be used to monitor certain …

Apr 29, 2025 · Overview The extractable nuclear antigen test, known as an ENA test, is a blood test that checks for proteins in your blood, also known as antibodies. The ENA test is used to …

Apr 30, 2025 · The PSA test is a blood test used primarily to screen for prostate cancer. The test measures the amount of prostate-specific antigen (PSA) in your blood. PSA is a protein …

Sep 22, 2025 · For the skin test, a small amount of aspergillus antigen is injected into the skin of your forearm. If your blood has antibodies to the mold, you'll develop a hard, red bump at the …

Nov 30, 2022 · Rapid antigen test. Your doctor may perform a rapid antigen test on a swab sample from your throat. This test can detect strep bacteria in minutes by looking for …

Aug 6, 2025 · The cancer antigen 125 (CA 125) blood test generally isn't recommended if you have an average risk of ovarian cancer. Sometimes ovarian cancer causes a higher level of …

Dec 17, 2024 · Prostate cancer screening often involves a blood test. Sometimes it also includes an exam of the prostate by a healthcare professional. Tests used for prostate cancer …