Antigen tests are one of several methods for detecting coronavirus infections. Learn about how antigen tests work, when they are used, and their pros and cons.
The complete blood count is an essential test that counts the number, size, and types of cells in your blood. It provides an indication of your overall health.
Learn about pertussis, commonly known as whooping cough, a highly contagious infection of the respiratory tract, and the laboratory tests used to diagnose whooping cough.
Fibrinogen testing can be used for diagnosing, monitoring, and screening for a number of conditions that affect blood clotting. Learn more about how the test is used.
Human T-lymphotropic virus (HTLV) infection is associated with certain rare diseases of T lymphocytes (T-cells). HTLV testing detects an HTLV infection.
Human epididymis protein 4 (HE4) is a protein that is produced by most, but not all, epithelial ovarian cancer cells. An HE4 test may be used along with CA-125 for women who have been treated for epithelial ovarian cancer to monitor the effectiveness of treatment and for recurrence of the cancer.
