In the clinical laboratory: 1. a test's ability to correctly exclude individuals who do not have the given disease or disorder; 2. a test's ability to correctly detect or measure only the substance of interest and exclude other substances
Lipids are fats and fat-like substances that are important parts of cells and sources of energy. A lipid panel measures the level of specific lipids in blood to help assess someone's risk of cardiovascular disease (CVD).
A study found that screening for Epstein-Barr virus DNA in the blood is useful in detecting early nasopharyngeal cancer in asymptomatic, high-risk people.
Pancreatic cancer is one of the deadliest types of malignancies. A new blood test could change that by detecting pancreatic cancer in its earliest stages.
In this article, you can learn about laboratory-developed tests, also called "LDTs", that are developed, evaluated, and validated within one particular laboratory. They are not distributed or sold to any other labs or healthcare facilities to perform on their own. Often, a lab will choose to develop and use an LDT because a commercial test is not currently available.
A new, 'next-generation' test that measures a patient's blood level of cardiac troponin and speeds up the time it takes to diagnose heart attacks was recently cleared by the U.S. Food and Drug Administration.
The CDC has issued a travel alert for more than 20 countries, primarily in South and Central America and the Caribbean, because of an outbreak of Zika virus, an infection spread by mosquitos. Pregnant women are advised to postpone travel to these areas following reports of microcephaly in babies born to mothers who were infected with the Zika virus while pregnant. Photo source: CDC , James Gathany
A new experimental test that detects antibodies to a panel of cancer antigens in some patients with melanoma may eventually provide a way to detect early stage melanoma.