Resumen de When Medical Tests Mislead.
The article reports the U.S. Food and Drug Administration (FDA) will increase regulation of lab-developed tests (LTD) and close a loophole which means they don't have to be evaluated for medical usefulness or have research on them made public. It comments on false diagnoses in 20 different types of LTDs including tests analyzing blood for the presence of the protein CA 125 which offers no proven benefit in cancer diagnoses. It mentions the FDA will divide LTDs into medical risk categories.
