There are several lab tests for hemophilia. However, the main tests detect the clotting activity of factors VIII and IX, which are proteins in the blood. Hemophilia is a bleeding disorder in which an ...

Mohana Ravindranath is a freelance health, science, and tech journalist and a 2025 Association for Health Care Journalists fellow. She was previously a Bay Area health tech correspondent for STAT.

The US Food and Drug Administration is proposing to step up its oversight of a growing category of medical tests called laboratory-developed tests. The FDA approves and clears many types of lab tests ...

Antigen tests are one type of rapid test that may help diagnose COVID-19. Some rapid tests can provide results in 15 minutes. But, they may not be as accurate as other types of tests, such as a PCR ...