Medical laboratory scientists collect samples and perform lab tests, calibrate and maintain equipment, and perform statistical analysis. Their work is crucial for clinicians to diagnose diseases.

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 ...

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.