This article was reviewed by Darragh O’Carroll, MD. Understanding Blood Tests: How They Work and What They Can Tell You Blood tests are one of the … ...

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.

Rodney E. Rohde has received funding from the American Society of Clinical Pathologists, American Society for Clinical Laboratory Science, U.S. Department of Labor (OSHA), and other public and private ...

Quest Diagnostics may be the preferred lab your health insurance, doctors, or specialists use for blood work or other samples. We’re reviewing its sub-brand Quest Health, from which you can order your ...