The type of blood test a healthcare provider might order depends on what components in the blood are under scrutiny. Many people get blood tests regularly for a general update on the status of their ...

When the doctor orders lab tests, have you ever wondered how or who tests your tissue samples? Probably not. Most people never see the medical world beyond the examination or waiting rooms. There’s ...

Despite the boom in genetic tests available in US laboratories, oversight remains patchy. A survey of laboratory directors suggests that mandatory proficiency testing would result in fewer errors.

High levels of a hormone found in cells in the gut could underlie many cases of chronic diarrhea and help explain up to 40% of cases of patients with irritable bowel syndrome with diarrhea, according ...

The Food and Drug Administration on Monday finalized a rule to regulate most tests developed in a lab, in a move that observers expect will face legal challenges and prompt intervention from Congress.

ARLINGTON, MA - March 16, 2026 - PRESSADVANTAGE - Urine testing remains one of the most commonly used screening methods ...

Doctors may perform endoscopies to diagnose esophageal cancer. They may also order laboratory tests and other imaging tests, such as MRI and CT scans, to confirm the diagnosis and determine whether ...