This article was reviewed by Felix Gussone, MD. In this guide, we’ll break down what most biomarker lab tests measure, how to prepare for them, and what to do once you receive your results. Not ...

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 … ...

This article was reviewed by Darragh O’Carroll, MD. Pros, Cons & Benefits of At-Home Lab Testing You probably don’t have time (or want to) to sit … ...

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 ...

Take glycated hemoglobin (HbA1c) for example—the HbA1c test revolutionized the way we diagnose and manage diabetes because it ...

A blood osmolality test measures the blood for the concentration of certain dissolved particles. This test can show whether a person has an irregular balance of fluids in their body. Osmolality tests ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...

Hims & Hers—the virtual care platform with about 2.5 million subscribers—will now offer laboratory testing through Quest Diagnostics. Customers will have access to more than 120 biomarker tests across ...