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 ...

COPD requires regular monitoring through tests like spirometry to assess the condition’s severity and aid in an individualized treatment plan. COPD is a progressive lung condition that makes breathing ...

Medically reviewed by Benjamin Leach, MD Key Takeaways MCHC measures how much hemoglobin is in red blood cells.Low MCHC can be a sign of iron deficiency anemia.High MCHC may indicate different types ...

Your kidney function test results are a measure of how well your kidneys are working to filter your blood and remove excess water and waste from the body. For example, the estimated glomerular ...

If adults have nucleated red blood cells (NRBCs) in their blood, it’s usually a sign of a life threatening condition. The optimal NRBC count is 0. Even very low NRBC counts could cause a doctor to ...

Bonsack is a patient advocate based in Moab, Utah. In the midst of a health crisis a few years ago, doctors repeatedly checked my thyroid-stimulating hormone (TSH), revealing an odd pattern: My test ...

Brody H. Foy does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...