Estradiol: 2-14 ng/dL (female, follicular); 2-16 ng/dL (female, luteal); <3.5 ng/dL (postmenopausal); 1.5-5 ng/dL (male) ...

The numbers and reference ranges on lab results can be confusing to contextualize on your own. Your healthcare provider can ...

The properties of the blood and the ease of its retrieval make it a useful source for doctors to analyze to measure specific features of homeostasis within patients. This allows for accurate diagnosis ...

Laboratory Reference Values Case Records of the Massachusetts General Hospital, N Engl J Med 2004:351;1548-1563. On page 1560, in the continuation of the table entitled Metabolic and Endocrine Tests, ...

Run-of-the mill? Middle of the road? Typical? The chance that you are correct is vanishingly small. If you're a clinician, like me, you get a LOT of medical questions. While we've all been asked to ...

What makes a biomarker a biomarker? Testing for something doesn’t automatically make it a biomarker. A biomarker is the measurement or detection of a variable element of the human body. Imaging can ...