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 ...

Recent expert guidance emphasizes that proper pre-test preparation — from fasting correctly to timing sample collection — can significantly improve the accuracy of lab results and help avoid delays.

This article was reviewed by Felix Gussone, MD. Preparing properly for lab tests helps ensure your results are accurate and reliable. Some tests — like fasting cholesterol or fasting glucose — require ...