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 ...

If you’ve ever wondered why your doctor asks you to do a blood test or provide a urine sample at your annual checkup even if you’re feeling perfectly fine, that’s exactly the point. Lab test results ...

The numbers and reference ranges on lab results can be confusing to contextualize on your own. Your healthcare provider can help by interpreting what they mean for you based on your medical history ...