Learn about the many tests and examinations your blood sample undergoes in a lab. Giving a blood sample during a doctor’s visit is a common procedure. Discover the dizzying array of automated tests ...

Blood samples are accepted from 7 am Monday through 11 am Friday. For pediatric patients, draw requirements are as follows. They are the minimum sample volumes required. These are guidelines for ...

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 ...

Researchers have known for decades that different brands of lab machines produce different results. The fix is easy — but not ...