Lab reports list many values, units and reference ranges. These guides walk through common tests such as the CBC, metabolic panel and lipid panel, explain how to read a report, and clarify which tests need fasting beforehand.

Getting a lab report back full of abbreviations, reference ranges, and unfamiliar units is a common source of quiet anxiety

instruction to fast before a blood test is one of the most common pieces of pre-appointment guidance and one of the most commonly misunderstood.