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A fasting blood test is a blood sample taken from a person who has not eaten for 8 to 12 hours. Usually, the blood sample is taken early in the morning.
Examples of blood tests that may be done after a period of fasting include fasting blood sugar (fasting plasma glucose) and lipid profile (cholesterol and triglycerides).
Current as of: December 19, 2019
E. Gregory Thompson MD - Internal Medicine & Adam Husney MD - Family Medicine & Matthew I. Kim MD - Endocrinology & David C.W. Lau MD, PhD, FRCPC - Endocrinology
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