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Laboratory Blog
Blood Test Preparation
Clear, practical guidance to help you feel prepared for routine blood work and follow your care team's instructions.
Patient Guide
Fasting Before a Blood Test: What to Know
Need fasting blood work? Learn how long to fast, what you can drink, when fasting is needed, and what to ask before your blood draw.Read article →
Patient Guide
Can You Take Medication Before a Fasting Blood Test?
Do not change medication on your own. Learn what to ask about prescriptions, diabetes medicine, vitamins, and water before fasting blood work.Read article →Patient Guide
Can You Brush Your Teeth Before a Fasting Blood Test?
What to know about brushing, toothpaste, water, mouthwash, and following your own fasting instructions.Read article →
Patient Guide
Can You Drink Coffee Before a Fasting Blood Test?
Why plain water is the safest choice before fasting blood work, and what to do if you already had coffee.Read article →
Patient Guide
Can You Chew Gum Before a Fasting Blood Test?
Accidentally chewed gum before a fasting blood test? Do not assume the test is ruined. Tell the lab or ordering clinician what and when you chewed.Read article →Patient Guide
Can You Smoke Before a Fasting Blood Test?
If your instructions require fasting, avoid smoking and follow the specific preparation directions from your care team.Read article →Patient Guide