Your Lab Testing at Quest Diagnostics

Scheduling Your Appointment

1. Your lab order has already been sent to Quest. You do not need to bring anything with you or request a paper order.
2. Find a Quest location near you and schedule your appointment at questdiagnostics.com/locations/search.
3. Choose a time that works with the fasting instructions below.

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Fasting Instructions

Your labs require fasting for at least 8 hours beforehand. This means no food during that window.

Water and other non-caloric beverages, such as black coffee or plain tea with no cream or sugar, are fine to drink before your appointment.

Morning appointments are usually the easiest way to complete an 8 hour fast, since most of it happens overnight while you sleep.

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Getting Your Results

Turnaround time varies by test. Some labs are ready within a day, while others can take up to a week.

Once Onsera receives your results, your clinician will review them and reach out to you directly to discuss what they mean for your care.

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Questions?

If you have any questions before your appointment, message your care team through the Onsera app or contact Quest directly at 866-MYQUEST.