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Ready, set, runny nose. Select allergy tests now 20% off. Terms Apply.

Quest mobile™ comes to you. skip the trip with in-home sample collection. .

Prioritize your health and maximize your time with lab testing that fits your life and schedule.

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Making a difference every single day, does fluffy make you stuffy, know with new quest allergy tests available at questhealth.com.

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QUEST MOBILE™ COMES TO YOU

In-home sample collection & personalized care, wherever you call home. .

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The Quest Diagnostics difference

Bringing together quality, speed, and technology to power advanced, affordable diagnostics for all. No trade-offs required.

Make or change an appointment

It's easy to schedule or reschedule lab tests for the time and place that's most convenient for you.

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With more than 2,250 locations, there is a Quest Patient Service Center near you.

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How do I schedule an appointment for lab testing?

Appointments can be scheduled after making a purchase. Once your purchase is complete, return to www.questhealth.com and click the “Schedule appointment” text on the right side of the top navigation bar. Answer the associated questions to find a Quest Diagnostics location near you and book an appointment. Enter your information, including your address and contact details. Then, review your appointment details and click the “Schedule appointment” button.

You can schedule an appointment in our appointment scheduler .

Already have an appointment? View, change or cancel here .

If you have your appointment confirmation email, you can reschedule or cancel your appointment via the link in the email.

No. Your purchase will remain valid for 60 days after purchase. You can reschedule an appointment at any time before it expires. See our Expiration Policy here .

Please be aware that when you visit a Quest Diagnostics Patient Service Center:

Scheduled appointments are strongly encouraged and will receive priority. If you walk in, you will have to wait for the next available opening. Please arrive and check in 10 minutes before your appointment time. If you check in more than 10 minutes late for your appointment, you will be served as a walk-in.
If you walk in, you will have to wait for the next available opening.
Masks or face coverings are required while in a patient service center, even if you got a COVID-19 vaccination.

Note: If you have severe symptoms such as a high-grade fever of 102° F that has lasted for 48 hours or severe and constant shortness of breath, please see your doctor before making an appointment.

Protecting your health is more important than ever. Quest Diagnostics Peace of Mind program makes it easier and safer to access the routine testing you need. For more information, click here .

Fasting is where you do not eat or drink anything except water before having a lab test – usually for 8 hours or more. If you have prescription medications, you should continue taking them during this time. Please visit www.QuestDiagnostics.com/patients/get-tested/prepare/fasting for additional fasting information.