Quest Diagnostics

Frequently Asked Questions

What are the hours of operation at Quest Diagnostics?

Most Houston locations operate Monday to Friday from 7:00 AM to 5:00 PM, with some offering Saturday hours.

Can I get tested for food allergies?

Yes, Quest offers blood-based allergy panels for common food allergens and sensitivities.

Is genetic testing available?

Yes, Quest Diagnostics provides various genetic tests for health conditions, ancestry, and carrier status.

Do you offer drug and alcohol testing?

Yes, Quest offers DOT, non-DOT, and pre-employment drug and alcohol testing services.

Are biometric screenings for corporate wellness programs available?

Yes, Quest partners with employers to provide biometric screenings and health assessments.

Can I have my lab results sent to my physician?

Yes, results can be sent directly to your referring provider upon request.

Do you offer mobile phlebotomy services?

Quest offers mobile collection for certain programs or home-bound patients—call to verify availability in Houston.

Is prenatal testing offered?

Yes, Quest provides a range of prenatal and non-invasive pregnancy-related lab services.

Are there specific instructions for stool or urine sample drop-off?

Yes, follow all collection instructions provided with your kit and drop off at the front desk during business hours.

How do I contact customer service for billing questions?

You can reach Quest billing support via the MyQuest portal or by calling the billing department listed on your invoice.