Quest Diagnostics

Frequently Asked Questions

1. What is the number of hours that Quest Diagnostics is operating?

Most of the locations in Houston are open between 7:00 AM and 5:00 PM from Monday to Friday, and some locations are also open on Saturday.

2. Can I be tested on allergies to food?

Yes, Quest offers blood-based testing for common food allergens.

3. Does it undergo genetic testing?

Yes, Quest Diagnostics provides genetic testing for health risks, ancestry, hereditary disorders, and carrier status.

4. Are you an alcohol and drug tester?

Yes, Quest provides DOT and non-DOT drug and alcohol screening, including pre-employment and court-directed tests.

5. Are biometric screenings covered in corporate wellness programs?

Yes, Quest partners with employers to offer workplace biometric screenings and health checks.

6. Can I have my lab results transferred to my doctor?

Yes, your results can be sent electronically to your referring provider at any time.

7. Do you have mobile phlebotomy services?

Yes, mobile collection is available for certain programs and home-bound patients, with secure access in Houston.

8. Is prenatal testing offered?

Yes, Quest provides a variety of prenatal and pregnancy-related tests.

9. Are there drop-off instructions for stool or urine samples?

Yes. Follow the instructions that come with your kit and drop off samples at the front desk during business hours.

10. What is the contact number for customer care regarding billing inquiries?

You can use the MyQuest portal for billing services or call the number listed on your bill.

11. Is it possible to have testing ordered without a physician?

While many tests require a physician’s order, Quest also offers consumer-initiated testing that can be purchased without seeing a doctor.

12. How quickly will I receive my test results?

Most routine lab tests are available within 1–3 business days. Specialized or genetic tests may take longer.

13. Does Quest Diagnostics accept insurance?

Yes, Quest works with most major insurance plans, including Medicare and Medicaid. Coverage varies by test, so your local center can help verify details.

14. Does Quest Diagnostics perform lab tests on children?

Yes, many Quest locations are equipped for pediatric blood draws and have trained staff to work with children.

15. Can I view my test results online?

Yes, you can securely view, store, and share your results through the MyQuest portal or mobile app.