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Quest Diagnostics

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Texas Medical Board
Harris County Medical Society
American College of Gastroenterology
American Society for Gastrointestinal Endoscopy
Memorial hermann
Houston Methodist leading Medicine
HCA Houston Healthcare

Quest Diagnostics

About

Quest Diagnostics Houston provides high-quality lab work for allergy, metabolic, and chronic condition management, with trusted diagnostics for physicians and patients.

Services

  • Routine diagnostic testing
  • Drug and alcohol testing
  • Thyroid function testing
  • Immunization titers
  • Employer health screenings
  • Electronic results delivery

Map

Quest Diagnostics
17070 Red Oak Dr Suite 106, Houston, TX 77090

Frequently Asked Questions

What services are available at Quest Diagnostics in Houston?

Quest Diagnostics offers lab testing including blood work, urine analysis, allergy panels, hormone levels, and more.

Do I need an appointment for testing?

Appointments are recommended, but walk-ins are accepted at most Houston locations.

How can I get my test results?

You can access your results securely through the MyQuest patient portal or mobile app.

Does Quest Diagnostics accept insurance?

Yes, Quest works with most major insurance plans. Please verify coverage before your visit.

Can I order my own lab tests without a doctor?

Yes, you can order certain tests directly through QuestDirect without a physician’s referral.

Are pediatric lab services available?

Yes, Quest Diagnostics offers pediatric phlebotomy with trained staff for children.

What forms of ID are accepted at check-in?

A valid government-issued photo ID such as a driver's license or passport is required.

Can I cancel or reschedule an appointment?

Yes, appointments can be canceled or changed through your MyQuest account or by phone.

How do I prepare for a fasting test?

Typically, fasting for 8–12 hours is required. Water is allowed, but no food or drinks.

Is COVID-19 testing still available?

COVID-19 testing is no longer offered at all locations. Please call to confirm availability before visiting.