GastroDoxs labs provide a wide range of diagnostic tests, including blood work, stool tests, liver function tests, H. pylori tests, and food sensitivity screenings to evaluate digestive health.
Labs
Find a Lab Near You, we understand the importance of easy access to reliable lab services for accurate diagnosis and treatment. Our curated list of labs in Houston connects you with state-of-the-art facilities and skilled professionals dedicated to supporting your healthcare needs.
Lab Locations










Quest Diagnostics - Houston Laboratory Facility
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5850 Rogerdale Road, Houston, TX 77072


Quest Diagnostics, Inc. (this location is not a PSC)
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5850 Rogerdale Rd, Houston, TX 77072
Frequently Asked Questions
Yes, most tests require a physician's order to ensure the appropriate tests are performed for your symptoms and medical history.
Preparation depends on the test. Some require fasting for 8-12 hours, avoiding certain medications, or collecting a stool sample at home. Instructions will be provided when you schedule your test.
Most routine lab results are available within 24-72 hours, while specialized tests may take longer. Your doctor will review the results and discuss them with you.
Same-day testing is available for certain urgent tests. Please call ahead to confirm availability.
