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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
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Houston Methodist leading Medicine
HCA Houston Healthcare

Quest Diagnostics

About

Quest Diagnostics Sugar Land provides diagnostic lab services including disease screening, hormone testing, and lipid panels, with secure result access via MyQuest.

Services

  • Routine and specialized lab testing
  • STD panels and HIV testing
  • Vitamin and mineral deficiency tests
  • Pre-surgical testing support
  • Wellness screenings and panels

Map

Quest Diagnostics
15259 Southwest Freeway, Sugar Land, TX 77478

Frequently Asked Questions

Can I use Quest Sugar Land for annual physical labs?

Yes, labs for physicals—including cholesterol, glucose, and complete blood counts—are processed here.

Do they support walk-ins without appointments?

Limited walk-ins are accepted, but appointments receive priority and faster service.

Can I bring lab orders from another state?

Yes, Quest accepts valid lab requisitions from licensed U.S. providers, regardless of state.

Is fasting required for diabetes screening?

Yes, for a fasting glucose test or glucose tolerance test, fasting may be needed.

What documents should I bring?

Bring your ID, insurance card, and any printed lab orders if not sent electronically.

Are services available for adolescents and teens?

Yes, phlebotomy for teens is supported. For children under 10, check location capability.

Is prostate health testing offered?

Yes, PSA and free PSA tests are available upon physician order or through QuestDirect.

Are results accepted by all healthcare systems?

Yes, Quest results are recognized nationwide and compatible with most medical records systems.

Is parking convenient at this location?

Yes, ample free parking is available close to the entrance with accessible access.

Can I bring someone with me to the appointment?

Yes, companions are allowed unless clinic policies temporarily limit visitors.