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2-hour 75-gram Oral Glucose Tolerance Test (OGTT)

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2-hour 75-gram Oral Glucose Tolerance Test (OGTT)

Accredited Facility E-report Qualified Specialists

This test evaluates how efficiently the body metabolizes glucose after ingestion of a standardized 75g glucose solution. It is used to diagnose diabetes mellitus, impaired glucose tolerance, and gestational diabetes.

  • To diagnose diabetes or prediabetes.
  • During pregnancy screening for gestational diabetes.
  • If fasting blood glucose is borderline or unclear.
  • When symptoms of high blood sugar occur.
  • As part of metabolic health assessment.
  • Fasting for 8–12 hours is required.
  • Normal diet and activity for 3 days before the test.
  • No smoking, alcohol, or intense exercise before testing.
  • Blood samples are taken before and 2 hours after glucose intake.
  • Follow all laboratory instructions carefully.
    • 2-hour 75-gram Oral Glucose Tolerance Test (OGTT)
    No labs currently offering this test.