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Which 2-hour glucose tolerance test result is in the diabetes range?

200 mg/dL or above.

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  1. 120 mg/dL
  2. 170 mg/dL
  3. 210 mg/dL ✔

Why: For this test, you fast overnight, drink a glucose liquid, and have your blood sugar checked. CDC says a 2-hour result of 200 mg/dL or above means diabetes.

Huh, didn't know that: A random blood sugar test also uses 200 mg/dL or above as the diabetes number.

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The glucose tolerance test: the only time a doctor hands you a sugary drink and says sit still.
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References

Answer: 210 mg/dL. For this test, you fast overnight, drink a glucose liquid, and have your blood sugar checked. CDC says a 2-hour result of 200 mg/dL or above means diabetes.

  1. CDC: Testing for Diabetes www.cdc.gov/diabetes/diabetes-testing/index.html
    200 mg/dL or above
    Checked 2026-10-09.

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