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  • male
  • 50 Years
  • 10/05/2022

How is Diabetes mellitus diagnosed?

Doctor 1

Answered by 1 Apollo Doctors

Fasting blood sugar of 126 mg/dl or more, post prandial blood sugar of 200 or more with glycated hemoglobin of 6.5% or more.

Dr. Ibrahim Suggests...

Consult a Endocrinologist

Answered 04/07/2025

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  1. Understanding Diabetes Mellitus Diagnosis

    • Diagnosis aims to identify diabetes early to prevent complications.
  2. Common Diagnostic Tests

    • Fasting Plasma Glucose (FPG) Test: Measures blood sugar after fasting.
    • Oral Glucose Tolerance Test (OGTT): Assesses body's response to sugar.
    • Glycated Hemoglobin (HbA1c) Test: Indicates average blood sugar over 3 months.
    • Random Plasma Glucose Test: Checks blood sugar at any time.
  3. Diagnostic Criteria

    • FPG: ≥126 mg/dL indicates diabetes.
    • OGTT: ≥200 mg/dL after 2 hours indicates diabetes.
    • HbA1c: ≥6.5% indicates diabetes.
  4. Additional Considerations

    • Repeat testing may be needed for confirmation.
    • Consult healthcare professionals for accurate diagnosis.
  5. Related Medical Specialties

    • Endocrinologists and general physicians manage diabetes care.
  6. Patient Guidance

    • Prepare by fasting if required and follow instructions for accurate results.

Recommended next steps

Consult a Endocrinologist or Take a Glucose Fasting and PP Test Test

Answered 20/08/2025

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I'm a bit concerned about my blood sugar levels. My latest HbA1c result was 5.2 and my fasting blood sugar was 104, with a mean plasma glucose of 102.5. I'm trying to figure out if these numbers are within the normal range or if I should be worried. Could you help clarify this for me?

A fasting blood sugar level of 104 mgdL is slightly above the normal range. The normal range for fasting blood sugar is typically considered to be less than 100 mgdL. Since your HB1AC is 5.2, which is within the normal range, and your mean plasma glucose is 102.5 mgdL, it is recommended to monitor your blood sugar levels closely. You may consider making lifestyle changes such as increasing physical activity and following a healthy diet. In some cases, medication such as Metformin may be prescribed to help manage blood sugar levels.

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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.