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Blood Glucose (Fasting)

Measures fasting blood sugar levels after an overnight fast to screen for diabetes and prediabetes.

Turnaround: 2-3 hours Sample: Blood

Test Overview

The fasting blood glucose test evaluates how effectively the body regulates glucose after a fasting period. It is commonly used in screening programs, routine checkups, and follow-up for patients at risk of metabolic disease.

Parameters Measured

Fasting Glucose
Direct serum glucose measurement
Normal Range: 70-99 mg/dL
Prediabetes Indicator
Flags borderline elevated fasting levels
Normal Range: 100-125 mg/dL
Diabetes Threshold
Marked as critical for physician review
Normal Range: >=126 mg/dL

When is this test recommended?

Routine diabetes screening
Evaluation of symptoms such as excessive thirst or frequent urination
Follow-up for patients with prediabetes
Metabolic health assessment during annual checkups

Preparation Instructions

  • Fast for 8-10 hours before sample collection.
  • Drink water only during the fasting period.
  • Inform the laboratory about any diabetes medication you are taking.

Frequently
asked questions

Blood Glucose (Fasting) helps the laboratory and treating physician review the relevant markers for this test in a clinically structured way.

This test is usually performed on Blood, and results are typically available within 2-3 hours.

Fasting required for 8-10 hours.

Direction → Directions

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Benghazi Main Branch

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Jamal Abdel Nasser Street, near Al Hawari district, Benghazi

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+218 91 000 1122

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benghazi@alsaleemlabs.demo