Clinical Chemistry
Fasting Blood Sugar (FBS)
Fasting Blood Sugar (FBS) measures blood glucose after a period of fasting and is commonly used to assess blood sugar levels.
Salem Medical Laboratories
Clinical Chemistry
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About this test
Fasting Blood Sugar is a blood test used to measure the level of glucose in the blood after fasting. It is commonly used in the assessment of blood sugar levels and may form part of diabetes screening or monitoring.
Preparation
- - Fast for 8–12 hours before the test.
- - Plain water is allowed during the fasting period.
- - Have your last meal the night before the test.
What you'll need
- A blood sample is required. Fasting is required before sample collection.
What to do / avoid
- - Drink plain water if needed.
- - Avoid food, sugary drinks, alcohol, tea, coffee, chewing gum and smoking during the fasting period.