Reviewed: 16. April 2026
BZ Fasting Blood Glucose
Unit: mg/dl
Quick Explanation
Fasting blood glucose measures blood sugar concentration after at least 8 hours without eating. Values above 126 mg/dl may indicate diabetes, values between 100 and 125 mg/dl suggest prediabetes. Discuss elevated values with your doctor.
📊 Reference Values
ℹ️ Reference ranges may vary slightly between laboratories. Always compare your value with the reference range from your own lab report.
🔍 Possible Causes
Value too high — possible causes
- ·Diabetes mellitus
- ·Insulin resistance
- ·Stress response
- ·Certain medications (e.g. corticosteroids)
Value too low — possible causes
- ·Too much insulin
- ·Certain medications
- ·Fasting after exercise
- ·Rare conditions
This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.
🩺 Questions for Your Doctor
- →Should I have an oral glucose tolerance test?
- →Do I have diabetes or prediabetes?
- →What dietary changes would help me?
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Medical Disclaimer
The content on this page is for general information only and does not replace professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist for health-related questions. Lab values should always be assessed in the context of your personal medical history.