Reviewed: 13. Juli 2026
IGF-1 Insulin-like Growth Factor 1 (IGF-1)
Unit: ng/ml
Quick Explanation
IGF-1 reflects growth hormone activity and is used to assess growth disorders in children as well as suspected pituitary over- or underactivity in adults. The reference range is strongly age-dependent.
📊 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
- ·Overproduction of growth hormone (acromegaly)
Value too low — possible causes
- ·Growth hormone deficiency
- ·Malnutrition
- ·Chronic diseases
This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.
🩺 Questions for Your Doctor
- →What does my IGF-1 value mean for my growth hormone function?
- →Are further hormone tests useful?
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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.