Insulin Like Growth Factor-1 (IGF-1) Test
- Category
- Hormones
- Sample
- Blood sample taken from a vein in your arm
- Reports () Terms & Conditions Report time varies with time of sample collection.
- In 6 days
- Fasting
- No Fasting
- Age
- 5+ Years
What Is This Test?
Measures insulin-like growth factor-1 (IGF-1), which reflects average growth hormone activity.
Why this test is performed?
Used to screen for growth hormone deficiency in children and acromegaly in adults, and to monitor treatment.
Who should take this test?
Symptoms suggesting hormonal imbalance — weight change, fatigue, BP changes, growth problems — usually as advised by a doctor.
Test Preparation
No fasting needed.
Medical disclaimer · for information only, not medical advice
This article is for general information and education only. It is not medical advice, does not create a doctor–patient relationship, and is not a substitute for consultation with a qualified doctor who has assessed your individual situation. Never delay seeking medical advice because of something you have read here.
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- Report time: In 6 days
- No fasting
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Frequently asked questions
IGF-1 is stable through the day, while GH rises and falls in bursts.
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Blood sample taken from a vein in your arm.
Usually within 4–5 days after the sample reaches the lab. You will receive the report online.
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