IGF Binding Protein 3 (IGFBP-3) Blood Test

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Feature	Labcorp	Quest Diagnostics
Price	$50.49	$28.99
Results in	~3 business days	~5 business days
Sample type	Blood Serum	Blood Serum
Require fasting	No	No

About the test

IGF-BP3 (Insulin-like Growth Factor Binding Protein 3) is the main binding protein for IGF-1 in circulation. It regulates the availability and activity of IGF-1, playing an important role in growth and cell development, and is often measured alongside IGF-1 to assess growth hormone function.

Included biomarkers & Reference ranges

Biomarker	Reference range
IGF Binding Protein 3 (IGFBP 3) A protein that binds and regulates IGF-1. Tested alongside IGF-1 to evaluate growth hormone-related conditions.	—

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

How it works

1. Order online No referral or insurance
2. Get a requisition By email in 24–72 hours
3. Visit a draw center Bring a matching photo ID
4. Get results Securely by email

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consultations

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Schedule a consultation with a Hormunity specialist. We’ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

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