IGF Binding Protein 3

The measurement of serum immunoreactive IGFBP-3 levels has been proposed as a screening test to identify children with growth hormone deficiency (GHD). We tested the sensitivity and specificity of the IGFBP-3 assessment in comparison with the measurement of IGF- I.

Specimen: Serum

Reference Values: 

1 Years Old: 0.7-3.6 μg/ml       
2 Years Old: 0.8-3.9 μg/ml       
3 Years Old: 0.9-4.3 μg/ml       
4 Years Old: 1.0-4.7 μg/ml       
5 Years Old: 1.1-5.2 μg/ml       
7 Years Old: 1.4-6.1 μg/ml       
9 Years Old: 1.8-7.1 μg/ml        
11 Years Old: 2.4-8.4 μg/ml       
12 Years Old: 2.7-8.9 μg/ml       
13 Years Old: 3.1-9.5 μg/ml       
14 Years Old: 3.3-10 μg/ml       
15 Years Old: 3.5-10 μg/ml        
16 Years Old: 3.4-9.5 μg/ml       
17 Years Old: 3.2-8.7 μg/ml       
18 Years Old: 3.1-7.9 μg/ml       
21-30 Years Old: 3.4-7.8 μg/ml               
31-40 Years Old: 3.5-7.0 μg/ml                   

Method: CLIA              

Loinc: 2483-6