INSULIN-LIKE GROWTH FACTOR BINDING PROTEIN (IGFBP-3)

Test Documentation
Specimen Required
Draw blood in a SST. Centrifuge, separate and send 1.0 mL serum (0.2 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Gross hemolysis and gross lipemia

Methodology
ICMA

Stability
Room Temperature: Unacceptable; Refrigerated: 7 days; Frozen: 2 months

Reference Range
AGE   Reference Range (mg/L)  
<1 year:   0.5-1.4  
<2 years:   0.7-3.6  
<3 years:   0.8-3.9  
<4 years:   0.9-4.3  
<5 years:   1-4.7  
<6 years:   1.1-5.2  
<7 years:   1.3-5.6  
<8 years:   1.4-6.1  
<9 years:   1.6-6.5  
<10 years:   1.8-7.1  
<11 years:   2.1-7.7  
<12 years:   2.4-8.4  
<13 years:   2.7-8.9  
<14 years:   3.1-9.5  
<15 years:   3.3-10  
<16 years:   3.5-10  
<17 years:   3.4-9.5  
<18 years:   3.2-8.7  
<19 years:   3.1-7.9  
<20 years:   2.9-7.3  
<21 years:   2.9-7.2  
<26 years:   3.4-7.8  
<31 years:   3.5-7.6  
<36 years:   3.5-7  
<41 years:   3.4-6.7  
<46 years:   3.3-6.6  
<51 years:   3.3-6.7  
<56 years:   3.4-6.8  
<61 years:   3.4-6.9  
<66 years:   3.2-6.6  
<71 years:   3-6.2  
<76 years:   2.8-5.7  
<81 years:   2.5-5.1  
<=81:   2.2-4.5  

Performed
Tuesday, Friday

Turnaround Time5-7 days
Test CodeIGFB3
CPT-4 Code (s)
82397
LOINC Codes
2483-6

Warde
Medical
Laboratory