IGF Binding Protein-2


Sunquest Code:IGF2BP  
Epic Code:LAB3566Epic Name:IGF BINDING PROTEIN 2
Synonyms:IGFBP-2
Methodology:Radioimmunoassay
CPT Code:83519
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 2-9 days.
Special Instructions:Overnight fasting is preferred.
Compliance:

This test was developed and its performance characteristics determined by Quest Diagnostics Nichols Institute, San Juan Capistrano. Performance characteristics refer to the analytical performance of this test.



Collection Instructions

Specimen:Blood
Optimal Volume:2.0 mL
Minimum\Peds Volume:0.6 mL
Container:Red (no gel) (Red or gold (gel))
Causes for Rejection:Gross hemolysis or lipemia. Sample received at room temperature.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.2 mL minimum. Freeze.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (Quest)
Referral Lab number:37102X


Interpretive

Reference Range:

 

5-9 y

49-208 ng/mL

10-13 y

41-167 ng/mL

14-17 y

37-135 ng/mL

18-49 y

38-267 ng/mL

49 y and older

47-350 ng/mL

Reference ranges are not established by the reference laboratory for patients under 5 years of age.

 

Use:The concentration of IGFBP-2 is inversely correlated with changes in growth hormone (hGH) secretion. IGFBP-2 may also be used as a marker of metastatic prostatic carcinoma.


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