IGF Binding Protein-2; Test not available - Review with provider for correct testing

Sunquest Code:IGF2BP  
Epic Code:LAB3566Epic Name:IGF Binding Protein 2
CPT Code:----------CPTCODES HERE----------
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 2-9 days.
Special Instructions:IGF-1 and/or IGFBP-3 are the recommended tests for assessment of growth hormone related disorders or growth hormone therapy. Ordering IGFBP-2 is not recommended for these patients.

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

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


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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