IGF Binding Protein 2

IGF Binding Protein 2, IGFBP2, Insulin Like Growth Factor Binding Protein 2

Test Codes

Order Reference Lab Miscellaneous Send Out: EPIC: LAB848, Beaker: Ref. Lab Misc., ARUP: 0098842

Department

Send Outs

Specimen Collection Criteria

Collect (preferred specimen): One plain Red-top tube.

Also acceptable: One Gold-top SST tube.

Physician Office/Draw Specimen Preparation

Centrifuge to separate serum from cells within one hour of collection. Transfer serum to a plastic transport tube and freeze (-20°C/-4°F or below).

Preparation for Courier Transport

Transport: 1.0 mL serum, frozen (-20°C/-4°F or below). (Minimum: 0.2 mL)

Rejection Criteria

• Gross hemolysis.
• Grossly lipemic.
• Specimens not collected and processed as indicated.

In-Lab Processing

Centrifuge to separate serum from cells within one hour of collection. Transfer serum to a plastic transport tube and freeze (-20°C/-4°F or below).

Transport: 1.0 mL serum, frozen (-20°C/-4°F or below). (Minimum: 0.2 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 12 hours
Refrigerated (2-8°C or 36-46°F): 4 days
Frozen (-20°C/-4°F or below): 28 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to ARUP Laboratory in Salt Lake City, UT. Forwarded to Quest Diagnositics, San Juan Capistrano, CA.

Performed

Varies.
Results available in 12-18 days.

Reference Range

By report.

Test Methodology

Quantitative Radioimmunoassay

CPT Codes

83519

Contacts

Last Updated

2/27/2026