IGF-BP1 (LABCORP)

Test Code

99901000511

Alias/See Also

LAB9174: IGF Binding Protein-1 (IGFBP-1) | LABCORP EAP: 140822

CPT Codes
83520x1

Preferred Specimen

LABCORP LAB: Specimen: Serum, frozen

Volume: 0.5 mL

Minimum Volume: 0.5 mL (Note: This volume does not allow for repeat testing.)

Minimum Volume

Minimum Volume: 0.5 mL

Other Acceptable Specimens

LABCORP LAB: YELLOW TOP: (Frozen) Min Vol: .1 LABCORP LAB: MICRO YELLOW: (Frozen) Min Vol: .1 LABCORP LAB: RED TOP - PLAIN: (Frozen) Min Vol: .1

Instructions

Specimen: Serum, frozen

Volume: 0.5 mL

Minimum Volume: 0.1 mL (Note: This volume does not allow for repeat testing.)

Container: Red-top tube or gel-barrier tube

Collection: Transfer the serum into a LabCorp PP transpak frozen purple tube with screw cap (LabCorp N° 49482). Freeze immediately and maintain frozen until tested. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.

Storage Instructions: Freeze.

Transport Container

Container: Red-top tube or gel-barrier tube

Transport Temperature

Frozen

Specimen Stability

Stability Requirements
Room temperature: Samples should not be transported or stored at room temperature.
Refrigerated: 48 hours
Frozen: 14 days
Freeze/thaw cycles: Stable x6

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Plasma specimens

Report Available

LABCORP LAB
STAT: 5760 min
Routine: 5760 min
Extended TAT: No TAT min
Timed: 5760 min
Life or Death: 5760 min

Last Updated: November 4, 2026

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.