IGF Binding Protein-3 (IGFBP-3) (Insulin-Like Growth Factor Binding Protein-3)

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Tube Type

Test ID		LAB5688
EPIC ORDER		IGF BINDING PROTEIN 3
CPT Code(s)		83520
Group/Individual Test		Individual
Laboratory		Core Referral Testing
Tube Station		30
Specimen	Routine:	2.4 mL blood/red plain tube/gold SST tube also acceptable; See Comments
	Micro:	1.0 mL blood
Availability	Routine:	Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time		3-5 days
Reference Range	Normal:	See separate report

Comments	Samples must be spun within 2 hours of collection.

Reviewed by J. Carr on December 18, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514