Insulin Like Growth Factor 1, Somatomedin C (IgF-1), IgF-1 (Somatomedin C)

Tube Type = Red Top

Tube Type

Test ID   LAB5753
EPIC Order
   INSULIN-LIKE GROWTH FACTOR (IGF-1)
CPT Code(s)   84305
Group/Individual Test   Individual
Laboratory   Core Referral Testing
Tube Station   30
Specimen Routine: 3 mL blood/red plain tube/gold SST tube also acceptable; See Comments
  Micro: 1.5 mL blood
Availability Routine: Reference Laboratory - Quest Diagnostics via Mayo Clinic Laboratories
Turnaround Time   4-8 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