Iron Profile

Tube Type = Gold Top

Tube Type

Includes Iron, TIBC, % Saturation

Test ID LAB9432
EPIC Order IRON AND TIBC
CPT Code(s) 83550, 83540
Group/Individual Test Group
Laboratory Core Laboratory
Tube Station 30
Specimen Routine: 4 mL blood/gold SST tube or red plain tube also acceptable
Micro: 2 mL blood gold SST microtainer/red plain 
Stability Unspun:
2 hours
Spun/Separated,
Room Temp:
4 days
Spun/Separated,
Refrigerated:
7 days
Spun/Separated,
Frozen:
2 Months
Availability 24 hrs/day
Turnaround Time Routine: 2 hrs.
  STAT: 1 hr.
Reference Range Normal:
Adult Male Adult Female
Iron (μg/dL) 65-175 50-170
TIBC (μg/dL) 250-425 250-425
Iron Saturation (%) 20-55 20-55
  Critical: Iron (μg/dL) >500
Comments
  • Reference ranges and test panel effective 7/13/2021
  • Lithium Heparin plasma is not acceptable for Iron and TIBC tests. 

Reviewed by J. Carr on January 02, 2026

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