Test Code IRN, IRNT Iron and Total Iron-Binding Capacity, and Percent Saturation, Serum
Methodology
Colorimetric, Ferene ChromophorePerforming Laboratory
Aspen Valley HospitalPhysician Office Specimen Requirements
Container/Tube: Gold-top serum gel tube(s) or orange-top tube(s) - Plain, red-top tube is also acceptable.Specimen: 2 mL (minimum volume: 1 mL) of serum
Transport Temperature: Ambient
Collection Instructions: Allow specimen to clot for approximately 10 minutes and spin down. If drawing gold-top serum gel tube, send entire tube to laboratory. If drawing orange-top tube or plain, red-top tube, remove serum and place in separate plastic vial. If there is a delay in transport of >8 hours, send specimen refrigerated.
Reference Values
IRONMales
65-175 µ g/dL
Females
50-170 µg/dL
TOTAL BINDING CAPACITY
250-450 µg/dL
PERCENT SATURATION
20-55%
Day(s) Test Set Up
Monday through SundayTest Classification and CPT Coding
83540 - iron83550 - iron binding capacity