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Labcorp Oklahoma, Inc.
Test Directory


Index:

Iron with Total Iron Binding Capacity (TIBC)

Order Name IRON/TIBC
Test Number: 4501000
Revision Date 01/16/2024
Test Name Methodology LOINC Code
Iron
Ferene 2498-4 
Total Iron Binding Capacity
2500-7 
% Saturation TIBC
2502-3 
UIBC
Ferene 2501-5 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1mL (0.5mL) Serum Clot Activator SST Refrigerated
Alternate 1 1mL (0.5mL) Plasma Lithium Heparin PST (Light Green Top) Refrigerated
Instructions Specimen stability: Ambient 10 hours, Refrigerated 7 days, Frozen 1 year
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1-2 days  
Clinical Use Useful for diagnosis of iron deficiency and iron overload disorders such as hemochromatosis. (Transferrin Saturation) 
Notes For ongoing iron determinations on a patient. The sample should be obtained at approximately the same time each day.
The concentration may vary 30% throughout the day.
If the Iron Level is less than 10 ug/dL then Estimation Iron with Total Iron Binding Capacity is ordered and resulted at no charge.
Order Code: [0691091] .Iron with Total Iron Binding Capacity
Result Code: [4501101] Estimated TIBC (LOINC 2500-7)
Result Code: [4501151] Estimated % Saturation (LOINC 2502-3)
 
CPT Code(s) 83550, 83540
Lab Section Chemistry