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HelpTest Code TIBC Total Iron-Binding Capacity
Performing Laboratory
Hunterdon Medical Center Laboratory
Useful For
Total Iron Binding Capacity (TIBC) is a measurement for the maximum iron concentration that transferrin can bind.TIBC varies in disorders of iron metabolism. TIBC is increased in iron deficiency and decreased in chronic inflammatory disorders, malignancies and hemachromatosis.
Specimen Required
Test updated March 2017
| Container/Tube | |
| Acceptable | PST (Li Hep) Gel- Mint Green Top |
| Acceptable | SST |
| Specimen Volume | 3.0mL |
| Minimum Volume | 1.0mL |
Specimen Type
Plasma/Serum
Specimen Transport Temperature
Ambient
Specimen Stability
| Specimen | Temperature | Time Frame |
| Plasma | Refrigerated 2-8°C | 2 days |
| Serum-gel tube | Refrigerated 2-8°C | 7 days |
Day(s) Test Set up
Monday through Sunday
Reference Values
| Female | 149-492 µg/mL |
| Male | 171-505 µg/mL |
Methodology
Unsaturated Iron Binding Capacity -direct determination with FerroZine. TIBC Calculated from Unsaturated Iron Binding Capacity (measured) and Iron (measured).
CPT Code
83550
Loinc Code
2501-5