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Iron Binding Capacity
Test CodeIBC
Alias/See Also
Total Iron Binding Capacity
CPT Codes
83550
Preferred Specimen
Serum (gold or red top tube)
Minimum Volume
0.5 mL
Transport Container
Serum (gold or red top) Tube
Transport Temperature
Room Temperature or Refrigeration
Specimen Stability
Room Temperature - 3 days; Refrigerated - 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Quantity Not Sufficient, EDTA (purple top tube) contamination, IV contamination
Methodology
Photometric
Setup Schedule
Daily upon receipt
Report Available
Upon completion of analysis
Limitations
Desferal (Deferoxamine Mesylate) can interfere with TIBC testing.
Reference Range
Females: 265 - 497 ug/dL
Males: 261 - 462 ug/dL
Clinical Significance
The measurements of serum iron and serum iron-binding capacity are useful in the differential diagnosis of anemia, iron deficiency anemia, thalassemia, possible sideroblastic anemia, and iron poisoning. Total iron-binding capacity (TIBC) in serum, representing the iron-binding capacity of transferrin, is a useful index of nutritional status. Serum TIBC varies in disorders of iron metabolism. Serum TIBC is increased in iron deficiency and decreased in chronic inflammatory disorders, malignancies and hemochromatosis.