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Iron and TIBC
Test CodeLAB829
Alias/See Also
Iron and Total Iron Binding Capacity , Fe and TIBC, TIBC Iron Indices
Preferred Specimen
4.5 ml (600 ul min) lithium heparin (green); alternate-SST (gold) or Red (no additive)
Minimum Volume
1 ml (200 ul minimum) plasma; alternate-serum
Other Acceptable Specimens
Gold SST
Instructions
Spin SST and send to lab
Transport Temperature
Room Temp
Specimen Stability
Separated from cells: 4 days room temp, 7 days refrigerated
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Icteric: >40 mg/dL bilirubin, Hemolysis: >200 mg/dL hemoglobin, Lipemia: >1000 mg/dL
Methodology
Timed Endpoint
Setup Schedule
Mon- Sun
Reference Range
UIBC: Adults:5 155 – 355 μg/dL
TIBC: 228-428 ug/dL
TIBC: 228-428 ug/dL
Clinical Significance
Serum iron concentration connotes the Fe (III) bound to serum transferrin and does not include the iron contained in
serum as free hemoglobin. Because normally only about one third of the iron binding sites of transferrin are
occupied by Fe (III), serum transferrin has considerable reserve Iron Binding Capacity. This is called the serum
Unsaturated Iron Binding Capacity (UIBC)
serum as free hemoglobin. Because normally only about one third of the iron binding sites of transferrin are
occupied by Fe (III), serum transferrin has considerable reserve Iron Binding Capacity. This is called the serum
Unsaturated Iron Binding Capacity (UIBC)
Performing Laboratory
Piedmont Athens Regional
