Above the range
Common causes of a high Total Iron-Binding Capacity (TIBC)
- Iron-deficiency anemia
- Pregnancy
- Estrogen therapy
Looking for the other direction? See what causes a low Total Iron-Binding Capacity (TIBC).
All tests · Iron Studies · Total Iron-Binding Capacity (TIBC)
Above the range
What causes a high Total Iron-Binding Capacity (TIBC)?
Normal range 240-450 µg/dL (43-81 µmol/L SI). Specimen: Serum. See the full Total Iron-Binding Capacity (TIBC) reference page for critical values and nursing considerations.
What is the normal range for Total Iron-Binding Capacity (TIBC)?
The standard teaching reference range for Total Iron-Binding Capacity (TIBC) is 240-450 µg/dL in conventional units, or 43-81 µmol/L in SI units. This value is measured in serum.
| Specimen | Serum |
|---|---|
| Conventional range | 240-450 µg/dL |
| SI range | 43-81 µmol/L |
| Panel | Iron Studies |
Full details, including nursing considerations, on the Total Iron-Binding Capacity (TIBC) normal range page. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.
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