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Test Compendium

2043: IRON/TIBC/UIBC

Test Code

  • 2043

Test Synonym

  • IRON BINDING CAPACITY, TIBC, TOTAL IRON BINDING CAPACITY, UIBC, UNSATURATED IRON BINDING CAPACITY

Volume

  • 1 mL

Minimum Volume

  • 0.5 mL

Specimen Requirements

  • Serum

Container

  • Serum Separator Tube, Transfer Tube- Serum, Plain Red Top Tube

Storage

  • Refrigerated

Turn Around Time

  • 1 day

Special Instructions

  • Serum from a SST or Red Top Tube, separate from clot within 1 hour of collection Specimens should be collected in the morning to avoid low results due to diurnal variation The concentration of iron in serum/plasma is dependent on ingestion of iron and is subject to circadian variations.

Additional Information

  • This test includes Iron, UIBC, TIBC (calculated) and % Transferrin Saturation (calculated)

Specimen Stability

  • Serum: 4 days at 15-25 °C for UIBC 7 days at 2-8 °C for UIBC

Reference Range

  • Fasting Sex Message Lines Ref Ranges Unit of Measure
    Iron 30 - 170 ug/dL UIBC 112 - 347 ug/dL TIBC 225-390 mcg/dL Female 225-415 mcg/dL Male %SAT 14 - 50 Percent