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Test Compendium

Test Name

  • IRON/TIBC/UIBC

Test Code

  • 2043

Test Synonym

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

Minimum Volume

  • 0.5 mL

Specimen Type

  • Serum

Primary Container

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

Transport Temp

  • Refrigerated

TAT

  • 1 day

Specimen Requirements

  • 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.

Specimen Retention

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