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Iron CPT: 83540

Expected Turnaround Time

Within 1 day

Specimen Requirements

Specimen

Serum (preferred) or plasma (lithium heparin only). EDTA plasma causes decreased results.

Volume

1 mL

Minimum Volume

0.5 mL

Container

Red-top tube, gel-barrier tube, or lavender-top (EDTA) tube.

Collection

Separate serum or plasma from cells within 45 minutes of collection.

Storage Instructions

Maintain specimen at room temperature.

Stability Requirements

Patient Information

Along with other iron tests, to determine your blood iron level; along with other tests, to help diagnose iron-deficiency anemia or iron overload.

When you have low hemoglobin and hematocrit on a complete blood count (CBC); when your healthcare practitioner suspects that you may have too little iron (deficiency) or too much iron (overload) in your body.

A blood sample drawn from a vein in your arm.

You may be instructed to have your blood drawn in the morning and/or fast for 12 hours before sample collection; in this case, only water is permitted. Follow any instructions from your healthcare practitioner and/or from the laboratory performing the test.