Test name: Iron
Order Code: IRON
Preferred Specimen: 2mL serum in a Serum Separator Tube (SST or Tiger-top)
CPT Code: 83540
Collection: Allow SST to clot in an upright position for 30 min, then centrifuge sample within 2 hours of collection. Refrigerate.
Special Instructions and Considerations: In patients treated with iron supplements or metal-binding drugs, the drug-boud iron may not properly react in the test, resulting in artifically low values.
Transport Temperature: Refrigerated
Specimen Stability: 7 days under room temperature; 3 weeks refrigerated
Causes for Rejection: Moderate or Greater Hemolysis