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Iron
MessageTest performed at York Hospital Laboratory.
Test Code
IRON
CPT Codes
83540
Preferred Specimen
0.2 mL serum collected in a serum separator tube (SST)
Other Acceptable Specimens
0.2 mL serum collected in a no additive (red-top) tube, transferred to a plastic screw-cap vial 0.2 mL plasma collected in a lithium heparin (green-top) gel separator tube
Instructions
Separate serum or plasma from the cells within 4 hours of collection.
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 3 months
Refrigerated: 7 days
Frozen: 3 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed specimens
Methodology
Spectrophotometry
Setup Schedule
Daily
Report Available
Next Day
Reference Range
| Male | 49 - 181 ug/dL |
| Female | 37 - 170 ug/dL |
Clinical Significance
Serum iron is increased in hemosiderosis, hemolytic anemias, thalassemia, sideroblastic anemias, hepatitis, acute hepatic necrosis, hemochromatosis, inappropriate iron therapy, and iron poisoning. Serum iron is decreased in cases of insufficient dietary iron, chronic blood loss, inadequate absorption of iron, impaired release of iron stores, infection, and chronic diseases.
