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Iron
Test CodeIRON
Alias/See Also
FE
CPT Codes
83540
Preferred Specimen
SST (Gold)
Samples should be taken in the morning from patients in a fasting state, since iron values decrease by 30% during the course of the day.
Samples should be taken in the morning from patients in a fasting state, since iron values decrease by 30% during the course of the day.
Other Acceptable Specimens
RED or SST
Instructions
No hemolysis.
Specimen Stability
Serum iron is stable for 7 days when stored at 2 - 8°C or 4 days at room temperature (15 - 25°C) after the serum is separated from red cells.
Reference Range
Females: 50-170 ug/dL
Males: 65-175 ug/dL
Males: 65-175 ug/dL
Clinical Significance
Serum iron (IRON), total iron-binding capacity (FETIBC), and/or transferrin tests are usually ordered together to assess how much iron is being carried in the blood. A ferritin test may also be used to evaluate a person's current iron stores.
These tests are used together to detect and help diagnose iron deficiency or iron overload. In people with anemia, these tests can help determine whether the condition is due to iron deficiency or another cause, such as chronic blood loss or some other illness. Iron tests are also ordered if a doctor suspects that a person has iron poisoning and to screen for hereditary hemochromatosis, an inherited condition associated with excessive iron storage.
These tests are used together to detect and help diagnose iron deficiency or iron overload. In people with anemia, these tests can help determine whether the condition is due to iron deficiency or another cause, such as chronic blood loss or some other illness. Iron tests are also ordered if a doctor suspects that a person has iron poisoning and to screen for hereditary hemochromatosis, an inherited condition associated with excessive iron storage.
Performing Laboratory
CRMC Laboratory
CCMC Laboratory
CCI Laboratory
