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Test Code FET Iron, Total

Additional Codes

EPIC LAB4127

Purpose

Iron (non-heme) measurements are used in the diagnosis and treatment of diseases such as iron deficiency anemia, hemochromatosis (a disease associated with widespread deposit in the tissue of the two iron-containing pigments, hemosiderin and hemofuscin, and characterized by pigmentation of the skin), and chronic renal disease. Iron determinations are performed for the diagnosis and monitoring of microcytic anemia (e.g. due to iron metabolism disorders and hemoglobinopathy), macrocytic anemia (e.g. due to vitamin B12 deficiency, folic acid deficiency and drug‑induced metabolic disorders of unknown origin) as well as normocytic anemias such as renal anemia (erythropoetin deficiency), hemolytic anemia, hemoglobinopathy, bone marrow disease and toxic bone marrow damage. 

 

Source: Roche Cobas IRON2 Method Sheet Version 3.0 2024-08

Methodology

Colorimetric assay (Roche Cobas c503)

Sample Type

Preferred Sample Type
Light green top - Plasma

 

Acceptable Sample Type(s)
Dark green top - Plasma
Yellow top - Serum
Red top - Serum

Centrifuge: Yes

Specimen Minimum Volume

55 uL with insert cup

Specimen Stability

Temperature Time
Ambient (20-25°C) 7 days
Refrigerated (4-8°C) (store) 3 weeks
Frozen (-20°C) "several years"

Separate plasma or serum from cells within 2 hours. 

Reference Ranges

Normal Range
Male 61 - 157 ug/dL
Female 37 - 145 ug/dL

 

Technical Range
6 - 1,000 ug/dL

Rejection Criteria

Hemolysis Index >200
Icteric Index >60
Lipemia Index >1,500, ultracentrifuge

Availability

Performed STAT
24/7 Yes

 

Performing Laboratory

MultiCare Yakima Memorial Hospital Laboratory

Lab Department

Chemistry

CPT Code

83540

LOINC

2498-4 Iron [Mass/Vol]