Serum ferritin http://www.ironpanel.org.au/AIS/AISdocs/labq1ab.htm

• A reliable and sensitive indicator for assessment of iron store

• A valid indicator of iron absorption

• An acute phase reactant: inflammation, infection, malignancy and liver disease

• Sex, age, race, BMI, alcohol consumption, contraception

• A little or no diurnal variation

• IRMA, IRIA, ELISA

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Serum ferritin can be easily measured using immunoradiomentric assay(IRMA),

radioimmunoassay (RIA),

or by enzyme-linked immunosorbent assay (ELISA).