Ferritin FS is a particle enhanced immunoturbidimetric test to determine ferritin in serum or plasma. Ferritin is an iron storage protein. Decreased levels indicate iron deficiency anemia and increased levels occur e.g. in hemochromatosis. Compatible with TruCal Ferritin (170509910058) calibrator set and TruLab Protein 1 (595009910046) and TruLab Protein 2 (595109910046) control sets