Ferritin and hemosiderin are stored in the liver, spleen, and bone marrow. They are primarily stored in the form of ferritin, a complex of iron and protein, with hemosiderin being a breakdown product of ferritin storage.
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A gold or yellow test tube is commonly used for ferritin testing.
The color of tube used for ferritin is typically gold or red/gray.
No, a ferritin test does not require fasting. It can be done at any time of the day and does not require any special preparation.
Transferrin is a protein that transports iron in the bloodstream and delivers it to cells. Ferritin, on the other hand, is a protein that stores iron in cells, particularly in the liver, spleen, and bone marrow. Essentially, transferrin helps transport iron while ferritin helps store it.
A lavender-top tube containing EDTA is typically used for ferritin testing. This anticoagulant is used to prevent clotting of the blood sample.