Also known as: Serum ferritin level
Formal name: Ferritin, serum
Related tests: CBC, Serum iron, TIBC & UIBC, Transferrin, Iron tests, Zinc Protoporphyrin (ZPP)
To determine your body's total iron storage capacity
When your doctor suspects that you may have too little or too much iron in your system
A blood sample drawn from a vein in your arm
You may be instructed to fast for 12 hours before the test; in this case, only water is permitted.