Best marker of iron deficiency anemia is?
ANSWER: (B) Serum ferritinREF: Harrison's 18th ed ch: 103"Serum ferritin is the most specific and sensitive test for iron deficiency"Under steady-state conditions, the serum ferritin level correlates with total body iron stores; thus, the serum ferritinlevel is the most convenient laboratory test to estimate iron stores.
Serum iron
Serum ferritin
Total iron binding capacity
Transferrin saturation
Blood