Test that shows number and size of rbc
Complete blood count (CBC) Test
this blood test shows if iron deficiency is the cause of the anemia.
Serum Iron Levels
this blood test analyzes iron stores
Ferritin test
test na nagpapakita if the vitamin B12 levels
Vitamin B12 test
this blood test reveals if serum folic levels are low
Folic acid test
This test applies a chemical test
to a stool specimen to see if blood is present.
Stool test for occult