Osmotic fragility Test
Interpretation:
Normal
red cells hemolysis begins at NaCl conc. Of 0.45% and is complete
by 0.30%
spherocytes
cell types that begin hemolysis at 0.65% and
end at 0.45%:
cell types that begin hemolysis at 0.35% and
end at 0.20%:
Sickle cells
thalassemia
Microcytic cells
Hb C