2 - 5 days
RBC Osmotic Fragility
Osmotic Fragility, RBC
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Suspected hereditary spherocytic hemolytic anemia.
> or =12 months: 0.50 g/dL NaCl (unincubated): 3-53% hemolysis; 0.60 g/dL NaCl (incubated): 14-74% hemolysis; 0.65 g/dL NaCl (incubated): 4-40% hemolysis; 0.75 g/dL NaCl (incubated): 1-11% hemolysis. Reference values have not been established for patients who are <12 months of age.