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The short notes about the tests only describe the general nature of the test. Only your doctor can interpret the decision about your results based on your clinical findings and other test results.
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Osmotic Fragility Test

Osmotic fragility is the erythrocyte (red blood cells) resistance to hemolysis when exposed to varying levels of dilution of a saline solution. It inspects the red blood cells about their fragility.
Interpretation: In hereditary spherocytosis and thalassemia, red blood cells are more fragile than normal. Abnormal results may vary among the laboratories but thalassemia and Hereditary Spherocytosis are the expected diagnosis.
Sample: Arm vein plasma(HEPARINE). Nonfasting
Working day: Everyday
Result Time: 3 days 6:00 PM