Fragility, Osmotic (RBC); RBC Fragility, Erythrocytes; Red Cell Fragility
Mayo Medical Lab
2-4 mL Whole Blood
Collect Monday-Thursday or Friday before 1300 only, no weekends or holidays. Immediately refrigerated specimen after collection.
Room Temp=Unacceptable; Refrigerated=72 Hours; Frozen=Unacceptable
Mild hemolysis; Clotted
4 mL Whole Blood
2 mL Whole Blood
Immediately refrigerate specimens after collection. Collect a control specimen from a normal (healthy), unrelated, nonsmoking person at the same time as the patient. Collect (one) 2-4 mL in an EDTA (lavender-top) tube, label clearly on outermost label NORMAL CONTROL and immediately refrigerate specimen after collection. Submit patient's whole blood specimen and Control specimen to Mayo within 72 hours of collection. Order in Mayolink and send with Mayo courier Monday-Friday.