Hereditary Spherocytosis Evaluation
Osmotic Fragility, Routine Osmotic Fragility, Erythrocyte Osmotic Fragility (Routine), MAYO: RBCME, EPIC: LAB6270, SOFT: XHSPE
- Due to specimen stability, patients should be drawn Monday-Thursday only. For questions, call the Laboratory at (800) 551-0488.
- A control specimen from an unrelated, non-smoking individual must be collected and sent with the patient specimen.
Specimen Collection Criteria
Collect: One Lavender-top EDTA tube from the patient AND one Lavender-top EDTA tube from an unrelated individual as a control specimen. Indicate the control's sex on the control collection tube.
Send specimens for processing immediately after collection.
Physician Office/Drawsite Specimen Preparation
Do not centrifuge. Maintain whole blood specimens refrigerated (2-8°C or 36-46°F) prior to transport.
Preparation for Courier Transport
Transport: 4.0 mL whole blood for both patient and control specimens, refrigerated (2-8°C or 36-46°F). (Min: 2.0 mL each tube)
- Centrifuged specimens.
- Hemolyzed specimens.
- Specimens not collected and processed as indicated.
Specimen Stability for Testing:
Room Temperature (20-26°C or 68-78.8°F): Unacceptable
Refrigerated (2-8°C or 36-46°F): 72 hours
Frozen (-20°C/-4°F or below): Unacceptable
Specimen Storage in Department Prior to Disposal:
Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.
Sent to Mayo Medical Laboratories, Rochester, MN.
Monday - Saturday.
Results available in 5-8 days.
Osmotic Lysis/Flow Cytometry.
85557. Add 88184, if appropriate.
MAYO: RBCME, EPIC: LAB6270, SOFT: XHSPE
Microtainer® and Vacutainer® are registered trademarks of Becton, Dickinson and Company.
UroVysion® is a registered trademark of Abbott Laboratories. ThinPrep® is a registered trademark of Hologic, Incorporated.
This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills,
Grosse Pointe, Royal Oak, and Troy campuses.