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Crossmatch Incompatible Red Blood Cells
| Information | - Crossmatch incompatible red blood cells (RBCs) are ABO compatible, but found to be incompatible with donor red blood cells due to non-ABO auto-antibodies.
- Crossmatch incompatible RBCs are issued for transfusion if testing protocols have been exhausted and fully compatible red blood cell units cannot be found.
- Release of RBC from the Transfusion Medicine Laboratory identified as crossmatch incompatible will have been authorized by the Transfusion Medicine Physician on-call.
- A neon green sticker on the chart copy of the transfusion slip will read: “Incompatible RBCs. Monitor for hemolysis. Refer to Lab Services Manual (Transfusion Essentials)”.
- The patient must be monitored throughout and following the transfusion by staff who are “hypervigilant for acute intravascular hemolytic reaction[i]”, although such reactions are rare.
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1 Weinstein, R. 2012 Clinical Practice Guide on Red Blood Cell Transfusion. Adapted from ‘Red Blood Cell Transfusion: A Clinical Practice Guideline from the AABB’ Ann Intern Med 2012; 158; 49-58.)
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Laboratory Controlled Document LSM-792 v2
