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At a Glance
Why Get Tested?
To identify the specific antibody detected by a direct antiglobulin test (DAT) or RBC antibody screen; to help identify the cause of a transfusion reaction, hemolytic disease of the newborn (HDN), or hemolytic anemia
When to Get Tested?
When a DAT or RBC antibody screen is positive; when a transfusion reaction is suspected or when a newborn has HDN
A blood sample drawn from a vein in your arm
Test Preparation Needed?