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RBC Antibody Identification

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Also known as: Alloantibody Identification; Antibody ID, RBC; RBC Ab ID
Formal name: Red Blood Cell Antibody Identification
Related tests: Direct Antiglobulin Test; RBC Antibody Screen; Blood Typing; Type and Screen; Crossmatch

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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

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?