Red Blood Cell Antibody Identification
Also known as: Alloantibody Identification; Antibody ID, RBC; Ab ID
Formal name: Red Blood Cell Antibody Identification
Related tests: Direct Antiglobulin; Indirect Antiglobulin; Blood Typing; Type and screen; Crossmatch
At a Glance
Why Get Tested?
To identify the specific antibody present when a direct antiglobulin test (DAT) or indirect antiglobulin test (IAT) is positive; to help identify the cause of a transfusion reaction or the cause of hemolytic disease of the newborn (HDN)
When to Get Tested?
When an IAT screening test is positive when performed as part of a prenatal workup or prior to a blood transfusion; when a person has a positive DAT following a suspected transfusion reaction or is suspected to have an autoimmune hemolytic anemia; when a newborn has HDN
Sample Required?
A blood sample drawn from a vein in your arm
Test Preparation Needed?
None
