Lab Test : Antibody Screen

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Alternate:Indirect Antiglobulin Test; Indirect Coombs; IAT
Includes:Detection of red cell alloantibodies. Antibody identification will be performed, if necessary, on all positive screens.
Department:Transfusion Services
Phone:(937) 641-3369
SQ Code:TYAS for Type & Screen
IAT for Antibody Screen
Available:Daily, 24 hours
Turnaround:Routine: 4 hours, STAT: 1 hour
Specimen:Blood
Volume:1.5 mL
Container:Purple top tube or 3 purple Microtainers
Temperature:Room temperature for transport. Refrigerated for storage.
Rejection:Improper labeling or wrong collection tube.
Normal:Negative
Uses:Detection of allo and auto antibodies in serum. Useful in evaluation of potential cause of hemolysis and hemolytic disease of the newborn.
Limitations:Abnormal proteins and cold autoagglutinins may interfere and cause delays in interpretation. Will not detect all antibodies present, e.g., antibodies with titers too low to detect, antibodies to low incidence antigens and antibodies to platelets and white blood cells.
Method:Hemagglutination
 

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