The direct antiglobulin test (DAT) is a screening test for antibodies present on an individual's red cells and is used to investigate hemolytic disease of the newborn (HDN)
Microtainer - lavender (EDTA)
Refrigerate - 3 days
Sample should be obtained no more than 24 hours prior to testing but may be used up to 3 days post collection.Testing of older specimens may show decreased antibody reactivity.
Column agglutination; agglutination
Negative