In what circumstance would a direct antiglobulin test be negative in the presence of a hemolytic process?
A)Bacterial contamination of the unit
B)Medications that were administered with the unit
C)Red blood cell unit transfused quickly through a leukocyte reduction filter
D)All of the above

Question

Quizplus · Accepted Answer

A direct antiglobulin test detects hemolysis caused by alloantibodies and would be negative if the red blood cell unit was hemolyzed before or during transfusion which can be caused by bacteria,medications,or physical damage from a filter.

In What Circumstance Would a Direct Antiglobulin Test Be Negative