What is the purpose of using a 'parallel' or 'simultaneous' crossmatch technique in blood banking?

A To detect ABO incompatibility between donor and recipient
B To identify antibodies against high-frequency antigens
C To reduce the risk of transfusion-related acute lung injury (TRALI)
D To increase the efficiency of crossmatching by testing multiple samples at once ✓
Parallel or simultaneous crossmatch techniques involve testing multiple samples at the same time to increase efficiency and reduce turnaround time.
AABB - American Association of Blood Banks
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: high