Which of the following techniques is used to detect and identify alloantibodies in a patient's serum, particularly in cases of hemolytic disease of the newborn?

A Gel column agglutination
B Tube testing
C Column agglutination ✓
D Enzyme-linked immunosorbent assay (ELISA)

Explanation

Column agglutination is a technique used to detect and identify alloantibodies in a patient's serum, particularly in cases of hemolytic disease of the newborn.

Source

AABB (American Association of Blood Banks)
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: medium