What is the purpose of using an indirect antiglobulin test in blood grouping and crossmatching?

A To detect the presence of antibodies against red blood cell antigens ✓
B To identify the ABO blood group of a patient
C To determine the Rh blood type of a patient
D To detect the presence of complement in patient serum

Explanation

The indirect antiglobulin test is used to detect the presence of antibodies against red blood cell antigens, which is essential for identifying potential transfusion reactions.

Source

American Association of Blood Banks
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: high