What is the purpose of performing a repeat crossmatch test after a negative initial crossmatch result in blood banking?

A To detect any new antibodies that may have formed
B To confirm the presence of a specific blood group antigen
C To verify the compatibility of the donor and recipient blood ✓
D To reduce the risk of a hemolytic transfusion reaction

Explanation

The repeat crossmatch test is performed to verify the compatibility of the donor and recipient blood, ensuring that no new antibodies have formed that could cause a hemolytic transfusion reaction.

Source

AABB Technical Manual
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: high