Antibody Screen TEST CODE CPT CODE 363 86850     Specimen Requirements:        Red Top Tube Report Available: 24 Hours Transport Temperature: Refrigerated Clinical Use: to detect and subsequently identify clinically important red cell antibodies. Thus antibody screening is a routine pretransfusion test. Antibody detection and identification also play an important role in the investigation protocols for hemolytic disease of the newborn, hemolytic anemia, and transfusion reaction.