Test Code ABTTR Antibody Titer LAB275
Test Method
AABB Standard: Agglutination of red cells with a serial
dilution of antiserum (antibody) to the corresponding antigen
present in the red cells; antibody titration. (AABB Technical
manual. 14th edition. Edited by V Vengelen-Tyler. Bethesda, MD,
American Association of Blood Banks 2002)
Performance
Testing is performed Monday through Sunday. (Except holidays)
Specimen Requirement
2 - 7mls EDTA tubes
Useful For
Monitoring antibody levels during pregnancy to help assess the
risk of hemolytic disease of the newborn.
Reference Values
Not applicable
CPT Code Information
86886 Antihuman globulin test; indirect, each antibody
titer.
LOINC Code Information
15343-7 Blood Group Antibody Screen [Titer] In Serum Or
Plasma
Testing Algorithm
An Antibody Identification and ABORH are performed with all obstetric
patient Antibody Titers.