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HelpTest Code LAB0208413 Antibody Titer, Erythrocytes
Methodology
Titration
Includes LAB 0204750 Antibody Screen (indirect coombs, and LAB0202473 Antibody Identification, Erythrocytes.
Useful for monitoring antibody levels during pregnancy to help assess the risk of hemolytic disease of the newborn.
Performing Laboratory
CentraCare Laboratory Services
Specimen Requirements
Specimen must arrive in laboratory within 4 hours of draw at ambient temperature or refrigerated.
Specimen Type: Whole blood
Container/Tube: Lavender top (EDTA)
Specimen Volume: 5 mL
Collection Instructions:
1. Invert several times to mix blood.
2. Send specimen in original tube.
3. Specimen cannot be frozen.
Additional Informations:
1. For first time orders, include history of transfusions, pregnancies, and identification of antibody.
.
Specimen Transport Temperature
Ambient/Refrigerated
Reference Values
Result will be reported as the reciprocal of the highest dilution at which macroscopic agglutination is observed.
Critical Value: Significant changes in titer from one specimen to the next or initial titer >1:16 will be reported by the pathologist.
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
86886