Test Code 0208413 Antibody Titer, Blood

Methodology

Titration
* Useful for monitoring antibody levels during pregnancy to help assess the risk of hemolytic disease in the newborn.

CentraCare Laboratory Services

Specimen Type: Whole blood

Collection Container/Tube: Two 5 mL Lavender tops (EDTA)

Specimen Volume: Two tubes each

Specimen Minimum Volume: one 5-mL EDTA

Collection Instructions:

1. Avoid hemolysis

2. Label tubes with patient’s full name (first and last), ID number (DOB or MRN), date of collection and collector’s initials.

3. Include pertinent transfusion history: whether transfused within the last 3 months, and if so, dates and products transfused.

4. Include pregnancy history: number, currently pregnant, and if so, due date.

5. Includes Antibody Screen and, if indicated, Antibody Identification.

Refrigerated

Negative

If positive, result will be reported as the reciprocal of the highest dilution at which macroscopic agglutination (1+) is observed.

Monday through Friday

86850 - antibody screen

86870 - antibody identification

86860 - antibody elution (if appropriate)

86880 - antiglobulin, direct (if appropriate)

86886 - antibody titer (if appropriate), each

86905 - red cell antigen typing (if appropriate), each

86978 - absorption (if appropriate), each