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HelpTest Code 9619 Platelet Antibody Screen
Performing Laboratory
BloodCenter of Wisconsin
Methodology
Flow Cytometry
Specimen Requirements
Call Laboratory Medicine resident at digital pager 314-747-1320 for approval before drawing the specimen.
Specimen Type: Whole blood
Container/Tube: Plain red top
Specimen Volume: 2 Full tubes
Specimen Minimum Volume: 2 mL
Day(s) Test Set Up
Varies
Turnaround Time:
STAT: not available
Routine: 3 to 5 days
Test Classification and CPT Coding
86022 x 4
Reference Values
Negative (absent)
The indirect test detects antibodies to platelets, including HLA antibodies in the patient’s serum. These patients may have been alloimmunized through pregnancy or transfusion, and may be refractory to platelet transfusions. Newborns of mothers with alloantibody may exhibit neonatal alloimmune thrombocytopenia.
Specimen Transport Temperature
Ambient
Additional Information
For BJH Laboratory Use Only
Analyte Stability:
Refrigerated: 7 days
Laboratory Processing Instructions:
BJH Chemistry will forward to the performing laboratory. Centrifuge. Aliquot 5 mL (minimum volume: 2 mL) of serum into a plastic vial. Send refrigerated to BloodCenter of Wisconsin, Monday through Thursday only.