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PADFC/50198-Q
PLATELET ANTIBODY DIRECT FLOW CYTOMETRY

Test Code PADFC/50198-Q 
Test PLATELET ANTIBODY DIRECT FLOW CYTOMETRY 
Methodology Flow Cytometry 
Description Thrombocytopenia that is refractory to platelet transfusions may be due to direct platelet antibody. Testing is useful to differentiate immune from non-immune disorders. 
Specimen 7 -10 mL (5 mL minimum) whole blood in an EDTA Lavender top tube,Room Temperature

Collection Instructions
Do not refrigerate or freeze. If the platelet count is less than 20,000/ccm, submit 7-10 mL whole blood.

Platelet Count: Minimum Volume
> 45,000: 2 mL
20,000-45,000: 5 mL
< 20,000: 10 mL

Pediatric Minimum is at least 1 mL EDTA Lavender blood 

Reference Values Anti-IgG: Negative 
Analytic Time 5 to 6 Days 
Day(s) Test Set Up Daily 
CPT Code(s) 86023