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Platelet Antibody, Direct, Flow Cytometry : 5019
MessageCRITICAL Ambient.
Test Code
PLTABQ or 5019
CPT Codes
86023
Instructions
Lavender (EDTA). Do not refrigerate or freeze.
If the platelet count is less than 20,000/ccm, submit 7-10 mL of whole blood.
Platelet Count Minimum Volume to Submit
greater than ot equal to 45,000 2 mL
20,000-45,000 5 mL
less than 20,000 10 mL
If the platelet count is less than 20,000/ccm, submit 7-10 mL of whole blood.
Platelet Count Minimum Volume to Submit
greater than ot equal to 45,000 2 mL
20,000-45,000 5 mL
less than 20,000 10 mL
Transport Container
Transport whole blood.
Pediatric: The minimum volume is platelet count dependent. If possible, submit at least 1 mL EDTA blood.
Pediatric: The minimum volume is platelet count dependent. If possible, submit at least 1 mL EDTA blood.
Transport Temperature
Ambient.
Specimen Stability
Ambient: 6 days; Refrigerated: Unacceptable; Frozen: Unacceptable
Methodology
Flow Cytometry
Setup Schedule
Sunday - Saturday
Report Available
3-4 days (From receipt at performing laboratory)
Limitations
This test was developed and its performance characteristics determined by Quest Diagnostics Nichols Institute, San Juan Capistrano. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. Performance characteristics refer to the analytical performance of the test.
Reference Range
Anti-IgG Negative
Clinical Significance
Thrombocytopenia that is refractory to platelet transfusions may be due to direct platelet antibody. Testing is useful to differentiate immune from nonimmune disorders.
Performing Laboratory
Quest Diagnostics
