Platelet Antibody, Direct, Flow Cytometry : 5019

Message
CRITICAL 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


Transport Container
Transport whole 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 analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.


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



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.