PLATELET ANTIBODY SCREEN

Test Code
PLA


Alias/See Also
HLA Antibody Screening


CPT Codes
86022

Includes
Testing for antibodies against HPA-1a/b, HPA-2a/b, HPA-3a/b, HPA-4a, HPA-5a/b, GPIIb/IIIa, GPIa/IIa, GPIb/IX, GPIV and Class I HLA.


Preferred Specimen
Red Tube (No gel)
Red Top Blood Collection Tubes | Bound Tree


Minimum Volume
6mL 


Transport Container
Seperate serum from red cells


Transport Temperature
Ship on wet ice. Freeze seperated serum if sample cannot be received in testing lab within 48 hours of collection (must be completely frozen and shipped on dry ice)


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen drawn in wrong tube; grossly hemolyzed specimen; improperly labeled; quantity not sufficient for analysis .


Report Available
7 days


Limitations
No one test method is capable of detecting all unexpected antibodies to platelets. No antibody identification available with this test. Crossmatched platelets do not prevent transfusion reactions. Crossmatched platelet units should be irradiated prior to transfusion.


Reference Range
Negative


Clinical Significance
For diagnosis of supspected: Neonatal alloimmune thrombocytopenia (NAIT), Post-transfusion purpura (PTP), Autoimmune thrombocyotopenic purpura (AITP), Platelet refractoriness, Drug-induced thrombocytopenia


Performing Laboratory
American Red Cross



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.