Test Categories: Platelet Testing

Laboratory Category Test Name Description Turn Around Times Sample, Packaging & Shipping Requirements Form
HLA, IRL Platelet Refractory Panel, Platelet Testing HLA (A,B) IR for Patient Platelet Transfusions

DNA based assay provides intermediate resolution (2 digits) typing of HLA-A,B alleles. Typing required for patient before search for HLA matched platelets.

48 hours Adults: 10-20 mL EDTA; Adults WBC <4x10^6/mL or 4000/µL: 20-40 mL EDTA; Pediatrics: Consult with laboratory Form BS 313, HLA Requisition Form BS 320H
IRL Molecular Testing (DNA Genotyping), Platelet Testing Molecular Platelet Genotyping (HPA) – Patient

Molecular determination of 11 allelic variants that determine common Human Platelet Antigens, using multiplex PCR and microarray analysis. Includes DNA extraction and purification.

5-7 Business Days 2 EDTA (7 mL) tubes Form BS 313
HLA, IRL Platelet Refractory Panel, Platelet Testing Platelet Antibody Detection

The Capture-P Ready Screen Solid Phase System is designed to detect IgG- HPA and -HLA antibodies. The assay does NOT differentiate between HLA or HPA antibodies. The assay is not designed to detect complement components or antibodies of the IgM or IgA class.

Depends upon request; See TAT description 3-7 mL EDTA (plasma) or serum tube (no gel separators). Sample must be received in the IRL no later than 30 hrs after collection. Shipped in a container maintaining temperature between 1C - 10C Form BS 313
IRL Platelet Refractory Panel, Platelet Testing Platelet Crossmatch – SP

The Capture-P Solid Phase System is designed to detect IgG HPA and HLA antibodies.  The assay is not designed to detect complement components or antibodies of the IgM or IgA class.

Depends upon request; See TAT description 3-7 mL EDTA (plasma) or serum (not from gel separator tubes). ; Must be received within 30 hours of collection. ; Shipper to maintain temperature between 1C - 10C Form BS 313