Test Categories: Platelet Testing

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

DNA based assay provides intermediate resolution (2 digits) typing of HLAI-A,B alleles. Typing required for patient before search for HLAI 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 81373x2 Form BS 313, HLAI 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 81479 Form BS 313
HLAI, IRL Platelet Refractory Panel, Platelet Testing Platelet Antibody Detection

The Capture-P Ready Screen Solid Phase System is designed to detect IgG- HPA and -HLAI antibodies. The assay does NOT differentiate between HLAI 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 86022 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 HLAI 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 86022 Form BS 313