Platelet Typing for Single Platelet Antigen

Method Polymerase Chain Reaction (PCR)
Test Information There is an increasing desire to platelet type fetal amniocytes or pregnant siblings of women with NATP. This is not to be substituted for Neonatal Thrombocytopenia Evaluation. This will only type for a single antigen suspected in a family history of NATP or to confirm a diagnosis of post transfusion purpura (PTP).
Sample Requirements EDTA (lavender top) or ACD (yellow top)
Requested Volume 10cc EDTA (lavender top) or 10cc ACD (yellow top)
Shipping Information Send whole blood specimens at ambient temperature. Specimens should arrive in the lab within 48 hours from draw time.

Send samples to:
Bloodworks Northwest
Attn:  Platelet Immunology Lab, Rm 619
921 Terry Avenue
Seattle, WA 98104

For additional information, please see Ordering Information

Requisition Form RFT- Platelet Immunology Laboratory
Transaction Code 3680-00
CPT Codes 81400
Test Schedule As requested
Turn around Time (analytic time) 2-3 business days
Report/Results Fax number required to receive report

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