Neonatal Alloimmune Thrombocytopenia Evaluation
| Also Known as (Alias) | NATP, NAIT | |
| Indications | NAIT | |
| Method | Flow Cytometry, PCR, ELISA | |
| Test Information | Platelet antibody crossmatch testing of maternal plasma with paternal platelets by flow cytometry, Platelet antigen typing of both parents’ platelets by DNA (PCR) and Class I HLA antibody identification , PAK-12G or MAIPA (if warranted). | |
| Sample Requirements | EDTA (Lavender top) Clotted Blood (red top) Citrate (Blue Top) |
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| Requested Volume | Mother: 20cc EDTA (lavender top); 10cc Citrate (blue top); 10cc Clot (red top)
Father: 20cc EDTA (lavender top) |
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| Sample Information | The Platelet Immunology Supervisor must be contacted to discuss the patient’s clinical history. The supervisor can be reached at 206-689-6542. | |
| Shipping Information | Send at ambient temperature and sample should be received in lab within 24 hours from collection.
Samples must be received Monday thru Friday morning. Samples received after 10:00am on Friday or over the weekend will have to be redrawn. Send samples to: For additional information please see Ordering Information |
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| Requisition Form | RFT- Immunogenetics/HLA and Platelet Immunology Labs | |
| Transaction Code | 3670-00 | |
| CPT Codes | 86022 x12, 86023 x4, 86832 x1, 81400 x6 | |
| Test Schedule | Monday thru Friday morning | |
| Turn around Time (analytic time) | 1 business day for serological results 3 business days for additional results |
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| Report/Results | Fax number required to receive report |