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 , and PAK-Lx 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 whole blood specimens at ambient temperature. Specimens should arrive in the lab within 24 hours from draw time.
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- Platelet Immunology Laboratory | |
| Transaction Code | 3670-00 | |
| CPT Codes | 81105 x2, 81106 x2, 81107 x2, 81108 x2, 81109 x2, 81110 x2, 81111 x2, 81112 x2, 86022 x12, 86023 x4, 86832 x1 | |
| 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 |
