| Platelet Investigations | All samples referred to NBS. Please use NBS form 3D |
|---|---|
| Investigation of neonatal alloimmune thrombocytopenia | Maternal: 3 x 6ml EDTA + 6ml clotted Paternal: 3 x 6ml EDTA Infant: 1ml EDTA |
| Platelet refractoriness | 6ml EDTA 6ml clotted |
| Autoimmune thrombocytopenia | 3 x 6ml EDTA 6ml clotted |
| Post transfusion purpura | 6ml EDTA 6ml clotted Please send direct to Bristol H&I Laboratory |
