Referred to Red Cell Immunohaematology, NHS Blood & Transplant, Tooting Centre, 75 Cranmer Terrace, London SW17 0RB|
Alternative names, keywords |
Foetal Rh D |
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Samples required |
EDD from scan must be reported on the form. |
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Test indications |
All RhD-negative pregnant people are eligible for non-invasive fetal RhD genotyping using cell-free fetal DNA to determine if the fetus is RhD-positive or negative. This guides whether anti-D prophylaxis is needed. |
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Key factors affecting test performance or interpretation |
Haemolysed sample, lipaemia. |
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Test information |
This test is referred to the NHSBT. |
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Turnaround time |
7 - 10 days |
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Enquiries |
Haematology (Transfusion) |
EDTA blood for group and screen (G&S) (pink cap, 6 mL tube)