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Laboratory Medicine

Test Directory / Antenatal Screen

Antenatal Screen

EDTA X 1

TestAntenatal Screen
Common Abbreviations
Specimen typeBlood
Sample typeBlood
Tube typeEDTA X 1
Minimum volume *4.9 ml
Special precautions
Stability**up to 7 days
Turnaround timesWithin 72 hours
LaboratoryYork and Scarborough
Reference intervalRepeat samples requested by NHSBT as required
LimitationsHaemolysis and lipaemia may affect results
** For paediatric patients, smaller volumes (approximately 1 ml) are acceptable – please contact the laboratory for further advice if necessary.
**** Largely dependent on patients serological status and recent transfusion history
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