Fetal Rhesus D screening test

Detection of fetal RHD gene fragments in the maternal blood to predict fetal RhD status and guide prophylactic anti-D treatment.

Test description

Fetal Rhesus D screening can determine the RhD status of the fetus in RhD-negative mothers who do not have anti-D alloantibodies. If the fetus is also RhD negative, prophylactic anti-D immunoglobulin is not required—avoiding unnecessary treatment that is otherwise routinely given throughout pregnancy.

Test information

Test name

Fetal Rhesus D Screening

Clinical indication

To determine fetal RhD status where the mother is RhD negative and not alloimmunised.

Gene(s)

RHD

Method

Real-time PCR

Turn around time

1 – 2 weeks

Medicare eligibility

73420, conditions apply

Price

If not MBS eligible, please contact 1800 822 999 for details

Test request form

Dedicated Fetal RhD Screening test form

Sample type

Blood

Collection type

10mL Streck tube

Special instructions

Test is recommended to be performed after 18 weeks gestation but can be performed from 11 weeks. A re-test will be required if Fetal RhD result is negative before 18 weeks.

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