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Cell Free Fetal DNA for RhD, C, E, c and K

Alternative Names/Synonyms	Fetal genotyping, cffDNA
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Transfusion Medicine
Specimen Type	Blood
Test Code	SEND

Ordering Instructions, Requisition

Bristol Documents and Forms

Clinical Significance

To determine the blood group antigen status of the fetus at risk for Hemolytic Disease of the Fetus and Newborn from Rh or K

Specimen Requirements (Sample Type)

Please see referral lab website for further information

NHS Labs Website

Collection Requirements

Blood Collection Instructions

Cause for Rejection

Sample must arrive in Bristol UK within 48 hours

Test Availability

Monday to Wednesday

Referral Laboratory

Referred to International Blood Group Reference Lab, Filton, Bristol, UK

Routine Turnaround Time

Within 7 business days

Laboratory Contact Information

Tel #: 416-586-4502
Fax #: 416-586-8504

Approval Required

Yes - see Ordering Practices section

Ordering Practices

Requires approval from Ministry of Health prior to sending the sample
Ordering physician to submit a request for approval to Ministry of Health

Copy of the approval letter has to be submitted along with the patient samples.
MOH approval for Out of Country testing

Sample Processing / Delivery

Please deliver to the Core Laboratory, 11th floor