Familial breast/ovarian cancer


Mutations in the BRCA1 and BRCA2 genes are associated with a high lifetime risk of developing breast and/or ovarian cancer. Referrals are only accepted via a Clinical Genetics Unit

Request a test

When requesting this test please use the referral form provided. Please also refer to any additional information provided for this test. Download the referral form >

Additional information

For additional information please click on the link Download additional information >

Sending address

Great Ormond Street Hospital NE Thames Regional Genetics Service Laboratories
Great Ormond Street Hospital for Children
Barclay House
37 Queen Square

Laboratory service


Sample requirements

5mls EDTA Blood

Reference range

Not applicable

Turnaround time

Next generation sequencing screen 40 days, AJ/Polish panels 20 days, predictive 10 days

Disease / group



Upon request

Call in advance?

Prenatals must be arranged in advance, through a Clinical Genetics department if possible. Amniotic fluid or CV samples should be sent to Cytogenetics for dissecting and culturing, with instructions to forward the sample to the Regional Molecular Genetics laboratory for analysis


The Genetics Laboratories provide an extensive range of Cytogenetics and Molecular Genetics diagnostic testing services...

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