Other referral pathways

Some of our services and clinics accept referrals from non-GP referrers, teaching professionals, or parents or guardians. Some services accept paper referrals for clinically urgent cases only.

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Genetics service for cancer referrals

To make a referral relating to cancer, please:

  • write to us at North West Thames Regional Genetics Service, Level 8V, Northwick Park and St Mark’s Hospitals, Watford Road, Harrow, HA1 3UJ
  • email us
  • fax your referral on 0208 869 3106

For advice on a referral relating to cancer, please contact us:

BRCA1 and BRCA2 expedited testing

We offer expedited testing of BRCA1 and BRCA2 is available for patients who meet the testing criteria. Please email or fax us your referral using the BRCA urgent referral form to avoid delay.

Process for referrals

If your patient meets our cancer referral criteria, we will send them a family history questionnaire. Once we have reviewed the questionnaire, we will offer them an appointment or send them a letter containing appropriate screening advice.

Please let your patient know that it's important for us to confirm the family history, where possible, in order to determine eligibility. Unfortunately, this can cause delay especially if we don't have enough information at the beginning of the process.

If your patient has an identified genetic cancer susceptibility gene, we will accept a referral. We will need a copy of the genetic test report from the family member who has been tested.

If your patient's family does not have an identified genetic cancer susceptibility gene, then we usually only offer an appointment to someone who is affected. In some cases, where there is no affected relative available for testing, we would consider assessing an unaffected individual. The affected relatives must be blood relations, but can be through the maternal or the paternal side.

Referral criteria and questionnaire

Family history questionnaire (for patients to complete)

Genetics cancer referral criteria

BRCA urgent referral form

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