How to order a test
Genomic testing in the NHS is provided through a national testing network. The North Thames Genomic Laboratory Hub, led by Great Ormond Street NHS Foundation Trust, coordinates all core rare and inherited disease and cancer genomic testing services for the population of north, west and east London, as well as parts of Essex and Hertfordshire.
The pathway below outlines the WGS pathway.

Follow the links below to access more information on the available tests, sample requirements and test request forms.
I want to order a rare and inherited disease test (this includes inherited cancer syndromes)
Guidance
- Guide to requesting WGS cancer
- Test order form guidance (Haem/Onc)
- Test order form guidance - solid tumour
For clinician guidance, information and training resources in relation to the Genomic Medicine Service, please visit: https://www.genomicseducation.hee.nhs.uk/supporting-the-nhs-genomic-medicine-service/
Patient choice forms
- Consultee declaration regarding whole genome sequencing
- National Genomic Research Library Young Person Assent Form (ages 6-15)
- Record of Discussion Regarding Genomic Testing
- The National Genomic Research Library
- Withdrawal from the National Genomic Research Library
Patient information
- Information on Whole Genome Sequencing for patients
- Rare disease
- Rare disease - easy read
- Genomic research
Test order forms
I want to order a cancer test
Guidance
- Guide to requesting WGS cancer
- Test order form guidance (Haem/Onc)
- Test order form guidance - solid tumour
For clinician guidance, information and training resources in relation to the Genomic Medicine Service, please visit: https://www.genomicseducation.hee.nhs.uk/supporting-the-nhs-genomic-medicine-service/
- Consultee declaration regarding whole genome sequencing
- National Genomic Research Library Young Person Assent Form (ages 6-15)
- Record of Discussion Regarding Genomic Testing
- The National Genomic Research Library
- Withdrawal from the National Genomic Research Library
Patient information
- Whole genome sequencing for suspected cancer
- Whole genome sequencing for suspected cancer - Easy Read
Test order forms
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