Clinical Indication ID & Name
Early onset or syndromic epilepsy
Test Group
Neurology
Specialties
Test code
R59.2
Test name
N/A
Target genes
Genomewide
Test scope
n/a
Test method/ technology
Microarray
Optimal Family Structure
n/a
Eligibility Criteria
Unexplained epilepsy with clinical suspicion of a monogenic cause including:
1. Onset under 2 years, OR
2. Clinical features suggestive of specific genetic epilepsy, for example Dravet syndrome, OR
3. Additional clinical features: intellectual disability, autism spectrum disorder, structural abnormality (e.g. dysmorphism, congenital malformation), unexplained cognitive/memory decline
Testing may occasionally be appropriate where age of onset is between 2 and 3 years and following clinical agreement by a specialist MDT.
Test code
R59.3
Test name
N/A
Target genes
Epilepsy - early onset or syndromic (402)
Test scope
n/a
Test method/ technology
WGS
Optimal Family Structure
n/a
Eligibility Criteria
Unexplained epilepsy with clinical suspicion of a monogenic cause including:
1. Onset under 2 years, OR
2. Clinical features suggestive of specific genetic epilepsy, for example Dravet syndrome, OR
3. Additional clinical features: intellectual disability, autism spectrum disorder, structural abnormality (e.g. dysmorphism, congenital malformation), unexplained cognitive/memory decline
Testing may occasionally be appropriate where age of onset is between 2 and 3 years and following clinical agreement by a specialist MDT.
Commissioning group
Specialised
Overlapping idications
• R110 Segmental overgrowth disorders – Deep sequencing test should be used where megalencephaly is present to allow detection of somatic mosaic mutations NOTE: If a metabolic disorder is suspected, testing should be carried out either using R89 or R98 or under an alternative metabolic-related clinical indication
Address for samples/request forms
North Thames GLH, Rare & Inherited Disease Genomic Laboratory
Specimen Reception, Level 5 Barclay House, 37 Queen Square,
London WC1N 3BH
Contact with queries
Supporting documents
Rare Disese WGS Clinician pack
Education resources
n/a
Service updates
n/a
Request form download
Consent record
See consent guidance in test request form
Sample requirements
See sample guidance in test request form