Clinical Indication ID & Name
Congenital hyperinsulinism
Test Group
Endocrinology
Specialties
Test code
R144.1
Test name
N/A
Target genes
ABCC8; KCNH11
Test scope
n/a
Test method/ technology
Small panel
Optimal Family Structure
n/a
Eligibility Criteria
Hypoglycaemia accompanied by one of the following, with no identifiable cause:
1. During an episode of hypoglycaemia there is a requirement for the glucose infusion to be at a rate of >8mg/kg/min, OR
2. Detectable serum insulin or c-peptide when the blood glucose is <3mmol/l, OR
3. Suppressed or undetectable serum fatty acids and ketone bodies
Where possible, clinicians are asked to submit samples from the probands parents for the DNA to be stored (R346) to allow follow-up of variants
Test code
R144.2
Test name
N/A
Target genes
Congenital hyperinsulinism (308)
Test scope
n/a
Test method/ technology
Small panel
Optimal Family Structure
n/a
Eligibility Criteria
Hypoglycaemia accompanied by one of the following, with no identifiable cause:
1. During an episode of hypoglycaemia there is a requirement for the glucose infusion to be at a rate of >8mg/kg/min, OR
2. Detectable serum insulin or c-peptide when the blood glucose is <3mmol/l, OR
3. Suppressed or undetectable serum fatty acids and ketone bodies
Where possible, clinicians are asked to submit samples from the probands parents for the DNA to be stored (R346) to allow follow-up of variants
Commissioning group
Highly Specialised
Overlapping idications
n/a
Address for samples/request forms
Genetics Laboratory
5th Floor Tower Wing
Guy’s Hospital
London
SE1 9RT
Contact with queries
Supporting documents
n/a
Education resources
n/a
Turn around times
All our turnaround times are listed on our specific turn around page https://southeastgenomics.nhs.uk/professionals/service-turn-around-times/
Request form download
Consent record
See consent guidance in test request form
Sample requirements
Samples may be rejected for the following reasons: 1.Samples and request form do not show at least three identical patient identifiers 2.The sample is in the incorrect collection media 3.The request form is not sufficiently completed 4.The sample is not of sufficient volume 5.The sample is too old