Clinical Indication ID & Name
Monogenic hearing loss
Test Group
Audiology
Test code
R67.1
Test name
N/A
Target genes
Hearing loss (126)
Test scope
Small variants
Test method/ technology
WES or Large Panel
Optimal Family Structure
n/a
Eligibility Criteria
Likely or possible monogenic hearing loss
Hearing loss should be confirmed and bilateral
Cases of unilateral hearing loss are accepted IF there are:
(1) additional features suggesting a syndromic hearing loss diagnosis such as Waardenburg / BOR / CHARGE OR
(2) a family history of bilateral/unilateral hearing loss consistent with a monogenic cause (for example supported by audiograms).
Test code
R67.2
Test name
N/A
Target genes
Hearing loss (126)
Test scope
Exon level CNVs
Test method/ technology
MLPA or equivalent
Optimal Family Structure
n/a
Eligibility Criteria
Likely or possible monogenic hearing loss
Hearing loss should be confirmed and bilateral
Cases of unilateral hearing loss are accepted IF there are:
(1) additional features suggesting a syndromic hearing loss diagnosis such as Waardenburg / BOR / CHARGE OR
(2) a family history of bilateral/unilateral hearing loss consistent with a monogenic cause (for example supported by audiograms).
Commissioning group
Specialised
Overlapping idications
R27 Congenital malformation and dysmorphism syndromes – likely monogenic or R89 Ultra-rare and atypical monogenic disorders tests should be used in individuals with congenital malformations, dysmorphism or other complex or syndromic presentations
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