Order or find a test

The National Genomic Test Directories specify which genomic tests are commissioned by the NHS in England, to be delivered by Genomic Laboratory Hubs.

Clinical Indication ID & Name

R54

Hereditary ataxia with onset in adulthood

Test Group

Neurology

Test code

R54.3

Test name

Hereditary ataxia - adult onset WGS (phase 1)

Target genes

Hereditary ataxia - adult onset (466) STR

Test scope

Exon level CNVs, Small variants, STRs

Test method/ technology

WGS

Optimal Family Structure

n/a

Eligibility Criteria

Unexplained ataxia with onset in adulthood including where differential diagnosis encompasses STR loci

Test code

R54.4

Test name

RFC1 STR

Target genes

RFC1 STR

Test scope

STRs

Test method/ technology

STR testing

Optimal Family Structure

n/a

Eligibility Criteria

Unexplained ataxia with onset in adulthood including where differential diagnosis encompasses STR loci
Associated Tests
Please note R54.4 (RFC1 STR) will not be included unless specifically requested

Test code

R54.5

Test name

Hereditary ataxia adult onset confirmatory STR testing

Target genes

Hereditary ataxia - adult onset (466)

Test scope

STRs

Test method/ technology

Confirmatory STR testing

Optimal Family Structure

n/a

Eligibility Criteria

Unexplained ataxia with onset in adulthood including where differential diagnosis encompasses STR loci

Commissioning group

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

gst-tr.southeastglh@nhs.net

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/

Consent record

See consent guidance in test request form

Sample requirements

Sample Requirements Each sample must be sent labelled with 3 patient identifiers and must state the sample type clearly on the sample container. Sample Rejection 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