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

R321

Maternal cell contamination testing

Test Group

Core/Specialised

Specialties

Clinical Genetics Genomics Laboratory

Test code

R321.1

Test name

N/A

Target genes

Genomewide

Test scope

n/a

Test method/ technology

Identity testing

Optimal Family Structure

n/a

Eligibility Criteria

Pregnancy requiring maternal cell contamination to inform interpretation of other testing, for example invasive prenatal testing, tests on fetal tissues or tests performed on cord blood
Testing will often be initiated by the testing laboratory but relevant samples will be required in advance of testing

Commissioning group

Core/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/

Request form download

Rare Disease Order Form Record of Discussion Form

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