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

R401

Common aneuploidy testing - prenatal

Test Group

Core

Test code

R401.1

Test name

N/A

Target genes

Genomewide

Test scope

n/a

Test method/ technology

Common aneuploidy testing

Optimal Family Structure

n/a

Eligibility Criteria

Prenatal findings requiring common aneuploidy testing including:
1. abnormal first trimester combined screening, OR
2. characteristic findings of a common aneuploidy on ultrasound scan

Commissioning group

Core

Overlapping idications

• R22 Fetus with a likely chromosomal abnormality after a second trimester loss where there are fetal anomalies and all third trimester fetal losses (IUD or stillbirth), OR • R21 Fetus with a likely genetic cause

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

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