X-inactivation


Description

The X-inactivation status of females may be determined using X-linked methylation sensitive polymorphic markers. This information may be useful to explain the manifestation of X-linked recessive conditions in females or to indicate carrier status for certain X-linked disorders


Request a test

When requesting this test please use the referral form provided. Please also refer to any additional information provided for this test.


Additional information

For additional information please click on the link Download additional information >


Sending address

Great Ormond Street Hospital NE Thames Regional Genetics Service Laboratories
Great Ormond Street Hospital for Children
Barclay House
37 Queen Square
London
WC1N 3BH

Laboratory service

Genetics


Sample requirements

5 ml EDTA. Certain immunodeficiency sydromes require separated B or T cells - please see information sheet for details.


Reference range

Not applicable


Turnaround time

20 days


Cost

Upon request


Call in advance?

Not required


Genetics

The Genetics Laboratories provide an extensive range of Cytogenetics and Molecular Genetics diagnostic testing services.

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