glucose-6-phosphate dehydrogenase (G6PD)


glucose-6-phosphate dehydrogenase assay

Also known as


Request a test

External requests must use the Great Ormond Street red cell enzyme request form. Please also refer to any additional information provided for this test. Download the referral form >

Additional information

Please state the reason for the request. External referrals - please send a control sample from a caucasian female bled at the same time as the patient.

Sending address

Department of Haematology Camelia Botnar Laboratories Great Ormond Street Hospital Great Ormond Street WC1N 3JH

Laboratory service


Sample requirements

2ml venous or capillary blood, EDTA or heparin

Reference range

Please click on the link to view reference range View the reference range for this test >

Turnaround time

7 days


Upon request

Call in advance?

Please inform the laboratory if the test is urgent, as these can be processed rapidly using a screening test.


The Haematology Department provides a wide range of specialist tests with a special interest in the diagnosis and monitoring of coagulation disorders.

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