Glucose 6 Phosphate Dehydrogenase (G6PD) deficiency screen

G6PD deficiency is a common hereditary enzyme deficiency causing varying degrees of haemolytic anemia; can cause favism, some drug induced haemolytic anemia's, and chronic nonspherocytic haemolytic anemia. Any samples with a deficient screen will have a full G6PD assay performed.
Clinical details: 
Haemolytic anaemia, family history of G6PD deficiency
Reference range: 

Not relevant

Sample type and Volume required: 
Minimum 1 ml EDTA blood. FBC and reticulocyte count must be performed and results sent with samples. Samples with a reticulocyte count > 150 x 10 9/L or Wbc > 25 x 10 9/L will require a G6PD assay to be performed.
Turnaround time: 
5 working days
Special sample instructions: 

Blood transfusion within the last four months will affect results. Any red cell transfusion given must be declared on the request form.

Storage and transport: 
Samples can be sent first class post. Samples must be received in the laboratory within 3 days of collection. If there is a delay in sending store at 4°C
Please contact Business Development for pricing enquiries
Time limit for extra tests: 
Depends on tests required. Contact laboratory for further details.
Red Cell Centre - Protein Laboratory
020 3299 2455
c/o Central Specimen Reception
Blood Sciences Laboratory
Ground Floor Bessemer Wing
King’s College Hospital
Denmark Hill
London SE5 9RS
Mon-Fri, 9.00am-5.30pm
For clinical advice or interpretation of results, please contact the laboratory in the first instance.

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Last updated: 08/01/2020