Diphtheria Serology

This test is referred to another lab outside our network
This does not affect where samples are sent and where your results are issued.
Sample sent to PHE Colindale RVPBRU referral laboratory for Diphtheria serology testing. Used to determine immunity status. This may help in the investigation of defects of humoral immunity or following immunosuppression. This assay is available routinely Mon to Fri.
Clinical details: 
Diptheria is a rare condition in developed countries with successful vaccination program but remains a significant problem with high mortality in developing countries.
Reference range: 

antitoxin<0.01 IU/mL = susceptibility, 0.01-0.09 IU/mL = basic protection >or = 0.1 IU/mL = full protection

International Units/mL (IU/mL)
Sample type and Volume required: 
2.5 – 5ml Yellow Top Serum Separation Tube (SST) Clotted Blood (for serum).
Turnaround time: 
14 working days
Storage and transport: 
Place labelled sample in a sealed sample bag and send to Central Specimen Reception (CSR). To prevent sample haemolysis please store samples in refrigerator if a delay in sending samples to CSR is unavoidable.
Infection Sciences Department at St Thomas' Hospital
020 7188 8008
St Thomas' Hospital
North Wing - 5th Floor
Westminster Bridge Road
London SE1 7EH
Core opening hours: Monday-Friday 0900-1730

For clinical advice or interpretation of results, please contact the laboratory in the first instance.

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Last updated: 04/12/2017