Contact the laboratory for special stability tubes for lymphocyte subsets – or take an EDTA sample and ensure same day delivery to the laboratory, Monday to Friday noon (do not send sample between Friday noon and Monday morning).
Lavender Vacutainer, EDTA anticoagulant, 4ml/10ml(10ml EDTA tubes are used for specific PCR assays)
All citrate samples sent by post or with an overnight delay must be double spun and sent frozen.
Please send samples to:
Health Services Laboratories, The Halo Building, 1 Mabledon Place , London WC1H 9AX
Please note that sample stability times will affect the feasibility of running add-on tests – please phone the lab to discuss on 020 3946 8854.
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