Citrate Samples: Samples should be double spun and separated and frozen within 4-8 hours of sample taking, if a delay is expected with transportation to the laboratory, samples must be transported as frozen.
Light blue Vacutainer, Citrate anticoagulant, 4.5ml
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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