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Laboratory Medicine

Test Directory / Clozapine

Clozapine

EDTA

TestClozapine
Common AbbreviationsCLOZ
ProfileNA
Tube typeEDTA
Clinical IndicationClozapine is an atypical antipsychotic used to treat schizophrenia resistant to conventional therapy. Plasma clozapine concentrations of 0.35mg/L and above have been associated with a good response, with the risk of convulsions increasing above 1.0mg/L.
Specimen TypeBlood
Sample typeEDTA whole blood
Minimum Volume2mL
Special PrecautionsPre-dose or ‘trough’ sample
StabilityContact Referral Laboratory
Turnaround Time2 days
LaboratoryViapath King's College Hospital London SE5 9RS 0203 299 5881
Reference IntervalContact Referral Laboratory
LimitationsContact Referral Laboratory
Notes
Internal hospital signage with arrows to Main Reception, Outpatients and Pharmacy

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Maternity access at York Hospital - Saturday 22 February

On Saturday 22 February, 8am-6pm, there will be a temporary change of vehicle access to the maternity unit at York Hospital. Access via entrance 2 will be closed to allow essential works to be completed. 

If you are attending the maternity unit at York on this day, please drive in via the entrance for A&E (marked blue light priority).

The multi-storey car park will not be affected by this change, and any non-urgent visitors should continue to park in this area.