Imperial Collage Healthcare

Clozapine


Test Background
Clozapine (brand name Clozaril) is an atypical antipsychotic drug used to treat schizophrenia resistant to conventional antipsychotics. Clozapine is generally restricted due to its potential to induce acute agranulocytosis.


Clinical Indications
Therapeutic drug monitoring of all patients registered with the Clozaril Patient Monitoring Service.


Reference Range

See report


Sample Required
EDTA (lavender top) preferred, SST (gold top) or serum (red top) accepted


Sample Volume
1 mL pre-dose trough sample


Turnaround Time
Up to 6 weeks


Notes
Requesting restricted to mental health team only.
Not currently performed in house; this is a referred test.

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