Skip to main content

Please note that this is a beta version of our website. Should you encounter any bugs, glitches, lack of functionality or other problems on the website, please let us know immediately so we can rectify these accordingly. Your help in this regard is greatly appreciated! You can email us.

Login to North West London Pathology – consumables service

If you need a new account or you have a query about your order, please telephone the pathology call centre on 0203 313 5353.

If you have forgotten your password you can reset this yourself. Please click here if you have forgotten your password.

Results Line and Enquiries

0203 313 5353

Clozapine

Category Biochemistry
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.

Clinicial Indications

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

Reference range

See report

Sample & container 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.