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CLOZ / CLZ-M
CLOZAPINE, SERUM

Test Code CLOZ / CLZ-M 
Test CLOZAPINE, SERUM 
Methodology Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS) 
Description Useful for monitoring patient compliance as well as achieving desired plasma levels. 
Specimen Draw blood in plain, red-top tube. (SERUM GEL TUBE IS NOT ACCEPTABLE.) Spin down and send 1.0 mL (minimum 0.6 mL) of serum refrigerated. 
Reference Values Clozapine:
Therapeutic range: > 350 ng/mL

Clozapine + Norclozapine:
Therapeutic range: > 450 ng/mL 

Analytic Time 3 Days 
Day(s) Test Set Up Monday through Friday 
CPT Code(s) 80159