Laboratory Test Reference Guide

Laboratory Information

Test Name

Clozapine

Synonyms

Clozaril,Clopine

External Price (excl. GST)

38.57

Specimen Collection

Adult Specimen

Plain Red top tube ONLY. Do not use gel tubes for this assay.

Pre Testing Requirements

A new request form must be completed for each request of a clozapine level. The indication for testing must be provided.

Specimen Collection and Transport Protocols

Trough levels: Collect sample 12 hours after the previous dose.

Paediatric Specimen

0.2 mL

Test Information

Department

Biochemistry

Test Availability

Mon -Fri, 0830-1430

Laboratory Turnaround Time

5 Working days

Method

LC-MSMS

Unit of measurement

nmol/L

Reference interval

1050 – 1800 nmol/L

Reference interval Attachments

Uncertainty of measurement

15%

Diagnostic Use Or Instructions

Please consult the DHB document " Prescribing and monitoring clozapine treatment" for guidance on monitoring patients taking Clozapine.

Minimum Volume

0.2 mL

Electronic Information

Registration Code

CLOZP