Test Overview
Test Methodology
Homogenous Enzyme Immunoassay, on Roche Cobas Pros c503
Test Usage
Therapeutic drug monitoring
Reference Range *
Therapeutic range: 350-1000 ng/mL Toxic >1500 ng/mL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Set Up
Daily, 24 hours a day
Soft Order Code
CLZPN
MiChart Code
CLZPN Clozapine
Synonyms
Laboratory
Chemical Pathology
Section
Automation
Specimen Requirements
Collection Instructions
Collect specimen in red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic container and refrigerate.
Normal Volume
1.0 mL serum
Minimum Volume
0.6 mL serum
Rejection Criteria
SST tube not acceptable.
Additional Information
It is recommended that trough samples (12 hours after the last dose) at steady state (3 days after a dose change) are collected for clozapine testing.
Billing
CPT Code
80159
Fee Code
JA064
LOINC
6896-5
NY State Approved
No