Test directory: Clobazam and Metabolite

Ordering Code 8560
Test Name Clobazam and Metabolite
Alias Clobazam and Metabolite, Serum/Plasma
Frisium
Onfi
Sympazan
Urbanyl
Desmethylclobazam
Preferred Specimen Serum
Preferred Container Plain (Red)
Other Specimen/Container Plasma in EDTA, K2 (Lavender)
Optimum Volume 1 mL
Handling Instructions Separate serum promptly. Specimen is forwarded to another lab for testing; do not share with other tests
Transport Requirements Oahu: Ambient
Airline: Ambient
Specimen Stability Ambient: 14 Days
Refrigerated: 30 Days
Frozen: 60 Days
Rejection Criteria Gel barrier tube
Avail. Stat NO
Analytic Time 14 Days
Methodology High Performance Liquid Chromatography/Tandem Mass
Spectrometry (LC-MS/MS)
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of May 22, 2026.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Clobazam ALL See report.
Desmethylclobazam ALL See report.