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HelpTest ID CLOBZ Clobazam and Metabolite, Serum
Specimen Required
Collection Container/Tube: Red top (serum gel/SST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Draw blood immediately before next scheduled dose.
2. Centrifuge and aliquot serum into plastic vial within 2 hours of collection.
Additional Information: Trough specimens are recommended as therapeutic ranges are based on specimens collected at trough (ie, immediately before the next dose).
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.
Useful For
Monitoring clobazam therapy
Method Name
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
Clobazam and metabolite, SSpecimen Type
Serum RedSpecimen Minimum Volume
0.35 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Refrigerated (preferred) | 28 days |
| Ambient | 28 days | |
| Frozen | 28 days |
Reference Values
CLOBAZAM
Therapeutic Range: 30-300 ng/mL
N-DESMETHYLCLOBAZAM (NORCLOBAZAM)
Therapeutic Range: 300-3,000 ng/mL
Day(s) Performed
Monday through Thursday
Report Available
Same day/1 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
80339 (G0480 if appropriate)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| CLOBZ | Clobazam and metabolite, S | 79408-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 65483 | Clobazam | 3487-6 |
| 92363 | N-desmethylclobazam | 35107-2 |