Clonazepam (CLON)

Test Code

LAB466

Quest Code

340

Alias/See Also

CLON

CPT Codes
80299

Preferred Specimen

2 mL serum collected in a red-top tube (no gel)

Patient Preparation
Collect at trough concentration, immediately before the administration of the next dose

Minimum Volume

1 mL

Other Acceptable Specimens

Plasma collected in: EDTA (lavender-top) tube, sodium heparin (green-top) tube, or lithium heparin (green-top) tube

Instructions

Collect at trough concentration, immediately before administration of the next dose.

Transport Container

Transport tube

Transport Temperature

Frozen

Specimen Stability

Room temperature: 24 hours
Refrigerated: 72 hours
Frozen: 14 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Serum separator tube (SST)

Methodology
Chromatography/Mass Spectrometry

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Monday, wednesday, friday

Report Available

report available in 1 day

Reference Range

30-60 mcg/L

Clinical Significance

Clonazepam is a benzodiazepine used as a tranquilizer. Clonazepam is used in treating patients with seizures and in reducing tardive dyskinesia. Therapeutic drug monitoring is useful to avoid toxicity.

Performing Laboratory

Quest Diagnostics Nichols Institute-Chantilly VA

14225 Newbrook Drive

Chantilly, VA 20151-2228

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.