Zonisamide : 37852

Test Code
ZONISQ or 37852

CPT Codes

Plain red, lavender (EDTA), or green (no gel) (sodium heparin) tube.

Transport Container
Centrifuge plain red, lavender, or green tube and aliquot 1 mL (Min: 0.5 mL) serum or plasma into a standard transport tube.

Transport Temperature

Specimen Stability
Ambient: 24 hours; Refrigerated: 14 days; Frozen: 45 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gel barrier/Serum Separator Tube (SST).

Chromatography/Mass Spectrometry

Setup Schedule
Tuesday & Thusday & Saturday

Report Available
1-4 days (From receipt at performing laboratory)

Reference Range
Antiepileptic range: 10 - 40 mcg/mL

Clinical Significance
Zonisamide is commonly used as an adjunct together with other conventional anticonvulsants. As multiple drugs are administered, it is important to monitor its level to optimize therapeutic effects, to assure compliance, and to avoid toxicity.

Performing Laboratory
Quest Diagnostics

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.