Test Overview
Test Methodology

Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS)

Test Usage

Therapeutic drug monitoring.

Reference Range *

10 - 40 mcg/mL
Toxic: >80 mcg/mL

Test Details
Days Set Up
Monday, Wednesday, Friday
Analytic Time

8 hours

Soft Order Code
ZON
MiChart Code
Zonisamide, Serum
Synonyms
  • ZONIS
  • Zonisamide
  • Zonegran
Laboratory
Chemical Pathology
Section
Drug Analysis
Specimen Requirements
Collection Instructions

Collect specimen in a red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.

Alternate Specimen
EDTA (lavender top) plasma.
Rejection Criteria
SST tube not acceptable.
Yellow Top Tube
Red Top Tube
Normal Volume
1 mL serum
Minimum Volume
0.3 mL serum
Billing
CPT Code
80203
Fee Code
KA020
LOINC
29620-2
NY State Approved
No