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Test ID BLOD0055 Zonisamide, Serum

Reporting Name

Zonisamide, S

Useful For

Monitoring zonisamide therapy; recommended for all patients to ensure appropriate dosing


Assessing medication compliance

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum Red

Specimen Required

Container/Tube: Red top

Specimen Volume: 1 mL

Collection Instructions: Sample must be centrifuged and serum aliquoted off within 2 hours of draw.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Reference Values

10-40 mcg/mL

Day(s) and Time(s) Performed

Monday through Saturday

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
ZONI Zonisamide, S In Process


Result ID Test Result Name Result LOINC Value
83685 Zonisamide, S 29620-2

Analytic Time

Same day/1 day

Reject Due To


Mild OK; Gross OK


Mild OK; Gross OK


Mild OK; Gross OK


Serum Gel, SST


Method Name

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

Secondary ID



If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen (