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Test Code Epic LAB504 Zonisamide, Serum

Additional Codes

SQ code ZONMM

Mayo code ZONI

Reporting Name

Zonisamide, S

Specimen Type

Serum Red

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

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

 

Assessing medication compliance


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube: Red top (serum gel/SST is not acceptable)

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Within 2 hours of collection, centrifuge and aliquot serum into a plastic vial.


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) 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. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

80203

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ZONI Zonisamide, S 29620-2

 

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

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK
 

Method Name

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

Method Description

The serum sample is deproteinated with acetonitrile containing the deuterium labeled internal standard. The protein precipitate is centrifuged, and a portion of the supernatant is diluted with mobile phase for detection by tandem mass spectrometry.(Unpublished Mayo method)

Report Available

Same day/1 to 3 days

Secondary ID

83685

Forms

If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Neurology Specialty Testing Client Test Request (T732)

-Therapeutics Test Request (T831)