ARUP's Laboratory Test Directory

Zonisamide : 0097908

Mnemonic: ZONI

Methodology: Quantitative EMIT Immunoassay
Performed: Mon-Fri
Reported: 1-4 days
Specimen Required: Collect: Plain red, lavender (EDTA), pink (K2 EDTA or K3EDTA), or green (sodium or lithium heparin). Also acceptable (avoid if possible): Serum separator tube or plasma separator tube (follow preparation instructions below).

Specimen Preparation: Separate serum or plasma from cells within 2 hours of collection. Transfer 2 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
SST or PST
: Serum or plasma in a gel separator tube stored at room temperature is acceptable if separated from the gel within 6 hours. Serum or plasma in a gel separator tube stored refrigerated is acceptable if separated from the gel within 2 hours.


Storage/Transport Temperature: Refrigerated

Unacceptable Conditions: Citrated plasma. Tubes that contain liquid anticoagulant.

Stability (collection to initiation of testing): After separation from cells: Ambient: 6 weeks; Refrigerated: 6 weeks; Frozen: 6 weeks
Reference Interval:
Therapeutic range not well established.
Interpretive Data: The proposed therapeutic range for seizure control is 10-40 µg/mL.  Concentrations that exceed 80 µg/mL may contribute to adverse effects.  Pharmacokinetics varies widely, particularly with co-medications and/or compromised renal function.
CPT Code(s): 80299
Cross References: Excegran (Zonisamide), Zonegran (Zonisamide)
 
 

 

 

 
All ARUP Sites:        www.aruplab.com     ·     www.arupconsult.com     ·     www.arup.utah.edu     ·     www.childx.org     ·     www.utahblood.org