Laboratory Test Information Guide

Details for Levetiracetam

Test Name: Levetiracetam
Alternate Name(s): Keppra
Laboratory: Core
Specimen Type: 6 mL Red top Vacutainer tube (preferred)
Plasma is also acceptable from EDTA Lavender or Royal Blue top; Sodium Heparin green top, Sodium Citrate light blue top.
Collection Information: This test must be approved by the Biochemist on call before it is ordered.

Mininum volume of 1 mL of serum/plasma required for testing.

Collect trough specimen prior to next dose. Avoid gel separator tubes.
Requisition: GENERAL LABORATORY REQUISITION
Test Schedule: Referred out Tuesday-Thursday
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
7 days
Stat
 
 
Reference Range: Therapeutic
Drug Dosage/Trough ug/mL/Peak ug/mL
500 mg BID/3.1-10.0/10.0-25.0
1000 mg BID/4.9-37.1/30.0-40.0
1500 mg BID/7.0-34.0/36.1-70.0
Toxic range not established
Effective Date:  
Revised Date: 2018-10-19
Critical Value:  
Interpretive Comments:  
Special Processing:  
Comments:  
Method of Analysis: LC-MS/MS
Critical Information Required:  
Storage & Shipment: Sample Stability:

Room Temperature: 14 Days
Refrigerated: 28 Days
Frozen: 60 Days
Additional: Freezing recommended.
System Codes: 
Cerner
GENX
 
Referred To: In Common Laboratories
57 Gervais Drive
North York, ON
M3C 1Z2

Questions? Comments? Contact Laura Gopaul