Levetiracetam Keppra, Blood (Referred Out) - Saskatoon
Discipline
Biochemistry
Overview
Description
- Time of specimen collection: pre-dose (trough) draw at steady state concentration.
- Indicate time and date of last dose and date on requisition and tube.
Test ordering requirements
Forms required
- Fill in the ‘Other tests’ location on the Acute Care Phlebotomy Requisition
Alias
- Keppra
Specimen Information
Specimen types accepted
- Serum
- Plasma
Specimen collection container
- Preferred collection container: Red top (non-gel)
- Alternative specimen: Lavender (EDTA)
- Alternative specimen: Dark green (Lithium heparin non-gel)
Required volume
- Optimal volume: 4.5 mL Full collection tube
- Minimum volume: 1 mL serum
Transport and stability
- After separation from cells: Ambient: 7 days; Refrigerated: 1 week; Frozen: 1 month
Rejection criteria
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
Performance
Methodology
- Liquid chromatography-tandem mass spectrometry (LC-MS/MS)
Days/times performed
Availability |
|
Testing site |
|
Maximum laboratory time
- 7 day turnaround time by testing laboratory
Other information
Additional comments
- Aid in optimizing drug therapy and monitoring compliance
Last Updated: December 9, 2024