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Laboratory Medicine

Test catalogue

Levetiracetam (Keppra), Serum

Test Name

Levetiracetam (Keppra), Serum

Red Tube with thin top Specimen Type / Requirements

Container Type = 1 Red Top

Minimum Volume = 2 mL Serum

Tubes must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect sample in a red top tube or plasma EDTA. Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions Separate from cells within 2 hours of collection. Store and send frozen.

Rejection Criteria: Gel seperator, unlabeled or samples of non sufficient quantity.

Stability: Stable at room temperature for 14 days, refrigerated for 28 days and Frozen for 60 days.

Transportation: Send sample to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

5 Days

Test Utilization

Reference Value

Therapeutic: 12.0 - 46.0 µg/mL

Test Code




Testing Location

Referred Out – ON, Canada (ROICL02)

Other Information

Last Updated: October 04, 2019