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Test Code Levetiracetam Level Levetiracetam Level

Useful For

Detection and quantitation of Levetiracetam in serum.

Patient Preparation

No special patient preparation required

Special Collection Instructions

Trough Level, for sustained preparations 12 hours after last dose.
Separate red blood cells from serum within 2 hours.

Collection Method

Venous collection

Minimum Volume

1 mL

Container

Red / Additive Free

Preferred Specimen

5 mL Red Top

Acceptable Specimens

5 mL Red Top

Reference or Target Ranges

16 – 46 ug/mL

Reportable Units

ug/mL

Critical Value

Not defined for this assay

Reasons for Rejection



<!-- Rejection-->
Hemolysis Threshold
 OK
Icterus Threshold
 OK
Lipemia Threshold
 OK
Other
 QNS, contaminated, improperly labeled, improper specimen type

Specimen Stability



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Ambient
 28 days
Refrigerated (4°C to 8°C)
 28 days
Frozen(-40°C to 0°C)
 28 days

Performance Information



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Days and Time Performed
 Monday – Friday 730 AM – 430 PM
Expected Turn Around Time
 72 hours
Stat Availability
 No
Performing Bench
 Toxicology
Methodology/Method Description
 GCMS – Solid Phase Extraction Gas Chromatography Mass Spectrometry Analysis

Additional Information/Important Notes

Therapeutic range 16-46 ug/mL.
Concentrations ≥2 ug/mL are reported.

CPT Codes

80177