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HelpOrderable Name LEVE Levetiracetam, Serum
Additional Codes
CNE Order Code: Keppra
Useful For
Monitoring serum concentration of levetiracetam, particularly in patients with kidney disease
Assessing compliance with levetiracetam therapy
Assessing potential toxicity of levetiracetam
Specimen Type
SerumSpecimen Required
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Draw blood immediately before next scheduled dose.
2. For sustained-release formulations only, draw blood a minimum of 12 hours after last dose.
3. Within 2 hours of collection, centrifuge, and aliquot serum into a plastic vial
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 28 days | |
| Ambient | 28 days | ||
| Frozen | 28 days |
Reference Values
10.0-40.0 mcg/mL
Day(s) Performed
Monday through Sunday
CPT Code Information
80177
Report Available
Same day/1 to 2 daysReject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Neurology Specialty Testing Client Test Request (T732)
-General Request (T239)
-Therapeutics Test Request (T831)