Test Code LEVE Levetiracetam, Serum
Additional Codes
Mayo Test ID | COPIA Test Code | EPIC Test Codes | |
---|---|---|---|
LEVE | LEVE-Levetiracetam (Keppra) | LAB0252692 | LEVETIRACETAM (KEPPRA) |
Reporting Name
Levetiracetam, SUseful For
Monitoring serum concentration of levetiracetam, particularly in patients with kidney disease
Assessing compliance with levetiracetam therapy
Assessing potential toxicity of levetiracetam
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Performing Laboratory
Mayo Clinic Laboratories in RochesterSpecimen 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 |
Reject Due To
Gross hemolysis | OK |
Gross lipemia | OK |
Gross icterus | OK |
Reference Values
10.0-40.0 mcg/mL
Day(s) Performed
Monday through Sunday
CPT Code Information
80177
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
LEVE | Levetiracetam, S | 30471-7 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
83140 | Levetiracetam, S | 30471-7 |
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Report Available
Same day/1 to 2 daysForms
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)