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Test Code KEPPRA Levetiracetam, Serum

Additional Codes

Mayo Test ID
LEVE

Reporting Name

Levetiracetam, S

Useful 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 Rochester

Specimen Type

Serum


Specimen 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
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 days