Test Overview
Test Methodology
Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS)
Test Usage
Therapeutic drug monitoring of levetiracetam.
Reference Range *
3.0 - 60.0 mcg/mL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Set Up
Monday, Wednesday, Friday
Analytic Time
8 hours
Soft Order Code
LEVTM
MiChart Code
Levetiracetam (Keppra), Serum
Synonyms
- Keppra
Laboratory
Chemical Pathology
Section
Drug Analysis
Specimen Requirements
Collection Instructions
Collect specimen in a red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.
Alternate Specimen
EDTA and Heparinized plasma are acceptable. [9/15]
Normal Volume
2.0 mL serum
Minimum Volume
0.3 mL serum
Rejection Criteria
SST tube not acceptable.
Billing
CPT Code
80177
Fee Code
KA018
LOINC
30471-7
NY State Approved
No