ARUP's Laboratory Test Directory
| 0098627: Keppra® (Levetiracetam) |
| Test Mnemonic: KEPPRA | |
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#ExistMethodology>
Methodology: High Performance Liquid Chromatography
*ExistMethodology> #ExistPerformed> Performed: Mon-Fri *ExistPerformed> #ExistReported> Reported: 1-4 days *ExistReported> |
| Specimen Required: | |
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#ExistCollect>
Collect: One 3 mL plain red. Also acceptable: lavender (EDTA), pink (K2EDTA), or green (sodium heparin).
*ExistCollect> #ExistTransport> Transport: 2 mL serum or plasma at 2-8°C. (Min: 0.8 mL) Submit specimen in an ARUP Standard Transport Tube. *ExistTransport> #ExistStability> Stability: After separation from cells: Ambient: 6 weeks; Refrigerated: 6 weeks; Frozen: 6 weeks *ExistStability> |
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| Reference Interval: |
| #ExistRefRange> Therapeutic range: Not well established *ExistRefRange> |
| Interpretive Data: | |
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#ExistInterpData>
The proposed therapeutic range for seizure control is 5-30 µg/mL. Pharmacokinetics of levetiracetam are affected by renal function. The relationship between serum concentrations and toxicity is not known.
*ExistInterpData> |
| CPT Code(s): | |
| 80299 |