Levetiracetam, Immunoassay
Test Summary
LEV is currently used as an anti-epileptic drug for the treatment of adult partial seizures particularly as an add-on therapy for refractory patients. It also has potential for other anxiety and cognitive disturbances.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum collected in a red-top tube (no-gel)
Minimum Volume
0.5 mL
Instructions
N/A
Patient Preparation
If Brivaracetam has been prescribed, order test code 15142 for Levetiracetam by LC/MS/MS.
Optimum time to collect sample: 0.5 to 1 hour pre-oral dose, trough at steady state (2 weeks after onset of treatment).
Optimum time to collect sample: 0.5 to 1 hour pre-oral dose, trough at steady state (2 weeks after onset of treatment).
Storage
N/A
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 7 days
- Refrigerated: 21 days
- Frozen: 30 days
Limitations
N/A
Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top) tube, EDTA (royal blue-top) tube, sodium heparin (green-top) tube
Unacceptable Specimens
Specimens collected in gel barrier tubes (SST • PST) • Unspun red-top tube (no-gel)
Order Code
KEPRA
EPIC (Premier) Code
LAB3215
Includes
N/A
CPT Code
- 80177
Billing Code
- 700000
CPT Statement
Methodology
Immunoassay (IA)
FDA Status
FDA Approved
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute Valencia
27027 Tourney Road
Valencia CA, 91355
27027 Tourney Road
Valencia CA, 91355
Reference Range
6.0-46.0 mcg/mL
Setup Schedule / Expected Turnaround Time
6 days a week. Report available 2 - 3 days.
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum collected in a red-top tube (no-gel)
Minimum Volume
0.5 mL
Instructions
N/A
Patient Preparation
If Brivaracetam has been prescribed, order test code 15142 for Levetiracetam by LC/MS/MS.
Optimum time to collect sample: 0.5 to 1 hour pre-oral dose, trough at steady state (2 weeks after onset of treatment).
Optimum time to collect sample: 0.5 to 1 hour pre-oral dose, trough at steady state (2 weeks after onset of treatment).
Storage
N/A
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 7 days
- Refrigerated: 21 days
- Frozen: 30 days
Limitations
N/A
Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top) tube, EDTA (royal blue-top) tube, sodium heparin (green-top) tube
Unacceptable Specimens
Specimens collected in gel barrier tubes (SST • PST) • Unspun red-top tube (no-gel)
Result Information
Methodology
Immunoassay (IA)
Testing Laboratory
N/A
Reference Range
6.0-46.0 mcg/mL
Setup Schedule / Expected Turnaround Time
6 days a week. Report available 2 - 3 days.