Levetiracetam KEPPRA

Method(s) Enzyme Immunoassay
Synonym Keppra
Specimen Required
Collect

One 3 mL plain red top tube, preferred. EDTA or heparinized plasma are also acceptable.

Transport

Separation of serum or plasma from cells within 2 hours is preferred. 1 mL serum at 2-8°C.

Remarks

Specimen Requirement: A steady state trough (pre-dose) sample is generally accepted as most consistent for therapeutic drug monitoring. Time of last dose should be noted on the requisition.

Use a consistent specimen matrix for serial monitoring of each patient.

Stability

Refrigerated: 7 days; Frozen: 4 weeks

Unacceptable Conditions

Gel separator tubes

Schedule Mon - Fri
Billing Code 1010437
CPTCode 80177
Notes Brivaracetam cross reacts substantially with this assay. Use an alternate method when both drugs are present in circulation.
Preferred Specimen Collection Device(s)
Reference Interval

5 - 30 µg/mL

No Appointment Necessary
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11 Patient Service Centers in Central New York.

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