91325 Keppra - Interpath Laboratory, Inc.

91325 Keppra

Specimen:

Collect:

One 10 mL Red Top

Also Acceptable
One 4 mL Lavender (EDTA)
One 4 mL Green Top (Na Heparin)

Submit:

2 mL (Min:0.8 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable
2 mL (Min:0.8 mL) Plasma. Submit Refrigerated. Submit in a Standard Transport Tube.

Rejection Criteria:

Use of separator tubes

Stability:

Ambient: 6 Week(s); Refrigerated: 6 Week(s); Frozen: 6 Week(s); Incubated: Unacceptable

Methodology:

High performance liquid chromatography (HPLC)

Performed:

Mon-Fri

Reported:

2-5 Day(s)

CPT Codes:

82491 - Chromatography, Column

Interpretive Data:

General Reference Range : 5-30 ug/mL
The proposed therpeutic range for seizure control is 5-30 ug/mL. Pharmacokinetics of levetiracetam are affected by renal function. The relationship between serum concentrations and toxicity is not known.