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Vanderbilt Pathology Laboratory Services

Test Directory



KEPPRA (KEP)

Department: Toxicology
Test Synonym(s): KEP, Levetiracetam, Keppra
CPT Codes: 82491
Methodology: HPLC-UV
Reference Range: Therapeutic Range: 5 - 30 mcg/mL
Tube Type: Red top tube
Specimen: Plasma or serum
Pediatric Requirements: Dark Green Microtainer or Red Top (no gel)
Volume: 0.5 mL plasma/serum
Minimum Volume: 0.1 mL
Temperature: Refrigerated
Stability: Refrigerated: 7 days
Reasons for Rejection: Specimen collected in a gel tube
Days Performed: Monday - Friday
Times Performed: After 1:00 PM (specimen must be received in lab before 1:00 PM to be tested same day)
TAT: 24 hours

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