Clinical background:
Therapeutic drug monitoring
Specimen container paediatric:
EDTA plasma
Gel tube unsuitable
Specimen container adult:
EDTA plasma
Gel tube unsuitable
Minimum volume paediatric:
0.5 mL
Minimum volume adult:
1 mL
Sample stability:
Levetiracetam is not stable in whole blood and plasma should be separated on the day of receipt and then stored in the fridge.
Reference ranges:
12 – 46 mg/L
Other Info:
Referral Laboratory: Therapeutic Drug Monitoring Unit, Chalfont Centre for Epilepsy, Chalfont St Peter, Gerrards Cross, SL9 0RJ