Test Name: Ethosuximide 
Alternate Test Names Zarontin 
PLS Test Code ETHO  Laboratory Biochemistry 
Specimen Blood  Analysis Performed On Serum 
Container Serum Separator Tube (SST)  Container colour White 
Multiple specimens  
Required Volume Adult (mL) Req Vol Paediatric (mL)
Reference Ranges 300 - 700 umol/L 
Turnaround Time Routine 2 Weeks  Turnaround Time Urgent  
Turnaround Other  
Days test is performed Daily Monday to Friday  Transport Room temperature 
Special Requirements Trough level - collect at least 6-8 hours after last dose. 
Patient Preparation None 
Collection Instructions Venepuncture. Date, time and dose of last dose must be written on Request Form. 
Clinical Information  
Sent to Reference Laboratory Yes 
Ref Laboratory Name Central Sydney Area Health Service (RPAH), Tel: Renal Lab 02 9515 7647 Biochem 02 9515 8279, 02 95, Address: Royal Prince Alfred Hospital, Missenden Road, Camperdown NSW 2050 
Estimated Patient Fee N/A 
Last Updated 07-Mar-2008 (Version: 1.02)