Item Value
Test name Ethosuximide
Available Stat? No
Turn around times Set up 6x per week. Turnaround 3-4 days
Performed by Quest
Normal range
Therapeutic 40-100 mg/L
Potentially toxic > 150 mg/L
Container type Red top (Lavender acceptable)
Amount to Collect 2 mL blood
Collection Instructions Time to steady state: 4-7 days

Do NOT use a serum separator tube (Gold top) to collect the specimen. Indicate the time of draw on the requisition.

Optimum time for sample collection 4 hours post oral dose.
Sample type Serum (Plasma acceptable)

If you have additional questions regarding this test, please call: 415-353-1667