ARUP Test Catalog
ARUP Consult Guide
Lab Tests Online
 
Ethosuximide (Zarontin)

Mnemonic:    [ETHOSUXI]
Name:    Ethosuximide (Zarontin)
Specimen:    1 mL serum from a Red top tube. Do NOT use gel barrier tubes. EDTA plasma is also acceptable

Separate serum or plasma within 2 hours of collection. Place the sample in a labeled transport tube. Patient Preparation:
Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.

Unacceptable Conditions:
Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution).
Minimum Spec:    0.5 mL
Transport Temp:    Refrigerated
Spec Stability:    Stable 7 days refrigerated.
Ref Lab/Code:    ARUP 2010358
  Method:    Enzyme Immunoassay