Ethosuximide
Test Summary
Ethosuximide is an anticonvulsant used to treat seizures. Ethosuximide levels are monitored to assure adequate therapeutic levels are achieved and to avoid toxicity.
Aliases
- Zarontin
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum collected in a red-top tube (no gel)
Minimum Volume
0.5 mL
Instructions
N/A
Patient Preparation
Collect as a trough just prior to next dose
Storage
Plastic screw-cap vial
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 5 days
- Refrigerated: 14 days
- Frozen: 35 days
Limitations
N/A
Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top) tube or sodium heparin (green-top) tube
Unacceptable Specimens
Gel barrier/Serum separator tube (SST)
Order Code
ETHSUX
EPIC (Premier) Code
LAB3325
Includes
N/A
CPT Code
- 80168
Billing Code
- 670284
CPT Statement
Methodology
Immunoassay (IA)
FDA Status
FDA Approved
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153
14225 Newbrook Drive
Chantilly VA, 20153
Department
Reference Testing
Reference Range
40-100 mg/L
Setup Schedule / Expected Turnaround Time
Monday - Saturday; Report available: Daily
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL serum collected in a red-top tube (no gel)
Minimum Volume
0.5 mL
Instructions
N/A
Patient Preparation
Collect as a trough just prior to next dose
Storage
Plastic screw-cap vial
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 5 days
- Refrigerated: 14 days
- Frozen: 35 days
Limitations
N/A
Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top) tube or sodium heparin (green-top) tube
Unacceptable Specimens
Gel barrier/Serum separator tube (SST)
Result Information
Methodology
Immunoassay (IA)
Testing Laboratory
N/A
Reference Range
40-100 mg/L
Setup Schedule / Expected Turnaround Time
Monday - Saturday; Report available: Daily