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Test Directory » Ethosuximide

Test Directory Ethosuximide

Ethosuximide

Order Code: ETHSUX

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

Department

Reference Testing

Reference Range

40-100 mg/L

Setup Schedule / Expected Turnaround Time

Monday - Saturday; Report available: Within 1 day of set up